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Author Van Tendeloo, G.; Krekels, T.; Amelinckx, S.; Hervieu, M.; Raveau, B.; Greaves, C.
  Title Atomic resolution of interfaces in ceramic-superconductors Type P3 Proceeding
  Year 1995 Publication Abbreviated Journal
  Volume (up) Issue Pages 35-38
  Keywords P3 Proceeding; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Peking University Press Place of Publication Beijing Editor
  Language Wos Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:13318 Serial 180
Permanent link to this record
 
 
Author Van Tendeloo, G.; De Meulenaere, P.; Hervieu, M.; Letouze, F.; Martin, C.
  Title Cation ordering in Tl- and Hg-based superconducting materials Type P3 Proceeding
  Year 1996 Publication Abbreviated Journal
  Volume (up) Issue Pages
  Keywords P3 Proceeding; Engineering sciences. Technology; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved MATERIALS SCIENCE, MULTIDISCIPLINARY 96/271 Q2 #
  Call Number UA @ lucian @ c:irua:110169 Serial 298
Permanent link to this record
 
 
Author Hervieu, M.; Martin, C.; Van Tendeloo, G.; Mercey, B.; Maignan, A.; Jirak, Z.; Raveau, B.
  Title Charge ordering and phase transitions in perovskite manganites: correlation with CMR properties Type H3 Book chapter
  Year 2000 Publication Abbreviated Journal
  Volume (up) Issue Pages 179-182
  Keywords H3 Book chapter; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication s.l. Editor
  Language Wos Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:54728 Serial 336
Permanent link to this record
 
 
Author Raveau, B.; Hervieu, M.; Michel, C.; Martin, C.; Maignan, A.; Van Tendeloo, G.
  Title Crystal chemistry of mercury based layered cuprates and oxycarbonates Type H3 Book chapter
  Year 1995 Publication Abbreviated Journal
  Volume (up) Issue Pages 132-149
  Keywords H3 Book chapter; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Narosa Place of Publication New Delhi Editor
  Language Wos Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:13313 Serial 552
Permanent link to this record
 
 
Author Van Tendeloo, G.; Hervieu, M.; Chaillout, C.
  Title Defect structure of Hg-based ceramic superconductors (invited) Type P1 Proceeding
  Year 1994 Publication Sciences Abbreviated Journal
  Volume (up) Issue Pages 949-952
  Keywords P1 Proceeding; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Editions physique Place of Publication Les ulis Editor
  Language Wos A1994BE09Y00462 Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 2-86883-226-1 ISBN Additional Links UA library record; WoS full record;
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:95940 Serial 621
Permanent link to this record
 
 
Author Van Tendeloo, G.; Richard, O.; Schuddinck, W.; Hervieu, M.
  Title Fine structure of CMR perovskites by HREM and CBEM Type A1 Journal article
  Year 1998 Publication Electron microscopy: vol. 1 Abbreviated Journal
  Volume (up) Issue Pages 383-384
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos 000077017600178 Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record; WoS full record;
  Impact Factor Times cited Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:25674 Serial 1194
Permanent link to this record
 
 
Author Schuddinck, W.; Van Tendeloo, G.; Martin, C.; Hervieu, M.; Raveau, B.
  Title Influence of oxygen content on the charge-ordering process in La0.5Ca0.5MnO3 Type H3 Book chapter
  Year 2000 Publication Abbreviated Journal
  Volume (up) Issue Pages 199-200
  Keywords H3 Book chapter; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication s.l. Editor
  Language Wos Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:54727 Serial 1631
Permanent link to this record
 
 
Author Floros, N.; Hervieu, M.; Van Tendeloo, G.; Michel, C.; Maignan, A.; Raveau, B.
  Title The layered manganate Sr4-xBaxMn3O10: synthesis, structural and magnetic properties Type A1 Journal article
  Year 2000 Publication Solid state sciences Abbreviated Journal Solid State Sci
  Volume (up) 2 Issue 1 Pages 1-9
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Amsterdam Editor
  Language Wos 000087149500001 Publication Date 2002-07-25
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1293-2558; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.811 Times cited 29 Open Access
  Notes Approved Most recent IF: 1.811; 2000 IF: 0.625
  Call Number UA @ lucian @ c:irua:54695 Serial 1805
Permanent link to this record
 
 
Author Hervieu, M.; Michel, C.; Martin, C.; Huvé, M.; Van Tendeloo, G.; Maignan, A.; Pelloquin, D.; Goutenoire, F.; Raveau, B.
  Title Mécanismes de la non-stoechiométrie dans les nouveaux supraconducteurs à haute Tc Type A1 Journal article
  Year 1994 Publication Journal de physique: 3: applied physics, materials science, fluids, plasma and instrumentation Abbreviated Journal
  Volume (up) 4 Issue Pages 2057-2067
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Les Ulis Editor
  Language Wos A1994PT17900002 Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1155-4320 ISBN Additional Links UA library record; WoS full record;
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:10041 Serial 1973
Permanent link to this record
 
 
Author Raveau, B.; Michel, C.; Hervieu, M.; Van Tendeloo, G.; Martin, C.; Maignan, A.
  Title Copper oxycarbonates and mercury-based cuprates: promising high Tc superconductors Type A1 Journal article
  Year 1994 Publication Journal of superconductivity Abbreviated Journal
  Volume (up) 7 Issue Pages 9-18
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication New York, N.Y. Editor
  Language Wos A1994NH48800002 Publication Date 2004-12-02
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0896-1107;1572-9605; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor Times cited 6 Open Access
  Notes Approved COMPUTER SCIENCE, INTERDISCIPLINARY 11/104 Q1 # PHYSICS, MATHEMATICAL 1/53 Q1 #
  Call Number UA @ lucian @ c:irua:10042 Serial 516
Permanent link to this record
 
 
Author Hervieu; Van Tendeloo, G.; Michel; Pelloquin; Raveau
  Title Mixed layers in copper based superconducting materials Type A1 Journal article
  Year 1996 Publication Microscopy, microanalysis, microstructures Abbreviated Journal
  Volume (up) 7 Issue 2 Pages 107-141
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract Recently discovered series of high Tc superconductors, characterized by the existence of two types of cations within the same layer, are presented. The first family concerns the mercury based cuprates, Hg(1-x)M(x)A(2)Ca(m-1)Cu(m)O(2m+2+delta), with A = Ba and/or Sr, which exhibit structures closely related to that of the thallium cuprates TlBa2Cam-1CumO2m+3. They differ from the thallium cuprates by a high oxygen deficiency at the level of the mercury layer. It is shown that cations such as M = Cu, Pb, Tl, Bi, Ce, Pr, Cr, V, Mo, W, Ti, Sr, Ca,... can partially substitute for mercury ions, stabilizing the structures. The cationic composition of the layer depends indeed on the nature of the M cation but also on that of the alkaline earth A. For given A and M cations, the a: value remains unchanged even when the number of copper layers varies. M and Hg cations are either statistically distributed over the same site or ordered. Different types of ordering have been detected. Another way of generating mixed layers is to shear periodically the structure, leading to the formation of the so called ''collapsed phase''. In the collapsed bismuth cuprates, bismuth and copper segments, a few octahedra long, alternate in strongly waving layers. In the collapsed oxycarbonates, carbonate groups and M cations are ordered within the intermediate layer so that they can be simply described from a partial and ordered substitution of carbon for Hg,TI, Bi and other M cations building the intermediate layer. The oxycarbonitrates (Y1-xCax)(n)Ba2nCu3n-1(C,N)O3O7n-3 can also be described as an ordered substitution of carbon for copper in the 123 matrix. The different families of superconducting materials which are generated by such mechanisms are described as well as the way the different species are distributed within the mixed layers. Their influence on the physical properties are discussed.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Ivry Editor
  Language Wos A1996VA22000004 Publication Date 2003-08-13
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1154-2799; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor Times cited 2 Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:95287 Serial 2088
Permanent link to this record
 
 
Author Maignan, A.; Martin, C.; Van Tendeloo, G.; Hervieu, M.; Raveau, B.
  Title Ferromagnetism and magnetoresistance in monolayered manganites Ca2-xLnxMnO4 Type A1 Journal article
  Year 1998 Publication Journal of materials chemistry Abbreviated Journal J Mater Chem
  Volume (up) 8 Issue 11 Pages 2411-2416
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Cambridge Editor
  Language Wos 000076974900019 Publication Date 2002-07-26
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0959-9428;1364-5501; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor Times cited 30 Open Access
  Notes Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:25684 Serial 1182
Permanent link to this record
 
 
Author Barnabé, A.; Millange, F.; Maignan, A.; Hervieu, M.; Raveau, B.; Van Tendeloo, G.; Laffez, P.
  Title Barium-based manganites Ln1-xBaxMnO3 with Ln = {Pr, La}: phase transitions and magnetoresistance properties Type A1 Journal article
  Year 1998 Publication Chem. mater. Abbreviated Journal Chem Mater
  Volume (up) 10 Issue Pages 252-259
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos 000071624400037 Publication Date 2002-07-26
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 9.466 Times cited 48 Open Access
  Notes Approved Most recent IF: 9.466; 1998 IF: 3.359
  Call Number UA @ lucian @ c:irua:25689 Serial 220
Permanent link to this record
 
 
Author Hervieu, M.; Martin, C.; Maignan, A.; Van Tendeloo, G.; Raveau, B.
  Title Charge ordering-disordering in Th-doped CaMnO3 Type A1 Journal article
  Year 1999 Publication European physical journal : B : condensed matter and complex systems Abbreviated Journal Eur Phys J B
  Volume (up) 10 Issue Pages 397-408
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Berlin Editor
  Language Wos 000082579200001 Publication Date 2002-08-25
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1434-6028; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.461 Times cited 6 Open Access
  Notes Approved Most recent IF: 1.461; 1999 IF: 1.705
  Call Number UA @ lucian @ c:irua:29718 Serial 337
Permanent link to this record
 
 
Author Lepoittevin, C.; Malo, S.; Van Tendeloo, G.; Hervieu, M.
  Title Synthesis and structural mechanisms of the 2201-type ferrites and polytypes: Fe2(Sr2-xAx)FeO6.5-\delta/2 (A = Ba, La, Tl, Pb and Bi) Type A1 Journal article
  Year 2009 Publication Solid state sciences Abbreviated Journal Solid State Sci
  Volume (up) 11 Issue 3 Pages 595-607
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract The Fe2(Sr2 − xAx)FeO6.5 − ä/2 systems have been investigated, by doping the iron rich 2201-type parent structure with Ba2+, La3+ and 5d10 post-transition cations. The syntheses have been carried out up to the limit of the 2201-type solid solutions, in order to test the role of the double iron layer Fe2O2.5 − ä/2. The localisation of the charge carriers in these compounds is consistent with their strong antiferro-magnetism. The investigation was then carried out in the transition part of the diagram up to the formation of stable phases. The study of structural mechanisms was carried using high resolution electron microscopy (transmission and scanning transmission), electron diffraction and energy dispersive spectroscopy. Different non-stoichiometry mechanisms are observed, depending on the electronic structure and chemical properties of the doping elements. The specific behavior of the modulated double iron layer is discussed.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Amsterdam Editor
  Language Wos 000264644800001 Publication Date 2008-12-26
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1293-2558; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.811 Times cited 3 Open Access
  Notes Esteem 026019 Approved Most recent IF: 1.811; 2009 IF: 1.675
  Call Number UA @ lucian @ c:irua:76416 Serial 3437
Permanent link to this record
 
 
Author Hervieu, M.; Martin, C.; Maignan, A.; Van Tendeloo, G.; Jirak, Z.; Hejtmanek, J.; Barnabe, A.; Thopart, D.; Raveau, B.
  Title Structural and magnetotransport transitions in the electron-doped Pr1-xSrxMnO3(0.85\leq x\leq1) manganites Type A1 Journal article
  Year 2000 Publication Chemistry and materials Abbreviated Journal Chem Mater
  Volume (up) 12 Issue 5 Pages 1456-1462
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract The exploration of the Mn4+-rich side of the Pr1-xSrxMnO3 system has allowed the extension of the domain of the cubic perovskite, by using a two-step process, combining synthesis under Ar flow at high temperature and O-2 pressure annealing at lower temperature. We show that these Pr-doped cubic perovskites exhibit a coupled structural (cubic-tetragonal) and magnetic (para-antiferro) transition connected with a resistivity jump at the same temperature. The strong interplay between lattice, charges, and spins for these oxides results from the appearance at low temperature of the distorted C-type antiferromagnetic structure. The Pr1-xSrxMnO3 magnetic phase diagram shows, for 0.9 less than or equal to x less than or equal to 1 (i.e., on the Mn4+-rich side), the existence at low temperature of C- and G-type antiferromagnetism. The absence of ferromagnetic-antiferromagnetic competition explains that magnetoresistante properties are not observed in this system, in contrast to Mn4+-rich Ln(1-x)Ca(x)MnO(3) systems.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Washington, D.C. Editor
  Language Wos 000087136800039 Publication Date 2002-07-26
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 9.466 Times cited 24 Open Access
  Notes Approved Most recent IF: 9.466; 2000 IF: 3.580
  Call Number UA @ lucian @ c:irua:103454 Serial 3198
Permanent link to this record
 
 
Author Van Tendeloo, G.; Hervieu, M.; Chaillout, C.
  Title Defect structure of Hg-based ceramic superconductors Type A3 Journal article
  Year 1994 Publication Icem Abbreviated Journal
  Volume (up) 13 Issue Pages 949-952
  Keywords A3 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:10050 Serial 620
Permanent link to this record
 
 
Author Domengès, B.; Caldes, M.T.; Hervieu, M.; Van Tendeloo, G.; Raveau, B.
  Title HREM characterization of substituted orthorhombic and monoclinic tubular phases Type A3 Journal article
  Year 1994 Publication Icem Abbreviated Journal
  Volume (up) 13 Issue Pages 963-964
  Keywords A3 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Editor
  Language Wos Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN ISBN Additional Links UA library record
  Impact Factor Times cited Open Access
  Notes Approved no
  Call Number UA @ lucian @ c:irua:10055 Serial 1498
Permanent link to this record
 
 
Author Pelloquin, D.; Hadermann, J.; Giot, M.; Caignaert, V.; Michel, C.; Hervieu, M.; Raveau, B.
  Title Novel, oxygen-deficient n=3 RP-member Sr3NdFe3O9-\delta and its topotactic derivatives Type A1 Journal article
  Year 2004 Publication Chemistry of materials Abbreviated Journal Chem Mater
  Volume (up) 16 Issue Pages 1715-1724
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Washington, D.C. Editor
  Language Wos 000221345000019 Publication Date 2004-04-27
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 9.466 Times cited 24 Open Access
  Notes Approved Most recent IF: 9.466; 2004 IF: 4.103
  Call Number UA @ lucian @ c:irua:47318 Serial 2381
Permanent link to this record
 
 
Author Hadermann, J.; Pérez, O.; Créon, N.; Michel, C.; Hervieu, M.
  Title The (3 + 2)D structure of oxygen deficient LaSrCuO3.52 Type A1 Journal article
  Year 2007 Publication Journal of materials chemistry Abbreviated Journal J Mater Chem
  Volume (up) 17 Issue 22 Pages 2344-2350
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Cambridge Editor
  Language Wos 000247349400020 Publication Date 2007-04-18
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0959-9428;1364-5501; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor Times cited 7 Open Access
  Notes Supergmr:Hprn-Ct-2000-0021 Approved Most recent IF: NA
  Call Number UA @ lucian @ c:irua:64749 c:irua:64749 Serial 13
Permanent link to this record
 
 
Author Hadermann, J.; Abakumov, A.M.; Gillie, L.J.; Martin, C.; Hervieu, M.
  Title Coupled cation and charge ordering in the CaMn306 tunnel structure Type A1 Journal article
  Year 2006 Publication Chemistry of materials Abbreviated Journal Chem Mater
  Volume (up) 18 Issue 23 Pages 5530-5536
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Washington, D.C. Editor
  Language Wos 000241808600021 Publication Date 2006-10-15
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 9.466 Times cited 33 Open Access
  Notes Iap V-1 Approved Most recent IF: 9.466; 2006 IF: 5.104
  Call Number UA @ lucian @ c:irua:61374 Serial 534
Permanent link to this record
 
 
Author Créon, N.; Pérez, O.; Hadermann, J.; Klein, Y.; Hébert, S.; Hervieu, M.; Raveau, B.
  Title Double modulation and microstructure of the thermoelectric misfit compound \left[Ca2-yLnyCu0.7+yCo1.3-yO4\right]\left[CoO2\right]b_{1/b2} (Ln = Pr, Y and 0\leq y\leq1/3) Type A1 Journal article
  Year 2006 Publication Chemistry of materials Abbreviated Journal Chem Mater
  Volume (up) 18 Issue 22 Pages 5355-5362
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication Washington, D.C. Editor
  Language Wos 000241492900033 Publication Date 2006-10-10
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 9.466 Times cited 6 Open Access
  Notes Approved Most recent IF: 9.466; 2006 IF: 5.104
  Call Number UA @ lucian @ c:irua:61846 Serial 755
Permanent link to this record
 
 
Author Raveau, B.; Michel, C.; Hervieu, M.; Van Tendeloo, G.; Maignan, A.
  Title Stabilization of mercury-based superconductors by foreign cations Type A1 Journal article
  Year 1994 Publication Annales de chimie (1914) T2 – 4th North-African Materials Science Symposium (JMSM 94), NOV 23-24, 1994, CASABLANCA, MOROCCO Abbreviated Journal 4th North-African Materials Science Symposium (JMSM 94), NOV 23-24, 1994, CASABLANCA, MOROCCO
  Volume (up) 19 Issue 7-8 Pages 487-492
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract The recently discovered superconducting mercury-based cuprates HgBa2Can-1CunO2n+2+delta have proved difficult to synthesize as single phases and are sensitive to environment (CO2, moisture). The present paper gives an overview of new series mercury based superconductors, whose stabilisation is based on the fact that a foreign cation with a higher valency than Hg(II) must be introduced in the mercury layers, in order to fill up partially the oxygen vacancies of these layers. By this method, several new series of superconductors involving strontium instead of barium with critical temperatures ranging from 27 K to 95 K have been isolated : Hg0.5Bi0.5Sr2-xLaxCuO4+delta, Hg(0.5)Bi(0.5)Sr(2)Ca(1-x)R(x)Cu(2)O(6+delta) (R Y, Nd, Pr), Pb0.7Hg0.3Sr2-xLaxCuO4+delta, Pb(0.7)Hg(0.3)Sr(2)Ca(1-x)R(x)Cu(2)O(6+delta) (R = Y, Nd) Hg(1-x)Pr(x)Sr(2)A(1-x')Pr(x') Cu2O6+delta (A = Sr, Ca), Pb0.7Hg0.3Sr2Cu2CO3O7 and Hg1-xCrxSr2CuO4+delta. The behaviour of the praseodymium cuprates that exhibit a rather sharp transition and reach a Tc of 85 K is especially discussed. A method to synthesize new ''Ba-Hg'' superconducting cuprates with the 1212 structure at normal pressure with a Tc up to 110 K is also presented.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Paris Editor
  Language Wos A1994RC75300027 Publication Date 0000-00-00
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0151-9107 ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor Times cited 2 Open Access
  Notes Approved PHYSICS, APPLIED 28/145 Q1 #
  Call Number UA @ lucian @ c:irua:104472 Serial 3137
Permanent link to this record
 
 
Author Lepoittevin, C.; Malo, S.; Nguyen, N.; Hebert, S.; Van Tendeloo, G.; Hervieu, M.
  Title A layered iron-rich 2234-type with a mixed valence of iron: the ferrimagnetic Tl-doped Fe2(Sr2-\varepsilonTl\varepsilon)Sr3Fe4O14.65 Type A1 Journal article
  Year 2008 Publication Chemistry of materials Abbreviated Journal Chem Mater
  Volume (up) 20 Issue 20 Pages 6468-6476
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract A new Tl-doped strontium ferrite Fe2(Sr2-Tl)Sr3Fe4O14.65, with an original structure, has been synthesized and structurally characterized by powder X-ray diffraction and transmission electron microscopy. The TGA and Mssbauer studies evidence a mixed valence of iron. The structure exhibits a commensurate modulation, with a F-type subcell a ≈ b ≈ 5.4 Å (≈ ap√2), c ≈ 42 Å with a modulation vector q = αa* with α = 0.4. The supercell parameters have been refined as a= 27.1101(8) Å, b= 5.5187(2) Å and c= 42.0513(9) Å, in the space group Fmmm. The electron diffraction and electron microscopy data of this novel ferrite show that it can be described as a FeTl-2234-type structure corresponding to the intergrowth of a quadruple perovskite slice [(SrFeO2.8)4], with a complex rock salt related slice [Fe2(Sr2-Tl)O3.4]∞, built up of one double iron layer [Fe2O2.4] sandwiched between two [SrO] layers. The HRTEM images show that the oxygen atoms and vacancies are randomly distributed in the perovskite layers while the HAADF STEM images evidence the absence of Tl segregation in the matrix. Fe2(Sr2-Tl)Sr3Fe4O14.65 exhibits a very large value of χ (11emu/mol) at 5 K, which remains large at 400 K; the M(H) loop presents a shape characteristic of ferrimagnetism, with a large coercive field of 0.3 T. The value of magnetization saturates at 400 K at 0.68 μB/Fe. At 10 K, the value of magnetization reaches a maximum of 2 μB/Fe. The resistivity presents a semiconducting-like behavior, with ρ 800 Ω·cm at 300 K.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Washington, D.C. Editor
  Language Wos 000260254400030 Publication Date 2008-09-25
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 9.466 Times cited 8 Open Access
  Notes Approved Most recent IF: 9.466; 2008 IF: 5.046
  Call Number UA @ lucian @ c:irua:76671 Serial 1804
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Author Gillie, L.J.; Hadermann, J.; Hervieu, M.; Maignan, A.; Martin, C.
  Title Oxygen vacancy ordering in the double-layered Ruddlesden-Popper cobaltite Sm2BaCo2O7-\delta Type A1 Journal article
  Year 2008 Publication Chemistry of materials Abbreviated Journal Chem Mater
  Volume (up) 20 Issue 19 Pages 6231-6237
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract A new oxygen-deficient Ruddlesden−Popper (RP) cobaltite Sm2BaCo2O7−δ (δ ≈ 1.0) has been synthesized and the crystal structure elucidated by Rietveld analysis of X-ray powder diffraction (XRD) data and transmission electron microscopy (TEM). The phase crystallizes in a primitive orthorhombic unit cell, with lattice parameters a = 5.4371(4) Å; b = 5.4405(4) Å and c = 19.8629(6) Å, and space group Pnnm. Contrary to other oxygen-deficient cobalt RP phases, the oxygen vacancies are located in the equatorial positions of the [CoO] layers to give an intralayer structure similar to Sr2Mn2O5, which is not usually observed for cobalt-containing materials. The Sm3+ and Ba2+ cations show a strong preference for distinct sites, with the majority of the larger Ba2+ cations situated in the perovskite block layers and Sm3+ cations predominantly in the rock salt layers. Magnetic susceptibility data demonstrate the strong antiferromagnetic (AFM) character of Sm2BaCo2O7−δ.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Washington, D.C. Editor
  Language Wos 000259871500038 Publication Date 2008-09-13
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 9.466 Times cited 7 Open Access
  Notes Approved Most recent IF: 9.466; 2008 IF: 5.046
  Call Number UA @ lucian @ c:irua:72946 Serial 2548
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Author Malo, S.; Lepoittevin, C.; Pérez, O.; Hébert, S.; Van Tendeloo, G.; Hervieu, M.
  Title Incommensurate crystallographic shear structures and magnetic properties of the cation deficient perovskite (Sr0.61Pb0.18)(Fe0.75Mn0.25)O2.29 Type A1 Journal article
  Year 2010 Publication Chemistry of materials Abbreviated Journal Chem Mater
  Volume (up) 22 Issue 5 Pages 1788-1797
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract The origin of the incommensurability in the crystallographic shear (CS) structure of the ferri-Manganite (Sr0.61Pb0.18)(Fe0.75Mn0.25)O2.29, related to the cation deficient perovskite, has been determined by careful analysis of the boundaries between the two variants constituting the phasoid. High Resolution Electron Microscopy/HAADF-STEM images allow the structural mechanisms to be understood through the presence of structural units common to both phases, responsible of the incommensurate character observed in the electron diffraction patterns. The structural analysis allows for identifying different types of CS phases in the Pb−Sr−Fe(Mn)−O diagram and shows that the stabilization of the six-sided tunnels requires a higher A/B cationic ratio. A description of these phases is proposed through simple structural building units (SBU), based on chains of octahedra bordered by two pyramids. The (Sr0.61Pb0.18)(Fe0.75Mn0.25)O2.29 CS compound exhibits a strong antiferromagnetic and insulating behavior, similar to the Fe-2201 and terrace ferrites but differs by the presence of a hysteresis, with a small coercive field.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Washington, D.C. Editor
  Language Wos 000274929000025 Publication Date 2010-01-19
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0897-4756;1520-5002; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 9.466 Times cited 6 Open Access
  Notes Esteem 026019 Approved Most recent IF: 9.466; 2010 IF: 6.400
  Call Number UA @ lucian @ c:irua:81800 Serial 1593
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Author Hervieu, M.; Damay, F.; Poienar, M.; Elkaim, E.; Rouquette, J.; Abakumov, A.M.; Van Tendeloo, G.; Maignan, A.; Martin, C.
  Title Nanostructures in LuFe2O4+\delta Type A1 Journal article
  Year 2013 Publication Solid state sciences Abbreviated Journal Solid State Sci
  Volume (up) 23 Issue Pages 26-34
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract A LuFe2O4+delta sample, previously characterized by X-ray synchrotron and neutron diffraction, has been studied by electron microscopy techniques, in order to get a precise description of its micro- and nanostructures at room temperature. The X-ray synchrotron data vs. temperature show that the monoclinic distortion is associated with the charge ordering; this distortion results in elongated twinning domains, which enhance the complexity of the microstructural state at room temperature. The structural modulation associated with oxygen excess is observed in large domains inside a non modulated matrix, in contrast with the modulations associated with the charge ordering of the Fe2+ and Fe3+ species, which are mostly short-range. The investigation of the nature and density of defects in the sample shows that they are nano-scaled, preserving the regularity of the layer stacking mode, and limited to the formation of one- or two-units large stacking faults, associated with gliding mechanisms. Based on these observations, an original description of the LuFe2O4 ferrite structure, through puckered [LuO4](infinity) sandwiching [Fe-2](infinity) layers, is proposed. (C) 2013 Elsevier Masson SAS. All rights reserved.
  Address
  Corporate Author Thesis
  Publisher Place of Publication Amsterdam Editor
  Language Wos 000324156200005 Publication Date 2013-06-13
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1293-2558; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.811 Times cited 7 Open Access
  Notes Approved Most recent IF: 1.811; 2013 IF: 1.679
  Call Number UA @ lucian @ c:irua:111196 Serial 2276
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Author Van Tendeloo, G.; Krekels, T.; Amelinckx, S.; Babu, T.G.N.; Greaves, C.; Hervieu, M.; Michel, C.; Raveau, B.
  Title Structural investigations of recently discovered high Tc superconductors Type A1 Journal article
  Year 1995 Publication Microscopy research and technique Abbreviated Journal Microsc Res Techniq
  Volume (up) 30 Issue Pages 102-122
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication New York, N.Y. Editor
  Language Wos A1995QH52800002 Publication Date 2005-02-23
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 1059-910X;1097-0029; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 1.154 Times cited 4 Open Access
  Notes Approved MATERIALS SCIENCE, MULTIDISCIPLINARY 135/271 Q2 # PHYSICS, APPLIED 70/145 Q2 # PHYSICS, CONDENSED MATTER 40/67 Q3 #
  Call Number UA @ lucian @ c:irua:13307 Serial 3241
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Author Laffez, P.; Van Tendeloo, G.; Millange, F.; Caignaert, V.; Hervieu, M.; Raveau, B.
  Title Structural phase transition at low temperature, corresponding to charge ordering in the CMR perovskites LN0.5A0.5MNO3 Type A1 Journal article
  Year 1996 Publication Materials research bulletin Abbreviated Journal Mater Res Bull
  Volume (up) 31 Issue 8 Pages 905-911
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract The magneto resistive perovskites Nd0.5Sr0.5MnO3 and Pr0.5Sr0.41Ca0.09MnO3 undergo a transition from anti ferromagnetic insulator to ferromagnetic metal as function of temperature. The room temperature phase is orthorhombic with the space group Imma and the cell parameters a approximate to root 2a(p), b approximate to 2a(p), and c approximate to root 2a(p). A structural phase transition related to charge ordering accompanying the transition from ferromagnetic state to antiferromagnetic state has been evidenced by low temperature electron diffraction. This transition is reversible and a new superstructure, with a P-type orthorhombic cell. and lattice parameters parameters a approximate to 2 root 2a(p), b approximate to 2a(p), and c approximate to root 2a(p), is formed.
  Address
  Corporate Author Thesis
  Publisher Place of Publication New York, N.Y. Editor
  Language Wos A1996UZ37300002 Publication Date 2002-07-25
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0025-5408; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.288 Times cited 25 Open Access
  Notes Approved
  Call Number UA @ lucian @ c:irua:99650 Serial 3246
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Author Schuddinck, W.; Van Tendeloo, G.; Hervieu, M.; Floros, N.; Raveau, B.
  Title Structure of the hexagonal 16l perovskites Ba4Ca0.9Mn3.1O11.3 and Ba4Ca0.5Mn3Cu0.5O12-\delta by high-resolution electron microscopy Type A1 Journal article
  Year 2001 Publication Materials research bulletin Abbreviated Journal Mater Res Bull
  Volume (up) 36 Issue 15 Pages 2689-2700
  Keywords A1 Journal article; Electron microscopy for materials research (EMAT)
  Abstract
  Address
  Corporate Author Thesis
  Publisher Place of Publication New York, N.Y. Editor
  Language Wos 000172705000014 Publication Date 2002-07-25
  Series Editor Series Title Abbreviated Series Title
  Series Volume Series Issue Edition
  ISSN 0025-5408; ISBN Additional Links UA library record; WoS full record; WoS citing articles
  Impact Factor 2.446 Times cited 4 Open Access
  Notes Approved Most recent IF: 2.446; 2001 IF: 0.715
  Call Number UA @ lucian @ c:irua:54837 Serial 3314
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