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Author |
Wu, M.F.; Zhou, S.; Yao, S.; Zhao, Q.; Vantomme, A.; van Daele, B.; Piscopiello, E.; Van Tendeloo, G.; Tong, Y.Z.; Yang, Z.J.; Yu, T.J.; Zhang, G.Y. |
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Title |
High precision determination of the elastic strain of InGaN/GaN multiple quantum wells |
Type |
A1 Journal article |
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Year  |
2004 |
Publication |
Journal of vacuum science and technology: B: microelectronics and nanometer structures |
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Volume |
22 |
Issue |
3 |
Pages |
920-924 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Wos |
000222481400010 |
Publication Date |
2004-07-08 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0734-211X; |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
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Times cited |
15 |
Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:54863 |
Serial |
1437 |
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Author |
Nistor, L.; Bender, H.; Vantomme, A.; Wu, M.F.; van Landuyt, J.; O'Donnell, K.P.; Martin, R.; Jacobs, K.; Moerman, I. |
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Title |
Direct evidence of spontaneous quantum dot formation in a thick InGaN epilayer |
Type |
A1 Journal article |
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Year |
2000 |
Publication |
Applied physics letters |
Abbreviated Journal |
Appl Phys Lett |
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Volume |
77 |
Issue |
4 |
Pages |
507-509 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
We report a direct observation of quantum dots formed spontaneously in a thick InGaN epilayer by high resolution transmission electron microscopy. Investigation of a (280 nm thick) In0.22Ga0.78N single layer, emitting in the blue/green spectral region, reveals quantum dots with estimated sizes in the range of 1.5-3 nm. Such sizes are in very good agreement with calculations based on the luminescence spectra of this specimen. (C) 2000 American Institute of Physics. [S0003-6951(00)00930-X]. |
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Publisher |
American Institute of Physics |
Place of Publication |
New York, N.Y. |
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Wos |
000088225400016 |
Publication Date |
2002-07-26 |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0003-6951; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.411 |
Times cited |
44 |
Open Access |
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Notes |
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Approved |
Most recent IF: 3.411; 2000 IF: 3.906 |
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Call Number |
UA @ lucian @ c:irua:103448 |
Serial |
712 |
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Author |
Vantomme, A.; Wu, M.F.; Hogg, S.; van Landuyt, J.; et al. |
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Title |
Comparative study of structural properties and photoluminescence in InGaN layers with a high In content |
Type |
A1 Journal article |
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Year |
2000 |
Publication |
Internet journal of nitride semiconductor research
T2 – Symposium on GaN and Related Alloys Held at the MRS Fall Meeting, NOV 29-DEC 03, 1999, BOSTON, MASSACHUSETTS |
Abbreviated Journal |
Mrs Internet J N S R |
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Volume |
5 |
Issue |
s:[1] |
Pages |
art. no.-W11.38 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
Rutherford backscattering and channeling spectrometry (RBS), photoluminescence (PL) spectroscopy and transmission electron microscopy (TEM) have been used to investigate macroscopic and microscopic segregation in MOCVD grown InGaN layers. The PL peak energy and In content (measured by RES) were mapped at a large number of distinct points on the samples. An indium concentration of 40%, the highest measured in this work, corresponds to a PL peak of 710 nn strongly suggesting that the light-emitting regions of the sample me very indium-rich compared to the average measured by RES. Cross-sectional TEM observations show distinctive layering of the InGaN films. The TEM study further reveals that these layers consist of amorphous pyramidal contrast features with sizes of order 10 nm The composition of these specific contrast features is shown to be In-rich compared to the nitride matrix. |
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Publisher |
Materials research society |
Place of Publication |
Warrendale |
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Wos |
000090103600097 |
Publication Date |
0000-00-00 |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1092-5783 |
ISBN |
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Additional Links |
UA library record; WoS full record; |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:103471 |
Serial |
423 |
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