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Author |
Verberck, B.; Nikolaev, A.V.; Michel, K.H. |
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Title |
Theoretical model for the structural phase transition at the metal-insulator transition in polymerized KC60 |
Type |
A1 Journal article |
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Year  |
2002 |
Publication |
Physical Review B |
Abbreviated Journal |
Phys Rev B |
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Volume |
66 |
Issue |
16 |
Pages |
165425-165425,14 |
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Keywords |
A1 Journal article; Condensed Matter Theory (CMT) |
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Abstract |
The recently discovered structural transition in polymerized KC60 at about 50 K results in a doubling of the unit cell volume and accompanies the metal-insulator transition. Here we show that the ((a) over right arrow+(c) over right arrow,(b) over right arrow,(a) over right arrow-(c) over right arrow) superstructure results from small orientational charge density waves along the polymer chains and concomitant displacements of the surrounding K+ ions. The effect is specific for the space group Pmnn of KC60 and is absent in RbC60 and CsC60 (space group I2/m). The mechanism is relevant for the metal-insulator transition. |
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Wos |
000179286400135 |
Publication Date |
2002-10-30 |
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ISSN |
0163-1829;1095-3795; |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.836 |
Times cited |
10 |
Open Access |
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Notes |
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Approved |
Most recent IF: 3.836; 2002 IF: NA |
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Call Number |
UA @ lucian @ c:irua:94907 |
Serial |
3608 |
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| Permanent link to this record |
