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Titolo:
CRYSTAL-STRUCTURE OF ZNTE III AT 16 GPA
Autore:
NELMES RJ; MCMAHON MI; WRIGHT NG; ALLAN DR;
Indirizzi:
UNIV EDINBURGH,DEPT PHYS & ASTRON,MAYFIELD RD EDINBURGH EH1 1HN SCOTLAND
Titolo Testata:
Physical review letters
fascicolo: 13, volume: 73, anno: 1994,
pagine: 1805 - 1808
SICI:
0031-9007(1994)73:13<1805:COZIA1>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
X-RAY-DIFFRACTION; HIGH-PRESSURE; POWDER-DIFFRACTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
R.J. Nelmes et al., "CRYSTAL-STRUCTURE OF ZNTE III AT 16 GPA", Physical review letters, 73(13), 1994, pp. 1805-1808

Abstract

The long-uncertain crystal structure of ZnTe phase III, stable above 11 GPa, has been determined at 16 GPa using angle-dispersive powder-diffraction techniques with an image-plate area-detector and synchrotronradiation. The structure is orthorhombic, space group Cmcm, and is site ordered. This is a new high-pressure structure, which can be derived by distortion of the rocksalt structure. But the coordination is quite different from NaCl: There are only five nearest neighbors (all unlike) around each atom at similar to 2.7 Angstrom and then three next-nearest-neighbors (of which two are like atoms) at 3.0-3.4 Angstrom.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 21/09/20 alle ore 06:35:30