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Titolo:
CRYSTAL-STRUCTURE AND PHYSICAL-PROPERTIES OF UAUSI AND UAU2
Autore:
POTTGEN R; TRAN VH; HOFFMANN RD; KACZOROWSKI D; TROC R;
Indirizzi:
UNIV MUNSTER,INST ANORGAN CHEM,WILHELM KLEMM STR 8 D-48149 MUNSTER GERMANY POLISH ACAD SCI,W TRZEBIATOWSKI INST LOW TEMP & STRUCT RES PL-50950 WROCLAW POLAND
Titolo Testata:
Journal of materials chemistry
fascicolo: 3, volume: 6, anno: 1996,
pagine: 429 - 434
SICI:
0959-9428(1996)6:3<429:CAPOUA>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
RARE-EARTH COMPOUNDS; EQUIVALENT-TO-FE; U-AU SYSTEM; ALPHA-THSI2-TYPE STRUCTURES; DISORDERED ALB2-TYPE; MAGNETIC-PROPERTIES; SILICIDES; BEHAVIOR; REFINEMENT; U14AU51;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
43
Recensione:
Indirizzi per estratti:
Citazione:
R. Pottgen et al., "CRYSTAL-STRUCTURE AND PHYSICAL-PROPERTIES OF UAUSI AND UAU2", Journal of materials chemistry, 6(3), 1996, pp. 429-434

Abstract

UAuSi and UAu2 have been prepared by are-melting of the elemental components and subsequent annealing The crystal structure of UAuSi, whichhas been previously reported to crystallize in the TiNiSi-type structure, was determined from X-ray powder diffraction data: LiBaSi-type structure, <P(6)over bar m2>, a = 419.5(2) pm, c = 397.2(2) pm, V = 0.0605 nm(3), Z = 1 and R(B)(I) = 0.018. It is derived from the A1B(2)-type structure by an ordered arrangement of the gold and silicon atoms onthe boron sites. The binary compound UAu2 (A1B(2)-type) is confirmed. Magnetic susceptibility measurements indicate spin-glass behaviour and paramagnetism for UAuSi and UAu2, respectively; Both compounds are metallic conductors.

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Documento generato il 10/07/20 alle ore 11:17:40