STRUCTURAL DISTORTION IN RPT2SN2 COMPOUNDS (R = RARE-EARTHS)

被引：12

作者：

LATROCHE, M

SELSANE, M

GODART, C

SCHIFFMACHER, G

THOMPSON, JD

BEYERMANN, WP

机构：

[1] CNRS,UNITE RECH PROPRE 210,ELEMENTS TRANSIT SOLIDES,F-92195 MEUDON,FRANCE

[2] UNIV CALIF LOS ALAMOS SCI LAB,LOS ALAMOS,NM 87545

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1992年 / 178卷

关键词：

D O I：

10.1016/0925-8388(92)90265-B

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Most of the RM2X2 compounds can be described in tetragonal systems either in the ThCr2Si2 type or in the CaBe2Ge2 type. However, recent work has shown that, for large atoms such as M = Pt or Ir and X = Ge or Sn, structural distortions occur, leading to less symmetrical cells. Here, we report on CexLa1-xPt2Sn2 compounds (x = 1, 0.8 and 0) which exhibit monoclinic distortion and superlattice lines after annealing.

引用

页码：223 / 228

页数：6

共 13 条

[1]

Andress K. R., 1935, Z METALLKD, V27, P126

[2] CRYSTAL STRUCTURE OF TERNARY SILICIDES THM2SI2 (M-CR,MN,FE,CO,NI AND CU) [J].

BAN, Z ;

SIKIRICA, M .

ACTA CRYSTALLOGRAPHICA, 1965, 18 :594-&

[3] COMPETING INTERACTIONS IN THE HEAVY-ELECTRON ANTIFERROMAGNETS CEM2SN2 (M = NI, IR, CU, RH, PD, AND PT) [J].

BEYERMANN, WP ;

HUNDLEY, MF ;

CANFIELD, PC ;

THOMPSON, JD ;

LATROCHE, M ;

GODART, C ;

SELSANE, M ;

FISK, Z ;

SMITH, JL .

PHYSICAL REVIEW B, 1991, 43 (16) :13130-13136

[4] STRUCTURAL CHARACTERIZATION OF NEW TERNARY COMPOUNDS OF URANIUM AND CERIUM [J].

CORDIER, G ;

CZECH, E ;

SCHAFER, H ;

WOLL, P .

JOURNAL OF THE LESS-COMMON METALS, 1985, 110 (1-2) :327-330

[5] THE CRYSTAL-STRUCTURE AND SOME PROPERTIES OF CEPT2SI2 AND CEPT2GE2 [J].

DOMMANN, A ;

HULLIGER, F ;

OTT, HR ;

GRAMLICH, V .

JOURNAL OF THE LESS-COMMON METALS, 1985, 110 (1-2) :331-337

[6]

EISENMAN.B, 1972, Z NATURFORSCH PT B, VB 27, P1155

[7]

GUPTA LC, 1987, VALENCE FLUCTUATIONS

[8]

MAZUMDAR C, 1991, SEP INT C MAGN ED

[9]

SELSANE M, 1991, EUR J SOL STATE INOR, V28, P567

[10] STRUCTURAL, MAGNETIC AND VALENCE PROPERTIES OF CENI2SN2, CECU2SN2, CERH2SN2, CEPD2SN2, CEIR2SN2, CEPT2SN2 [J].

SELSANE, M ;

LEBAIL, M ;

HAMDAOUI, N ;

KAPPLER, JP ;

NOEL, H ;

ACHARD, JC ;

GODART, C .

PHYSICA B, 1990, 163 (1-3) :213-215

← 1 2 →