SYSTEMATIC STUDY OF INSULATOR-METAL TRANSITIONS IN PEROVSKITES RNIO3 (R = PR, ND, SM, EU) DUE TO CLOSING OF CHARGE-TRANSFER GAP

被引:956
作者
TORRANCE, JB
LACORRE, P
NAZZAL, AI
ANSALDO, EJ
NIEDERMAYER, C
机构
[1] UNIV SASKATCHEWAN,DEPT PHYS,SASKATOON S7N 0W0,SASKATCHEWAN,CANADA
[2] UNIV CONSTANCE,FAK PHYS,W-7750 CONSTANCE,GERMANY
[3] UNIV MAINE,FAC SCI,FLUORURES LAB,F-72017 LE MANS,FRANCE
来源
PHYSICAL REVIEW B | 1992年 / 45卷 / 14期
关键词
D O I
10.1103/PhysRevB.45.8209
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The detailed behavior of the phase transitions was mapped out for the series RNiO3 as a function of the rare earth (R). A sharp insulator-metal transition is observed, which depends strongly on R. For small R it occurs at a higher temperature than the antiferromagnetic ordering (measured by muonspin relaxation). By increasing either the temperature or the size of R, an insulator-metal transition is observed, most probably caused by the closing of the charge-transfer gap, induced by an increase in the electronic bandwidth.
引用
收藏
页码:8209 / 8212
页数:4
相关论文
共 28 条
  • [21] SIMPLE AND PEROVSKITE OXIDES OF TRANSITION-METALS - WHY SOME ARE METALLIC, WHILE MOST ARE INSULATING
    TORRANCE, JB
    LACORRO, P
    ASAVAROENGCHAI, C
    METZGER, RM
    [J]. JOURNAL OF SOLID STATE CHEMISTRY, 1991, 90 (01) : 168 - 172
  • [22] ANTIFERROMAGNETISM OF LA2CUO4-Y STUDIED BY MUON-SPIN ROTATION
    UEMURA, YJ
    KOSSLER, WJ
    YU, XH
    KEMPTON, JR
    SCHONE, HE
    OPIE, D
    STRONACH, CE
    JOHNSTON, DC
    ALVAREZ, MS
    GOSHORN, DP
    [J]. PHYSICAL REVIEW LETTERS, 1987, 59 (09) : 1045 - 1048
  • [23] CHARGE-TRANSFER EXCITATIONS AND SUPERCONDUCTIVITY IN IONIC METALS
    VARMA, CM
    SCHMITTRINK, S
    ABRAHAMS, E
    [J]. SOLID STATE COMMUNICATIONS, 1987, 62 (10) : 681 - 685
  • [24] SYNTHESIS AND PROPERTIES OF NDNIO3 PREPARED BY LOW-TEMPERATURE METHODS
    VASSILIOU, JK
    HORNBOSTEL, M
    ZIEBARTH, R
    DISALVO, FJ
    [J]. JOURNAL OF SOLID STATE CHEMISTRY, 1989, 81 (02) : 208 - 216
  • [25] RARE EARTH NICKEL OXIDES
    WOLD, A
    POST, B
    BANKS, E
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1957, 79 (18) : 4911 - 4913
  • [26] PURE AND DOPED VANADIUM SESQUIOXIDE - A BRIEF EXPERIMENTAL REVIEW
    YETHIRAJ, M
    [J]. JOURNAL OF SOLID STATE CHEMISTRY, 1990, 88 (01) : 53 - 69
  • [27] SYSTEMATICS IN BAND-GAPS AND OPTICAL-SPECTRA OF 3D TRANSITION-METAL COMPOUNDS
    ZAANEN, J
    SAWATZKY, GA
    [J]. JOURNAL OF SOLID STATE CHEMISTRY, 1990, 88 (01) : 8 - 27
  • [28] BAND-GAPS AND ELECTRONIC-STRUCTURE OF TRANSITION-METAL COMPOUNDS
    ZAANEN, J
    SAWATZKY, GA
    ALLEN, JW
    [J]. PHYSICAL REVIEW LETTERS, 1985, 55 (04) : 418 - 421