MICROSTRUCTURAL CHANGES INDUCED BY LATTICE INSTABILITIES IN LA2-XBAXCUO4 (X=0.125) AND ND2NIO4

被引:22
作者
CHEN, CH
CHEONG, SW
WERDER, DJ
TAKAGI, H
机构
[1] AT and T Bell Laboratories, Murray Hill
来源
PHYSICA C | 1993年 / 206卷 / 3-4期
关键词
D O I
10.1016/0921-4534(93)90513-P
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have studied the microstructural changes associated with the structural phase transition from a low-temperature orthorhombic phase to a low-temperature tetragonal phase in metallic La2-xBaxCuO4 and insulating Nd2NiO4. Employing electron microscopy, diffraction and dark field imaging the transition was found to be similar in both systems. Below the transition temperature a fine mixture exists of both tetragonal and orthorhombic domains. Details of microstructural changes of defect networks are compound specific. A simple model is also proposed to understand the microstructural changes observed in these two systems.
引用
收藏
页码:183 / 194
页数:12
相关论文
共 14 条
  • [1] STRUCTURAL PHASE-TRANSFORMATIONS AND SUPERCONDUCTIVITY IN LA2-XBAXCUO4
    AXE, JD
    MOUDDEN, AH
    HOHLWEIN, D
    COX, DE
    MOHANTY, KM
    MOODENBAUGH, AR
    XU, YW
    [J]. PHYSICAL REVIEW LETTERS, 1989, 62 (23) : 2751 - 2754
  • [2] LOW-TEMPERATURE MICROSTRUCTURE AND PHASE-TRANSITIONS IN LA2-XSRXCUO4 AND LA2-XBAXCUO4
    CHEN, CH
    CHEONG, SW
    WERDER, DJ
    COOPER, AS
    RUPP, LW
    [J]. PHYSICA C, 1991, 175 (3-4): : 301 - 309
  • [3] MICRO-TWIN AND ANTIPHASE DOMAIN BOUNDARIES IN THE ORTHORHOMBIC PHASE OF LA2-X(SR, BA)XCUO4
    CHEN, CH
    WERDER, DJ
    CHEONG, SW
    TAKAGI, H
    [J]. PHYSICA C, 1991, 183 (1-3): : 121 - 129
  • [4] OXYGEN ISOTOPE EFFECT AND STRUCTURAL PHASE-TRANSITIONS IN LA2CUO4-BASED SUPERCONDUCTORS
    CRAWFORD, MK
    FARNETH, WE
    MCCARRON, EM
    HARLOW, RL
    MOUDDEN, AH
    [J]. SCIENCE, 1990, 250 (4986) : 1390 - 1394
  • [5] TEMPERATURE AND COMPOSITION DEPENDENCE OF THE TETRAGONAL-ORTHORHOMBIC DISTORTION IN LA2-XSRXCUO4-DELTA
    FLEMING, RM
    BATLOGG, B
    CAVA, RJ
    RIETMAN, EA
    [J]. PHYSICAL REVIEW B, 1987, 35 (13): : 7191 - 7194
  • [6] KOIKE Y, 1991, SOLID STATE COMMUN, V78, P142
  • [7] PHYSICS OF COMPLEX METALS - TEMPERATURE-DEPENDENT RESISTIVITIES IN IONIC SUPERCONDUCTORS AND STABLE QUASI-CRYSTALS
    PHILLIPS, JC
    [J]. PHYSICAL REVIEW B, 1992, 46 (13): : 8542 - 8558
  • [8] ANOMALOUS PROPERTIES AND MICROSTRUCTURAL MODEL OF SUPERCONDUCTIVITY IN LA2-X(BA,SR)XCUO4
    PHILLIPS, JC
    RABE, KM
    [J]. PHYSICAL REVIEW B, 1991, 44 (06): : 2863 - 2866
  • [9] STRUCTURAL PHASE-TRANSITIONS AND 3-DIMENSIONAL MAGNETIC-ORDERING IN THE ND2NIO4 OXIDE
    RODRIGUEZCARVAJAL, J
    FERNANDEZDIAZ, MT
    MARTINEZ, JL
    FERNANDEZ, F
    SAEZPUCHE, R
    [J]. EUROPHYSICS LETTERS, 1990, 11 (03): : 261 - 268
  • [10] ON THE POSSIBLE MECHANISM OF THE SUCCESSIVE STRUCTURAL TRANSITIONS OF LA2-XBAXCUO4 - STUDY BY THE LI SUBSTITUTION FOR CU
    SHAMOTO, S
    SERA, M
    SATO, M
    [J]. SOLID STATE COMMUNICATIONS, 1990, 76 (07) : 923 - 927