La0.3Sr0.7CrO3钙钛矿化合物高压合成和物性

吕玉玺 李凤英 靳常青

吕玉玺, 李凤英, 靳常青. La0.3Sr0.7CrO3钙钛矿化合物高压合成和物性[J]. 高压物理学报, 2012, 26(2): 185-188. doi: 10.11858/gywlxb.2012.02.010
引用本文: 吕玉玺, 李凤英, 靳常青. La0.3Sr0.7CrO3钙钛矿化合物高压合成和物性[J]. 高压物理学报, 2012, 26(2): 185-188. doi: 10.11858/gywlxb.2012.02.010
Lü Yu-Xi,   LI Feng-Ying, JIN Chang-Qing. The High Pressure Synthesis and Properties of La0.3Sr0.7CrO3[J]. Chinese Journal of High Pressure Physics, 2012, 26(2): 185-188. doi: 10.11858/gywlxb.2012.02.010
Citation: Lü Yu-Xi,   LI Feng-Ying, JIN Chang-Qing. The High Pressure Synthesis and Properties of La0.3Sr0.7CrO3[J]. Chinese Journal of High Pressure Physics, 2012, 26(2): 185-188. doi: 10.11858/gywlxb.2012.02.010

La0.3Sr0.7CrO3钙钛矿化合物高压合成和物性

doi: 10.11858/gywlxb.2012.02.010
详细信息
    通讯作者:

    吕玉玺 E-mail:lvyuxi@aphy.iphy.ac.cn

The High Pressure Synthesis and Properties of La0.3Sr0.7CrO3

  • 摘要: 采用高压高温方法合成了单相的带宽调控型La0.3Sr0.7CrO3 Mott化合物,对其晶体结构和磁学性质进行了研究。结果表明:La0.3Sr0.7CrO3化合物具有立方钙钛矿晶体结构,温度在170 K以上其磁性为顺磁性,满足居里-外斯定律,温度低于20.7 K发生了自旋玻璃转变。

     

  • Zhou J S, Jin C Q, Long Y W, et al. Anomalous electronic state in CaCrO3 and SrCrO3 [J]. Phys Rev Lett, 2006, 96(4): 046408.
    Chamberl B L. Preparation and properties of SrCrO3 [J]. Solid State Communications, 1967, 5(8): 663.
    Geller S, Raccah P M. Phase transitions in perovskitelike compounds of rare earths [J]. Phys Rev B, 1970, 2(4): 1167-1172.
    Koehler W C, Wollan E O. Neutron-diffraction study of the magnetic properties of perovskite-like compounds LaBO3 [J]. J Phys Chem Solids, 1957, 2(2): 100-106.
    Meadowcr D B. Some properties of strontium-doped lanthanum chromite [J]. J Phys D: Appl Phys, 1969, 2(9): 1225-1233.
    Devi P S, Rao M S. Preparation, structure, and properties of strontium-doped lanthanum chromites: La1-xSrxCrO3 [J]. J Solid State Chem, 1992, 98(2): 237-244.
    Tezuka K, Hinatsu Y, Nakamura A, et al. Magnetic and neutron diffraction study on perovskites La1-xSrxCrO3 [J]. J Solid State Chem, 1998, 141: 404-410.
    Tezuka K, Hinatsu Y, Oikawa K, et al. Studies on magnetic properties of La0. 95Sr0. 05CrO3 and La0. 85Sr0. 15CrO3 by means of powder neutron diffraction [J]. J Phys: Conden Matter, 2000, 12(18): 4151-4160.
    Nagata S, Keesom P H, Harrison H R. Low-dc-field susceptibility of cumn spin glass [J]. Phys Rev B, 1979, 19(3): 1633-1638.
    Ortega-San-Martin L, Williams A J, Rodgers J, et al. Microstrain sensitivity of orbital and electronic phase separation in SrCrO3 [J]. Phys Rev Lett, 2007, 99(25): 255701.
    Komarek A C, Streltsov S V, Isobe M, et al. CaCrO3: An anomalous antiferromagnetic metallic oxide [J]. Phys Rev Lett, 2008, 101(16): 167204.
  • 加载中
计量
  • 文章访问数:  7539
  • HTML全文浏览量:  600
  • PDF下载量:  544
出版历程
  • 收稿日期:  2011-05-05
  • 修回日期:  2011-05-11
  • 发布日期:  2012-04-15

目录

    /

    返回文章
    返回