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首页> 外文期刊>Physical review >Multiple charge density wave states and magnetism in NdPt_2Si_2 against the background of its nonmagnetic analog LaPt_2Si_2
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Multiple charge density wave states and magnetism in NdPt_2Si_2 against the background of its nonmagnetic analog LaPt_2Si_2

机译:NDPT_2SI_2中的多电荷密度波状态和磁力对其非磁性模拟Lapt_2SI_2的背景

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摘要

Results of structural, magnetic, thermodynamic, and electron transport measurements on single-crystalline NdPt_2Si_2 are reported. Temperature variations of crystal structure show two different charge density wave states. The structure modulation with the propagation vector q_1 = (0.323, 0, 0) arises below T = 300 K. An additional modulation, with propagation vector q_2 = (0.163, 0.163, 0.500), appears below T = 50 K in a first-order phase transition. This situation was found analogous to isostructural LaPt_2Si_2 with similar (but not identical) propagation vectors and characteristic temperatures. Nd magnetic moments order antiferromagnetically at T_N = 1.5 K. Temperature dependence of electrical resistivity for current j applied along the a, b, and r axes is strongly affected by the first-order transition, inducing a Fermi surface gapping.
机译:报道了单晶NDPT_2SI_2上的结构,磁性,热力学和电子传输测量结果。晶体结构的温度变化显示出两种不同的电荷密度波状态。具有传播矢量Q_1 =(0.323,0,0)的结构调制在T = 300k以下出现。具有传播载体Q_2 =(0.163,0.163,0.500)的附加调制,在第一 - 订单阶段转换。发现这种情况类似于具有相似(但不是相同)的传播向量和特征温度的ISOStrontuctuctuct _2SI_2。 ND磁矩在T_N = 1.5 K处令反铁磁性排序。电阻率对A,B和R轴施加的电阻率的温度依赖性受到一阶转变的强烈影响,诱导费米表面拍摄。

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  • 来源
    《Physical review》 |2020年第17期|174110.1-174110.10|共10页
  • 作者单位

    Department of Condensed Matter Physics Faculty of Mathematics and Physics Charles University Ke Karlovu 5 12116 Prague Czech Republic Institute of Physics of the Czech Academy of Sciences Na Slovance 2 18221 Prague Czech Republic Institute of Molecular Physics Polish Academy of Sciences Smoluchowskiego 17 60-179 Poznan Poland;

    Department of Condensed Matter Physics Faculty of Mathematics and Physics Charles University Ke Karlovu 5 12116 Prague Czech Republic;

    Department of Condensed Matter Physics Faculty of Mathematics and Physics Charles University Ke Karlovu 5 12116 Prague Czech Republic;

    Sorbonne Universite CNRS Institut Parisien de Chimie Moleculaire 4 place Jussieu 75252 Paris Cedex 5 France;

    Sorbonne Universite CNRS Institut Parisien de Chimie Moleculaire 4 place Jussieu 75252 Paris Cedex 5 France;

    Institute of Physics of the Czech Academy of Sciences Na Slovance 2 18221 Prague Czech Republic;

    Department of Condensed Matter Physics Faculty of Mathematics and Physics Charles University Ke Karlovu 5 12116 Prague Czech Republic;

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