Temperature-Dependent Angle-Resolved Photoemission Spectra of TlInSe2: Manifestations of Incommensurate and Commensurate Phases

Temperature-Dependent Angle-Resolved Photoemission Spectra of TlInSe2: Manifestations of Incommensurate and Commensurate Phases
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TlInSe2 的温度依赖性角分辨光电发射光谱:不公度相和公度相的表现

DOI:
10.1143/jjap.47.8188
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发表时间:
2008
影响因子:
1.5
通讯作者:
K. Ichikawa
K. Ichikawa
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
K. Mimura;T. Nogami;K. Abe;K. Wakita;M. Arita;N. Mamedov;G. Orudzhev;H. Namatame;M. Taniguchi;Y. Taguchi;K. Ichikawa

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利用角分辨光电子能谱研究了具有准一维链状结构和巨Seebeck系数的TlInSe 2材料在280和50 K温度下的价带能带结构.计算得到的能带结构与计算得到的能带结构在主要方面吻合较好。使用实验和理论数据进行了详细的分析,得到的结果是明显的存在的无公度相连接到某个点上的A线的布里渊区的TlInSe 2。在讨论后,使用该材料的现有数据,在TlInSe 2的相变的自洽的图片绘制。根据这幅图,TlInSe 2在50 K时已经是一种相称的材料,而InInSe 2-相称的相变发生在280和50 K之间。
The energy band structures of the valence band of the TlInSe2 material with a quasi one-dimensional chain structure and a giant Seebeck coefficient at temperatures below 413 K were investigated by angle-resolved photoemission spectroscopy at 280 and 50 K. The obtained energy bands and the calculated band structure were found to correspond well in main futures. A detailed analysis using both experimental and theoretical data was performed and the obtained results were evident of the presence of the incommensurate phase linked to a certain point on the A line of the Brillouin zone of TlInSe2. A self-consistent picture of the phase transition in TlInSe2 was drawn after discussion using available data for this material. According to this picture, TlInSe2 at 50 K is already a commensurate material while the incommensurate-commensurate phase transition occurs between 280 and 50 K.
1D-TlInSe_2:能带结构、介电功能和纳米棒
DOI: --
发表时间: 2005
期刊: Jpn.J.Appl.Phys. 44
影响因子: --
作者:
N.Mamedov;K.Wakita;S.Akita;Y.Nakayama
通讯作者: Y.Nakayama
DOI: 10.1142/s0218625x02002609
发表时间: 2002-02
影响因子: 1.1
作者:
M. Arita;K. Shimada;H. Namatame;M. Taniguchi
通讯作者: M. Arita;K. Shimada;H. Namatame;M. Taniguchi