单组分分子导体 [Pt(dmdt)]-一种三维常压分子狄拉克电子体系。
Single-component molecular conductor [Pt(dmdt)]-a three-dimensional ambient-pressure molecular Dirac electron system.
机构信息
Department of Chemistry, College of Humanities and Sciences, Nihon University, Setagaya-Ku, Tokyo 156-8550, Japan.
出版信息
Chem Commun (Camb). 2019 Mar 14;55(23):3327-3330. doi: 10.1039/c9cc00218a.
PMID:30741309
Abstract
The single-component molecular conductor [Pt(dmdt)2] is a sought-after ambient-pressure molecular Dirac electron system, which exhibits a high temperature-insensitive conductivity and temperature-dependent magnetic susceptibility nearly vanishing below 120 K. First-principles DFT calculations reveal that Dirac cones emerge along the a* direction, and form Dirac nodal lines.
摘要
单组分分子导体[Pt(dmdt)2]是一种备受关注的常压分子狄拉克电子体系，具有高温不敏感的电导率和 120 K 以下近乎消失的温度依赖磁导率。第一性原理 DFT 计算表明，狄拉克锥出现在 a* 方向上，并形成狄拉克节线。
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