Metal-insulator transition in quasi-one-dimensional HfTe_3 in the few-chain limit

Meyer Scott; Thang Pham; Oh Sehoon; Ercius Peter; Kisielowski Christian; Cohen Marvin L.; Zettl Alex

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Metal-insulator transition in quasi-one-dimensional HfTe_3 in the few-chain limit

机译：在几个链限制中，金属绝缘体在准一维HFTE_3中转换

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The quasi-one-dimensional linear chain compound HfTe3 is experimentally and theoretically explored in the few- to single-chain limit. Confining the material within the hollow core of carbon nanotubes allows isolation of the chains and prevents the rapid oxidation which plagues even bulk HfTe3. High-resolution transmission electron microscopy combined with density functional theory calculations reveals that, once the triple-chain limit is reached, the normally parallel chains spiral about each other, and simultaneously a short-wavelength trigonal antiprismatic rocking distortion occurs that opens a significant energy gap. This results in a size-driven metal-insulator transition.

机译：准一维线性链复合HFTe3在实验和理论上探讨了几个至单链限制。将碳纳米管的中空核心内的材料限制允许分离链并防止悬浮甚至散毛3的快速氧化。高分辨率透射电子显微镜结合密度函数理论计算揭示了，一旦达到三链限制，就彼此螺旋螺旋螺旋，并且同时发生短波长度的三角形抗反抗变形，从而打开显着的能量隙。这导致尺寸驱动的金属绝缘体过渡。

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《Physical review》 |2019年第4期|041403.1-041403.5|共5页
作者
Meyer Scott; Thang Pham; Oh Sehoon; Ercius Peter; Kisielowski Christian; Cohen Marvin L.; Zettl Alex;
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Univ Calif Berkeley Dept Phys Berkeley CA 94720 USA|Univ Calif Berkeley Dept Chem Berkeley CA 94720 USA|Univ Calif Berkeley Kavli Energy NanoSci Inst Berkeley CA 94720 USA|Lawrence Berkeley Natl Lab Mat Sci Div Berkeley CA 94720 USA;

Univ Calif Berkeley Dept Phys Berkeley CA 94720 USA|Univ Calif Berkeley Kavli Energy NanoSci Inst Berkeley CA 94720 USA|Lawrence Berkeley Natl Lab Mat Sci Div Berkeley CA 94720 USA|Univ Calif Berkeley Dept Mat Sci & Engn Berkeley CA 94720 USA;

Univ Calif Berkeley Dept Phys Berkeley CA 94720 USA|Lawrence Berkeley Natl Lab Mat Sci Div Berkeley CA 94720 USA;

Mol Foundry One Cyclotron Rd Berkeley CA 94720 USA;

Mol Foundry One Cyclotron Rd Berkeley CA 94720 USA;

Univ Calif Berkeley Dept Phys Berkeley CA 94720 USA|Lawrence Berkeley Natl Lab Mat Sci Div Berkeley CA 94720 USA;

Univ Calif Berkeley Dept Phys Berkeley CA 94720 USA|Univ Calif Berkeley Kavli Energy NanoSci Inst Berkeley CA 94720 USA|Lawrence Berkeley Natl Lab Mat Sci Div Berkeley CA 94720 USA;

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1. Metal-insulator transition in quasi-one-dimensional HfTe_3 in the few-chain limit [J] . Meyer Scott, Thang Pham, Oh Sehoon, Physical review . 2019,第4期

机译：几链极限内准一维HfTe_3中的金属-绝缘体跃迁
2. Metal-insulator transition in quasi-one-dimensional HfTe3 in the few-chain limit [J] . Meyer Scott, Thang Pham, Oh Sehoon, Physical review, B . 2019,第4期

机译：在几个链限制中，金属绝缘体在准一维HFTE3中过渡
3. Pressure dependence of phase transitions in the quasi-one-dimensional metal-insulator transition system beta-Na1/3V2O5 - art. no. 085117 [J] . Obermeier G., Ciesla D., Klimm S., Physical Review, B. Condensed Matter . 2002,第8期

机译：准一维金属-绝缘子跃迁系统β-Na1/ 3V2O5中相变的压力依赖性-艺术没有。 085117
4. Theoretical limits, legacies, and prospects: Types of physics involved and kinds of problems that might be solved - What can the Fermi-Hubbard model teach about metal-insulator transitions, magnetism, exotic superconductivity, and materials like transition metal monoxides, cuprates, heavy fermions? [C] . Vladimir Dobrosavljevic, Gabe Aeppli 2D Quantum Metamaterials Workshop . 2020

机译：理论限制，遗产和前景：涉及的物理类型和可能解决的各种问题 - 什么可以教授Fermi-Hubbard模型教授金属绝缘体过渡，磁，异国情调的超导和过渡金属一氧化物，铜酸酯，铜酸酯费米子？
5. Metal-Insulator Transition and Quantum Phases in Transition Metal Oxides [D] . Chen, Ru 2014

机译：过渡金属氧化物中的金属绝缘体过渡和量子相
6. Suppression of Structural Phase Transition in VO2 by Epitaxial Strain in Vicinity of Metal-insulator Transition [O] . Mengmeng Yang, Yuanjun Yang, Bin Hong, -1

机译：金属-绝缘体转变附近外延应变抑制VO2中的结构相变
7. Magnetic-order-driven metal-insulator transitions in the quasi-one-dimensional spin-ladder compounds BaFe2S3 and BaFe2Se3 [O] . Seulki Roh, Soohyeon Shin, Jaekyung Jang, 2020

机译：准一维旋转梯形化合物Bafe2S3和Bafe2Se3中的磁性秩序驱动的金属绝缘体过渡

Metal-insulator transition in quasi-one-dimensional HfTe_3 in the few-chain limit

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