Observation of momentum-dependent charge density wave gap in a layered antiferromagnet GdTe3

被引：0

作者：

Regmi, Sabin ^{[1
,6
]}

Bin Elius, Iftakhar ^{[1
]}

Sakhya, Anup Pradhan ^{[1
]}

Jeff, Dylan ^{[1
,2
]}

Sprague, Milo ^{[1
]}

Mondal, Mazharul Islam ^{[1
]}

Jarrett, Damani ^{[1
]}

Valadez, Nathan ^{[1
]}

Agosto, Alexis ^{[1
]}

Romanova, Tetiana ^{[3
]}

Chu, Jiun-Haw ^{[4
]}

Khondaker, Saiful I. ^{[1
,2
]}

Ptok, Andrzej ^{[5
]}

Kaczorowski, Dariusz ^{[3
]}

Neupane, Madhab ^{[1
]}

机构：

[1] Univ Cent Florida, Dept Phys, Orlando, FL 32816 USA

[2] Univ Cent Florida, Nanosci Technol Ctr, Orlando, FL 32826 USA

[3] Polish Acad Sci, Inst Low Temp & Struct Res, Okolna 2, PL-50422 Wroclaw, Poland

[4] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[5] Polish Acad Sci, Inst Nucl Phys, W E Radzikowskiego 152, PL-31342 Krakow, Poland

[6] Idaho Natl Lab, Ctr Quantum Actinide Sci & Technol, Idaho Falls, ID 83415 USA

来源：

SCIENTIFIC REPORTS | 2023年 / 13卷 / 01期

基金：

美国国家科学基金会;

关键词：

ELECTRONIC-STRUCTURE; FERMI-SURFACE; RETE3; RE; SUPERCONDUCTIVITY; TEMPERATURE; BEHAVIOR;

D O I：

10.1038/s41598-023-44851-8

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Charge density wave (CDW) ordering has been an important topic of study for a long time owing to its connection with other exotic phases such as superconductivity and magnetism. The RTe3 (R = rare-earth elements) family of materials provides a fertile ground to study the dynamics of CDW in van der Waals layered materials, and the presence of magnetism in these materials allows to explore the interplay among CDW and long range magnetic ordering. Here, we have carried out a high resolution angle-resolved photoemission spectroscopy (ARPES) study of a CDW material GdTe3, which is antiferromagnetic below similar to 12 K , along with thermodynamic, electrical transport, magnetic, and Raman measurements. Our ARPES data show a two-fold symmetric Fermi surface with both gapped and ungapped regions indicative of the partial nesting. The gap is momentum dependent, maximum along Gamma - Z and gradually decreases going towards Gamma - X . Our study provides a platform to study the dynamics of CDW and its interaction with other physical orders in two-and three-dimensions.

引用

页数：9

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