Academic Journal

Retainable Superconductivity and Structural Transition in 1T-TaSe 2 Under High Pressure

التفاصيل البيبلوغرافية
العنوان: Retainable Superconductivity and Structural Transition in 1T-TaSe 2 Under High Pressure
المؤلفون: Tao Lin (124891), Xiaojun Wang (50332), Xin Chen (14149), Xiaobing Liu (522170), Xuan Luo (270185), Xue Li (285380), Xiaoling Jing (11167782), Qing Dong (5624), Bo Liu (127343), Hanyu Liu (1360137), Quanjun Li (1743778), Xuebin Zhu (6079016), Bingbing Liu (649305)
سنة النشر: 2021
المجموعة: Smithsonian Institution: Digital Repository
مصطلحات موضوعية: Molecular Biology, Evolutionary Biology, Ecology, Marine Biology, Science Policy, Environmental Sciences not elsewhere classified, Biological Sciences not elsewhere classified, GPa, superconductive transition temperature, 1 T-TaSe 2, T c, TMDC, CDW, SC, sample, superconductivity, phase, charge density wave
الوصف: As a prominent platform possessing the properties of superconductivity (SC) and charge density wave (CDW), transition-metal dichalcogenides (TMDCs) have attracted considerable attention for a long time. Moreover, extensive efforts have been devoted for exploring the SC and/or the interplay between SC and CDW in TMDCs in the past few decades. Here, we systematically investigate the electronic properties and structural evolution of 1T-TaSe 2 under pressure. With increasing pressure, pressure-induced superconductivity is observed at ∼2.6 GPa. The superconductive transition temperature ( T c ) increases with the suppression of the CDW state to the maximum value of ∼5.1 K at 21.8 GPa and then decreases monotonously up to the highest pressure of 57.8 GPa. 1T-TaSe 2 transforms into a monoclinic C 2/ m structure above 19 GPa. The monoclinic phase coexists with the original phase as the pressure is released under ambient conditions and the retainable superconductivity with T c = 2.9 K is observed in the released sample. We suggest that the retained superconductivity can be ascribed to the retention of the superconductive high-pressure monoclinic phase in the released sample. Our findings demonstrate that both the structure and CDW order are related to the superconductivity of TaSe 2 .
نوع الوثيقة: article in journal/newspaper
اللغة: unknown
Relation: https://figshare.com/articles/journal_contribution/Retainable_Superconductivity_and_Structural_Transition_in_1T-TaSe_sub_2_sub_Under_High_Pressure/15032127
DOI: 10.1021/acs.inorgchem.1c01378.s003
الاتاحة: https://doi.org/10.1021/acs.inorgchem.1c01378.s003
Rights: CC BY-NC 4.0
رقم الانضمام: edsbas.BE1182AC
قاعدة البيانات: BASE
الوصف
DOI:10.1021/acs.inorgchem.1c01378.s003