Robust charge-density wave strengthened by electron correlations in monolayer 1T-TaSe2 and 1T-NbSe2

Yuki Nakata, Katsuaki Sugawara, Ashish Chainani, Hirofumi Oka, Changhua Bao, Shaohua Zhou, Pei-Yu Chuang, Cheng-Maw Cheng, Tappei Kawakami, Yasuaki Saruta, Tomoteru Fukumura, Shuyun Zhou, Takashi Takahashi and Takafumi Sato ()
Additional contact information
Yuki Nakata: Tohoku University
Katsuaki Sugawara: Tohoku University
Ashish Chainani: National Synchrotron Radiation Research Center
Hirofumi Oka: Tohoku University
Changhua Bao: Tsinghua University
Shaohua Zhou: Tsinghua University
Pei-Yu Chuang: National Synchrotron Radiation Research Center
Cheng-Maw Cheng: National Synchrotron Radiation Research Center
Tappei Kawakami: Tohoku University
Yasuaki Saruta: Tohoku University
Tomoteru Fukumura: Tohoku University
Shuyun Zhou: Tsinghua University
Takashi Takahashi: Tohoku University
Takafumi Sato: Tohoku University

Nature Communications, 2021, vol. 12, issue 1, 1-9

Abstract: Abstract Combination of low-dimensionality and electron correlation is vital for exotic quantum phenomena such as the Mott-insulating phase and high-temperature superconductivity. Transition-metal dichalcogenide (TMD) 1T-TaS2 has evoked great interest owing to its unique nonmagnetic Mott-insulator nature coupled with a charge-density-wave (CDW). To functionalize such a complex phase, it is essential to enhance the CDW-Mott transition temperature TCDW-Mott, whereas this was difficult for bulk TMDs with TCDW-Mott

Date: 2021
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DOI: 10.1038/s41467-021-26105-1

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