Charge-density-wave phase transitions in quasi-2D 1T-TaS2/h-BN heterostructure devices

Jonas O. Brown; Maedeh Taheri; Nicholas R. Sesing; Tina T. Salguero; Fariborz Kargar; Alexander A. Balandin

doi:10.1117/12.2637881

3 October 2022 Charge-density-wave phase transitions in quasi-2D 1T-TaS₂/h-BN heterostructure devices

Jonas O. Brown, Maedeh Taheri, Nicholas R. Sesing, Tina T. Salguero, Fariborz Kargar, Alexander A. Balandin

Proceedings Volume 12200, Low-Dimensional Materials and Devices 2022; 1220004 (2022) https://doi.org/10.1117/12.2637881
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

In this invited contribution, we review recent results and report on the phase transitions and de-pinning of the charge-density waves in single-crystal 1T-TaS₂ thin-film and 1T-TaS₂ / h-BN heterostructure devices. It is known that 1T-TaS₂ reveals charge-density-wave phases below and above room temperature. The de-pinning of the charge-density waves in the quasi-2D materials is different from that in “conventional” bulk charge-density-wave materials with quasi-1D motifs in the crystal structure. The de-pinning process in 1T-TaS₂ is not accompanied by an observable abrupt increase in electric current – in contrast to de-pinning in the conventional charge-density-wave materials with the quasi-1D crystal structure. The obtained results contribute to the development of the charge-density-wave devices for applications in electronics and optoelectronics.

Conference Presentation

Citation Download Citation

Jonas O. Brown, Maedeh Taheri, Nicholas R. Sesing, Tina T. Salguero, Fariborz Kargar, and Alexander A. Balandin "Charge-density-wave phase transitions in quasi-2D 1T-TaS₂/h-BN heterostructure devices", Proc. SPIE 12200, Low-Dimensional Materials and Devices 2022, 1220004 (3 October 2022); https://doi.org/10.1117/12.2637881

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