Observation of multiple metastable states induced by electric pulses in the hysteresis temperature range of
Journal Article
·
· Physical Review B
- Tianjin Univ. of Technology, Tianjin (China). School of Materials Science and Engineering
- Peking Univ., Beijing (China). International Center for Quantum Materials, School of Physics
- Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.
The electric pulses induced responses of 1T - TaS2 in the commensurate charge-density-wave phase in the hysteresis temperature region (160 ~ 210 K) have been investigated. We observed an abrupt jump of the resistance excited by pulse, followed by a slow relaxation process in a time scale of ~ 100 s. At a fixed temperature, the various electric pulses can drive the system to multi metastable states. Here, we propose that the spontaneous evolution or slow relaxation of the system by pulse excitations corresponds to the rearrangements of the textures of CCDW domains.
- Research Organization:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- SC0012704
- OSTI ID:
- 1492782
- Report Number(s):
- BNL--210941-2019-JAAM
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 4 Vol. 99; ISSN 2469-9950; ISSN PRBMDO
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Charge density wave dynamics in nonvolatile current-induced phase transition in 1 T − Ta S 2
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journal | October 2019 |
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