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Title: Field-induced dielectric response saturation in $$o$$ -TaS3

Abstract

The temperature and electric field dependent conductivity spectra of o-TaS3 sample with 10 μm2 in cross section were measured. Besides the classical electric threshold ET₋Cl, we observed another novel threshold ET₋N at a larger electric field, where an S-shaped I-V relation revealed. The appearance of ET₋N may be due to the establishment of coherence among small charge-density- wave domains. Under a stable field E > ET-N, a sharp dispersion emerged below kHz. At a fixed temperature, the scattering rate of the charged condensate was extremely small and decreased with increasing field. With decreasing temperature, the scattering Fröhlic-mode conductivity would be consistent with the meta-stable state.

Authors:
 [1];  [2];  [3];  [3];  [4];  [5]
  1. Tianjin Univ. of Technology, Tianjing (China). School of Materials Science and Engineering; Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics; Tianjin Univ. of Technology, Tianjing (China). Key Lab. of Display Materials and Photoelectric Devices
  2. Tianjin Univ. of Technology, Tianjing (China). School of Materials Science and Engineering; Tianjin Key Lab for Photoelectric Materials and Devices, Tianjin (China)
  3. Tianjin Univ. of Technology, Tianjing (China). School of Materials Science and Engineering
  4. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics; Chinese Academy of Sciences (CAS), Hefei (China). Key Lab. of Materials Physics, Inst. of Solid State Physics
  5. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation of China
OSTI Identifier:
1336217
Report Number(s):
BNL-113240-2016-JA
Journal ID: ISSN 0953-8984; R&D Project: PM016; KC0201050
Grant/Contract Number:  
SC00112704; 10704054
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physics. Condensed Matter
Additional Journal Information:
Journal Volume: 28; Journal Issue: 39; Journal ID: ISSN 0953-8984
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; dielectric constant; tunneling; soliton

Citation Formats

Ma, Yongchang, Lu, Cuimin, Wang, Xuewei, Du, Xueli, Li, Lijun, and Petrovic, Cedomir. Field-induced dielectric response saturation in $o$ -TaS3. United States: N. p., 2016. Web. doi:10.1088/0953-8984/28/39/395901.
Ma, Yongchang, Lu, Cuimin, Wang, Xuewei, Du, Xueli, Li, Lijun, & Petrovic, Cedomir. Field-induced dielectric response saturation in $o$ -TaS3. United States. https://doi.org/10.1088/0953-8984/28/39/395901
Ma, Yongchang, Lu, Cuimin, Wang, Xuewei, Du, Xueli, Li, Lijun, and Petrovic, Cedomir. Wed . "Field-induced dielectric response saturation in $o$ -TaS3". United States. https://doi.org/10.1088/0953-8984/28/39/395901. https://www.osti.gov/servlets/purl/1336217.
@article{osti_1336217,
title = {Field-induced dielectric response saturation in $o$ -TaS3},
author = {Ma, Yongchang and Lu, Cuimin and Wang, Xuewei and Du, Xueli and Li, Lijun and Petrovic, Cedomir},
abstractNote = {The temperature and electric field dependent conductivity spectra of o-TaS3 sample with 10 μm2 in cross section were measured. Besides the classical electric threshold ET₋Cl, we observed another novel threshold ET₋N at a larger electric field, where an S-shaped I-V relation revealed. The appearance of ET₋N may be due to the establishment of coherence among small charge-density- wave domains. Under a stable field E > ET-N, a sharp dispersion emerged below kHz. At a fixed temperature, the scattering rate of the charged condensate was extremely small and decreased with increasing field. With decreasing temperature, the scattering Fröhlic-mode conductivity would be consistent with the meta-stable state.},
doi = {10.1088/0953-8984/28/39/395901},
journal = {Journal of Physics. Condensed Matter},
number = 39,
volume = 28,
place = {United States},
year = {Wed Aug 03 00:00:00 EDT 2016},
month = {Wed Aug 03 00:00:00 EDT 2016}
}

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