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Title: Charge density wave modulation and gap measurements in CeTe 3

Abstract

Here, we present a study of charge density wave (CDW) ordering in CeTe3 at room temperature using a scanning tunneling microscope and Raman spectroscopy. Two characteristic CDW ordering wave vectors obtained from the Fourier analysis are assessed to be |c*–q|=4.19nm–1 and |q|=10.26nm–1 where |c*|=2π/c is the reciprocal lattice vector. The scanning tunneling spectroscopy measurements, along with inelastic light (Raman) scattering measurements, show a CDW gap Δmax of approximately 0.37 eV. In addition to the CDW modulation, we observe an organization of the Te sheet atoms in an array of alternating V- and N-shaped groups along the CDW modulation, as predicted in the literature.

Authors:
 [1];  [1];  [2];  [2];  [2];  [3];  [3];  [4];  [1];  [1]
  1. Univ. of Belgrade, Belgrade (Serbia)
  2. Walther Meissner Institut, Garching (Germany)
  3. Stanford Univ., Stanford, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1348402
Alternate Identifier(s):
OSTI ID: 1328962; OSTI ID: 1345740; OSTI ID: 1425046
Report Number(s):
BNL-113582-2017-JA; BNL-113330-2016-JAAM
Journal ID: ISSN 2469-9950; PRBMDO; TRN: US1701522
Grant/Contract Number:  
56267076; 57142964; AC02-76SF00515; SC0012704; SC00112704
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 94; Journal Issue: 16; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Ralević, U., Lazarević, N., Baum, A., Eiter, H. -M., Hackl, R., Giraldo-Gallo, P., Fisher, I. R., Petrovic, C., Gajić, R., and Popović, Z. V. Charge density wave modulation and gap measurements in CeTe3. United States: N. p., 2016. Web. doi:10.1103/PhysRevB.94.165132.
Ralević, U., Lazarević, N., Baum, A., Eiter, H. -M., Hackl, R., Giraldo-Gallo, P., Fisher, I. R., Petrovic, C., Gajić, R., & Popović, Z. V. Charge density wave modulation and gap measurements in CeTe3. United States. doi:10.1103/PhysRevB.94.165132.
Ralević, U., Lazarević, N., Baum, A., Eiter, H. -M., Hackl, R., Giraldo-Gallo, P., Fisher, I. R., Petrovic, C., Gajić, R., and Popović, Z. V. Fri . "Charge density wave modulation and gap measurements in CeTe3". United States. doi:10.1103/PhysRevB.94.165132. https://www.osti.gov/servlets/purl/1348402.
@article{osti_1348402,
title = {Charge density wave modulation and gap measurements in CeTe3},
author = {Ralević, U. and Lazarević, N. and Baum, A. and Eiter, H. -M. and Hackl, R. and Giraldo-Gallo, P. and Fisher, I. R. and Petrovic, C. and Gajić, R. and Popović, Z. V.},
abstractNote = {Here, we present a study of charge density wave (CDW) ordering in CeTe3 at room temperature using a scanning tunneling microscope and Raman spectroscopy. Two characteristic CDW ordering wave vectors obtained from the Fourier analysis are assessed to be |c*–q|=4.19nm–1 and |q|=10.26nm–1 where |c*|=2π/c is the reciprocal lattice vector. The scanning tunneling spectroscopy measurements, along with inelastic light (Raman) scattering measurements, show a CDW gap Δmax of approximately 0.37 eV. In addition to the CDW modulation, we observe an organization of the Te sheet atoms in an array of alternating V- and N-shaped groups along the CDW modulation, as predicted in the literature.},
doi = {10.1103/PhysRevB.94.165132},
journal = {Physical Review B},
number = 16,
volume = 94,
place = {United States},
year = {2016},
month = {10}
}

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