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Single-Crystal Synthesis and Characterization of Copper-Intercalated ZrTe5

Journal Article · · Crystal Growth and Design
 [1];  [2];  [1];  [3];  [4]
  1. Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States). Material, Physical and Chemical Sciences Center
  2. Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States). Nanoscale Sciences Dept.
  3. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Quantum Phenomena Dept.
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Center for Integrated Nanotechnologies,; Sandia National Lab. (SNL-CA), Livermore, CA (United States). Materials Physics Dept.
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Herein is presented the synthesis and characterization of copper-intercalated zirconium pentatelluride (ZrTe5). ZrTe5:Cu0.05 crystals are synthesized by the chemical vapor transport method in a vacuum. X-ray diffraction and elemental analysis techniques are utilized to validate the synthesis. The results indicate that the intercalation of the layered Zr/Te structure with copper atoms causes the contraction of the unit cell along all three crystalline directions, the shrinkage of the overall volume of the unit cell, and the distortion of the unit cell. A single crystal was isolated, mechanically exfoliated, and used for the measurements of intercalation strains in a Hall bar device. Electronic transport studies indicate that an anomalous resistance drop is observed at T = 19 K. Furthermore, Rxx and Rxy results, respectively, indicate a probable disorder-induced localization effect and electron-type carriers.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1601264
Report Number(s):
SAND2020-1140J; 683392
Journal Information:
Crystal Growth and Design, Journal Name: Crystal Growth and Design Journal Issue: 2 Vol. 20; ISSN 1528-7483
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
Crystal structure
Crystals
Granular materials
Intercalation
Physical and chemical processes