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Journal article
Magnetization properties and vortex phase diagram of Cu-x TiSe2 single crystals
Physical review. B, v 88(17)
04 Nov 2013
Abstract
We have investigated the magnetization properties and flux dynamics of superconducting Cu-x TiSe2 single crystals within a wide range of copper concentrations. We find that the superconducting anisotropy is low and independent on copper concentration (gamma similar to 1.7), except in the case of strongly underdoped samples (x <= 0.06) that show a gradual increase in anisotropy to gamma similar to 1.9. The vortex phase diagram in this material is characterized by a broad region of vortex liquid phase that is unusual for such a low-T-c superconductor with low anisotropy. Below the irreversibility line the vortex solid state supports relatively low critical current densities as compared to the depairing current limit (J(c)/J(0) similar to 10(-7)). All this points out that local fluctuations in copper concentration have little effect on bulk pinning properties in this system.
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Details
- Title
- Magnetization properties and vortex phase diagram of Cu-x TiSe2 single crystals
- Creators
- P. Husanikova - Drexel UniversityJ. Fedor - Slovak Academy of SciencesJ. Derer - Slovak Academy of SciencesJ. Soltys - Slovak Academy of SciencesV. Cambel - Slovak Academy of SciencesM. Iavarone - Temple UniversityS. J. May - Drexel UniversityG. Karapetrov - Drexel University
- Publication Details
- Physical review. B, v 88(17)
- Publisher
- Amer Physical Soc
- Number of pages
- 5
- Grant note
- Operator of Argonne National Laboratory W911NF-11-1-0283 / Army Research Office DE-SC0004556 / U.S. Department of Energy; United States Department of Energy (DOE) 26240120011(0.6) / ERDF; European Commission APVV-0036-11; VVCE-0058-07 / Slovak Grant Agency APVV; Slovak Research and Development Agency UChicago Argonne, LLC DE-AC02-06CH11357 / U.S. Department of Energy Office of Science laboratory; United States Department of Energy (DOE) Research and Development Operational Program
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics; Materials Science and Engineering
- Web of Science ID
- WOS:000326506600006
- Scopus ID
- 2-s2.0-84887638955
- Other Identifier
- 991019167641004721
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Physics, Applied
- Physics, Condensed Matter