Magnetization properties and vortex phase diagram of Cu <inf>x</inf>TiSe<inf>2</inf> single crystals
Genre
Journal ArticleDate
2013-11-04Author
Husaníková, PFedor, J
Dérer, J
Šoltýs, J
Cambel, V
Iavarone, M
May, SJ
Karapetrov, G
Permanent link to this record
http://hdl.handle.net/20.500.12613/5930
Metadata
Show full item recordDOI
10.1103/PhysRevB.88.174501Abstract
We have investigated the magnetization properties and flux dynamics of superconducting CuxTiSe2 single crystals within a wide range of copper concentrations. We find that the superconducting anisotropy is low and independent on copper concentration (γ∼1.7), except in the case of strongly underdoped samples (x≤0.06) that show a gradual increase in anisotropy to γ∼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-Tc 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/J0∼10-7). All this points out that local fluctuations in copper concentration have little effect on bulk pinning properties in this system. © 2013 American Physical Society.Citation to related work
American Physical Society (APS)Has part
Physical Review B - Condensed Matter and Materials PhysicsADA compliance
For Americans with Disabilities Act (ADA) accommodation, including help with reading this content, please contact scholarshare@temple.eduae974a485f413a2113503eed53cd6c53
http://dx.doi.org/10.34944/dspace/5912