Time dependent effects and transport evidence for phase separation in La{sub 0.5}Ca{sub 0.5}MnO{sub 3} [electronic resource].
- Published
- Washington, D.C. : United States. Dept. of Energy, 2000.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy. - Physical Description
- 15 pages : digital, PDF file
- Additional Creators
- Argonne National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
Access Online
- Restrictions on Access
- Free-to-read Unrestricted online access
- Summary
- The ground state of La{sub 1−x}CaₓMnO₃ changes from a ferromagnetic metallic to an antiferromagnetic charge-ordered state as a function of Ca concentration at x ∼ 0.50. The authors present evidence from transport measurements on a sample with x = 0.50 that the two phases can coexist, in agreement with other observations of phase separation in these materials. They also observe that, by applying and then removing a magnetic field to the mainly charge-ordered state at some temperatures, they can ``magnetically anneal'' the charge order, resulting in a higher zero-field resistivity. They also observe logarithmic time dependence in both resistivity and magnetization after a field sweep at low temperatures.
- Report Numbers
- E 1.99:anl/msd/cp-101129
anl/msd/cp-101129 - Subject(s)
- Other Subject(s)
- Note
- Published through SciTech Connect.
02/17/2000.
"anl/msd/cp-101129"
44th Annual Conference on Magnetism and Magnetic Materials, San Jose, CA (US), 11/15/1999--11/18/1999.
Mitchell, J. F.; Roy, M.; Schiffer, P. - Funding Information
- W-31109-ENG-38
View MARC record | catkey: 14449104