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Conductivity and NMR Study of LaGa1−xMnxO3 Single Crystals

Published online by Cambridge University Press:  10 February 2011

N. Noginova ,
G. Loutts ,
L. Mattix ,
K. Babalola  and
E. Arthur
N. Noginova
Affiliation:
Center for Materials Research, Norfolk State University, Norfolk, VA, 23504 [email protected]
G. Loutts
Affiliation:
Center for Materials Research, Norfolk State University, Norfolk, VA, 23504 [email protected]
L. Mattix
Affiliation:
Center for Materials Research, Norfolk State University, Norfolk, VA, 23504 [email protected]
E. Arthur
Affiliation:
Center for Materials Research, Norfolk State University, Norfolk, VA, 23504 [email protected]
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Abstract

Electrical conductivity and magnetic relaxation has been studied in single crystals of Mn doped LaGaO3 with doping concentrations of 0%, 0.5%, 2%, 10% and 50%. The resistivity of the crystals strongly depends on temperature and can be described with the hopping model. Both activation energy and resistivity coefficient grow significantly with decrease in Mn ion concentrations. Dramatic changes are observed in 71Ga NMR spin-lattice relaxation times.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 602: Symposium JJ – Magnetoresistive Oxides & Related Materials , 1999 , 239
Copyright
Copyright © Materials Research Society 2000

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References

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