Magnetoresistance scaling in the layered cobaltate Ca 3 Co 4 O 9

P. Limelette 1 J. Soret 1 H. Muguerra 2 D. Grebille 2
1 LEMA - Laboratoire d'Electrodynamique des Matériaux Avancés
2 CRISMAT - Laboratoire de cristallographie et sciences des matériaux
Abstract : We investigate the low-temperature magnetic-field dependences of both the resistivity and the magnetization in the misfit cobaltate Ca 3 Co 4 O 9 from 60 K down to 2 K. The measured negative magnetoresistance reveals a scaling behavior with the magnetization which demonstrates a spin dependent scattering mechanism. This scaling is also found to be consistent with a shadowed metalliclike conduction over the whole temperature range. By explaining the observed transport crossover, this result sheds a new light on the nature of the elementary excitations relevant to the transport.
Document type :
Journal articles
Complete list of metadatas

Cited literature [25 references]  Display  Hide  Download
https://hal-univ-tours.archives-ouvertes.fr/hal-01870078
Contributor : Patrice Limelette <>
Submitted on : Friday, September 7, 2018 - 10:34:27 AM
Last modification on : Tuesday, April 2, 2019 - 1:35:57 AM
Long-term archiving on: Saturday, December 8, 2018 - 1:59:54 PM

File

limelette-2008-PRB-77-245123.p...
Publisher files allowed on an open archive

Identifiers

Collections

UNIV-TOURS | CNRS | CEA | COMUE-NORMANDIE | ENSICAEN | UNICAEN

Citation

P. Limelette, J. Soret, H. Muguerra, D. Grebille. Magnetoresistance scaling in the layered cobaltate Ca 3 Co 4 O 9. Physical Review B : Condensed matter and materials physics, American Physical Society, 2008, 77 (24), ⟨10.1103/PhysRevB.77.245123⟩. ⟨hal-01870078⟩

Export

BibTeX TEI DC DCterms EndNote

Share

Metrics

Record views

101

Files downloads

133

Contact

Informations

CCSD