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= 0.4) single crystals studied by Mn-55 and As-75 NMR

Title= 0.4) single crystals studied by Mn-55 and As-75 NMR
Publication TypeJournal Article
Year of Publication2013
AuthorsYeninas, S, Pandey, A, Ogloblichev, V, Mikhalev, K, Johnston, DC, Furukawa, Y
JournalPhysical Review B
Date Published12
Type of ArticleArticle
ISBN Number1098-0121
Accession NumberWOS:000328888300001
Keywordsla1-xsrxtio3, nuclear-magnetic-resonance, spin-lattice relaxation

0.01, similar Mn-55 ZFNMR spectra were observed and the AFM state was revealed to be robust up to x = 0.4 with the ordered moment nearly independent of x. The nuclear spin-lattice relaxation rates (1/T-1) for both nuclei in the doped samples follow the Korringa relation T1T = const, indicating a metallic state. This confirms the coexistence of AFM ordered localized Mn spins and conduction carriers from a microscopic point of view. From the x dependence of (T1T)(-1/2) for both nuclei, we conclude that this transition is caused by vanishing of the hole concentration as the transition is approached from the metallic side.

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