Govindaraj, R. ; Sundar, C. S. (2004) Linear relationship between magnetic hyperfine field and electric-field gradient at Mn sites in lanthanum strontium manganite Physical Review B: Condensed Matter and Materials Physics, 70 (22). 220405_1-220405_4. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v70/i22/e220405
Related URL: http://dx.doi.org/10.1103/PhysRevB.70.220405
Abstract
Time differential perturbed Angular correlation measurements in La0.7Sr0.3Mn0.995Hf0.005O3, using 181Hf/Ta probe nuclei, reveal the presence of two distinct hyperfine components, identified with Mn4+ rich and deficient sites. Based on measurements across the Ferromagnetic to Paramagnetic transition, under external magnetic field and with varying oxygen stoichiometry, a linear correlation between the Larmor precession frequency and the quadrupole frequency is deduced. This points to an interesting facet of the interrelationship between the spin, charge, and orbitals in manganites.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 53188 |
| Deposited On: | 05 Aug 2011 07:57 |
| Last Modified: | 05 Aug 2011 07:57 |
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