Singularities of magnetic and elastic characteristics of La2/3Ba1/3MnO3: Analysis of martensitic kinetics |
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| Authors: | E.L. Fertman A.B. Beznosov V.A. Desnenko L.N. Pal-Val P.P. Pal-Val D.D. Khalyavin |
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| Affiliation: | 1. B. Verkin Institute for Low Temperature Physics and Engineering NASU, 47 Lenin Ave., Kharkov 61103, Ukraine;2. Institute of Solid State and Semiconductor Physics NASB, 17 P. Brovka str., Minsk 220072, Belarus |
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| Abstract: | A coordinated temperature behavior of magnetic susceptibility and internal friction has been observed in the La2/3Ba1/3MnO3 manganite in the temperature region of the crystal phase separation 5–340 K. Stepwise temperature behavior of the susceptibility of the single crystal sample and corresponding singular behavior of the internal friction in the polycrystalline manganite have been found. These small-scale features of the temperature dependences of the susceptibility and the internal friction are considered to be a reflection of martensitic kinetics of the structural phase transformation R3¯c↔Imma in the 200 K temperature region. |
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| Keywords: | 75.30.&minus m 81.30.Kf 62.40.+i. |
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