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Title: Structural Instability of the Charge Ordered Compound Nd0.5Sr0.5MnO3 under a Magnetic Field
Authors: Mahendiran, R
Ibarra, M R
Maignan, A
Millange, F
Arulraj, A
Mahesh, R
Raveau, B
Rao, C N R
Keywords: Colossal-Magnetoresistance
Issue Date: 8-Mar-1999
Publisher: American Physical Society
Citation: Physical Review Letters 82(10), 2191-2194 (1999)
Abstract: We report an anomalous magnetostriction behavior of the charge ordered compound Nd0.5Sr0.5MnO3. We have found that the applied magnetic field not only gives rise to a large negative magnetoresistance but also produces a huge positive magnetovolume effect. This unusual effect is explained considering that the applied magnetic field induces a structural transition at which the volume drastically increases. This effect is also seen in the anisotropic magnetostriction which shows clear anomalies at the field induced transition.
Other Identifiers: 0031-9007
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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