Browsing by Author "Ibarra, M R"

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Direct evidence of phase segregation and magnetic-field-induced structural transition in Nd0.5Sr0.5MnO3 by neutron diffraction

Ritter, C; Mahendiran, R; Ibarra, M R; Morellon, L; Maignan, A; Raveau, B; Rao, C N R (American Physical Society, 2000-04-01)

We present direct evidence of die phase segregation and magnetic-field-induced structural transition in Nd0.5Sr0.5MnO3 as proposed earlier [R. Mahendiran et al., Phys. Rev. Lett. 82, 2191 (1999)] for the collapse of the ...
Giant anisotropic magnetostriction in Pr0.5Sr0.5MnO3

Mahendiran, R; Ibarra, M R; Marquina, C; Garcia-Landa, B; Morellon, L; Maignan, A; Raveau, B; Arulraj, A; Rao, C N R (American Institute of Physics, 2003-01-13)

We show that the polycrystalline perovskite antiferromagnet Pr0.5Sr0.5MnO3 exhibits a giant anisotropic magnetostriction (lambda(t)=1.5x10(-3) at T=25 K and H=14.2 T) contrary to much smaller lambda(t) (<0.1x10(-3)) found ...
Structural Instability of the Charge Ordered Compound Nd0.5Sr0.5MnO3 under a Magnetic Field

Mahendiran, R; Ibarra, M R; Maignan, A; Millange, F; Arulraj, A; Mahesh, R; Raveau, B; Rao, C N R (American Physical Society, 1999-03-08)

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 ...

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