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Evidence for the FFLO state in CeCoIn_5 from penetration depth measurements
C. Martin, C. C. Agosta, S. W. Tozer +4
We report penetration depth and resistivity measurements on the heavy fermion superconductor CeCoIn_5 using a self resonant tank circuit based on a tunnel diode oscillator. For mag…
Large positive magnetocaloric effect in a perovskite manganite
R. Mahendiran, B. G. Ueland, P. Schiffer +6
We investigate the magnetothermodynamic properties of the perovskite manganite Pr0.46Sr0.54MnO3. Our data imply that the paramagnetic to antiferromagnetic transition at TN = 210 K…
Critical field and Shubnikov-de Haas oscillations of k-(ET)2Cu(NCS)2 under pressure
C. Martin, C. C. Agosta, S. W. Tozer +3
A tuned tank circuit in combination with a nonmetallic diamond anvil cell has been successfully used to measure the change in critical field with angle in k-(ET)2Cu(NCS)2 at pressu…
Relaxor ferromagnetic behavior below the antiferromagnetic transition in La0.5Ca0.5MnO3
R. Mahendiran, A. Maignan, C. Martin +2
A detailed reinvestigation of magnetization in La0.5Ca0.5MnO3 reveals that although a field of H = 7 T applied at T = 5 K after zero field cooling is insufficient to convert the lo…