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Wagner, K.E. (author), Morosan, E. (author), Hor, Y.S. (author), Tao, J. (author), Zhu, Y. (author), Sanders, T. (author), McQueen, T.M. (author), Zandbergen, H.W. (author), Williams, A.J. (author), West, D.V. (author), Cava, R.J. (author)
We report the characterization of layered 2H-type CuxTaS2 for 0?x?0.12. The charge density wave (CDW), at 70 K for TaS2, is destabilized with Cu doping. The sub-1 K superconducting transition in undoped 2H-TaS2 jumps quickly to 2.5 K at low x, increases to 4.5 K at the optimal composition Cu0.04TaS2, and then decreases at higher x. The...
journal article 2008
document
Morosan, E. (author), Zandbergen, H.W. (author), Li, L. (author), Lee, M. (author), Checkelsky, J.G. (author), Heinrich, M. (author), Siegrist, T. (author), Ong, N.P. (author), Cava1, R.J. (author)
journal article 2007
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Klimczuk, T. (author), Xu, Q. (author), Morosan, E. (author), Thompson, J.D. (author), Zandbergen, H.W. (author), Cava, R.J. (author)
Mg10Ir19B16, a previously unreported compound in the Mg-Ir-B chemical system, is found to be superconducting at temperatures near 5 K. The fact that the compound exhibits a range of superconducting temperatures between 4 and 5 K suggests that a range of stoichiometries is allowed, though no structural evidence for this is observed. The compound...
journal article 2006
document
Bos, J.W.G. (author), Lee, M. (author), Morosan, E. (author), Zandbergen, H.W. (author), Lee, W.L. (author), Ong, N.P. (author), Cava, R.J. (author)
Ferromagnetism is observed below 10 K in [Bi0.75Te0.125Mn0.125]Te. This material has the BiTe structure, which is made from the stacking of two Te-Bi-Te-Bi-Te blocks and one Bi-Bi block per unit cell. Crystal structure analysis shows that Mn is localized in the Bi2 blocks, and is accompanied by an equal amount of TeBi antisite occupancy in the...
journal article 2006
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