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Magnetic order, metamagnetic transitions, and low-temperature spin freezing in Ca2Co2O6: an NMR study
Magnetic order metamagnetic transitions low-temperature spin
2010/11/18
We report on a 59Co NMR investigation of the trigonal cobaltate Ca3Co2O6 carried out on a single crystal, providing precise determinations of the electric field gradient and chemical shift tensors, an...
Confirmation of room-temperature long range magnetic order in GaN:Mn
GaN:Mn Diluted magnetic semiconductor Atomic force microscope
2010/11/23
We propose a method for nano-scale characterization of long range magnetic order in diluted magnetic systems to clarify the origins of the room temperature ferromagnetism. The GaN:Mn thin films are gr...
Metal-Insulator Transition and Magnetic Order in the Pyrochlore Oxide Hg2Ru2O7
pyrochlore structure ruthenium oxide Hg2Ru2O7 NMR metal-insulator transition magnetic magnetic
2010/11/17
We report results of NMR experiments on the ruthenium oxide Hg2Ru2O7 with the py-rochlore structure, which exhibits a metal-insulator transition at TMI = 107 K. In the metallic
phase above TMI, the n...
