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20 papers · 1 filter
Bayesian Hamiltonian Selection in X-ray Photoelectron Spectroscopy
Yoh-ichi Mototake, Masaichiro Mizumaki, Ichiro Akai +1
Core-level X-ray photoelectron spectroscopy (XPS) is a useful measurement technique for investigating the electronic states of a strongly correlated electron system. Usually, to ex…
Spectroscopic signature of trimer Mott insulator and charge disproportionation in BaIrO
R. Okazaki, S. Ito, K. Tanabe +4
We have measured the reflectivity spectra of the barium iridate BaIrO, the crystal structure of which consists of characteristic IrO trimers. In the high-temper…
Superconductivity of platinum hydride
Takahiro Matsuoka, Masahiro Hishida, Keiji Kuno +5
We report the ac magnetic susceptibility, electrical resistance, and X-ray diffraction measurements of platinum hydride (PtHx) in diamond anvil cells, which reveal its superconduct…
Ultrafast demagnetization of Pt magnetic moment in L1-FePt probed by hard x-ray free electron laser
Kohei Yamamoto, Yuya Kubota, Motohiro Suzuki +15
We demonstrate ultrafast magnetization dynamics in a 5d transition metal using circularly-polarized x-ray free electron laser in the hard x-ray region. A decay time of light-induce…
Evidence of a structural quantum critical point in (CaSr)RhSn from a lattice dynamics study
Y. W. Cheung, Y. J. Hu, M. Imai +11
Approaching a quantum critical point (QCP) has been an effective route to stabilize superconductivity. While the role of magnetic QCPs has been extensively discussed, similar explo…
Synchrotron radiation microtomography of brain hemisphere and spinal cord of a mouse model of multiple sclerosis revealed a correlation between capillary dilation and clinical score
Rino Saiga, Masato Hoshino, Akihisa Takeuchi +7
Multiple sclerosis is a neurological disorder in which the myelin sheaths of axons are damaged by the immune response. We report here a three-dimensional structural analysis of bra…