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11 papers · 1 filter
Specific Heat and Superfluid Density for Possible Two Different Superconducting States in NaxCoO2.yH2O
Masahito Mochizuki, H. Q. Yuan, Masao Ogata
Several thermodynamic measurements for the cobaltate superconductor, NaxCoO2.yH2O, have so far provided results inconsistent with each other. In order to solve the discrepancies, w…
CoO2-Layer-Thickness Dependence of Magnetic Properties and Possible Two Different Superconducting States in NaxCoO2.yH2O
Masahito Mochizuki, Masao Ogata
In order to understand the experimentally proposed phase diagrams of NaxCoO2.yH2O, we theoretically study the CoO2-layer-thickness dependence of magnetic and superconducting (SC) p…
Observation and resonant x-ray optical interpretation of multi-atom resonant photoemission effects in O 1s emission from NiO
N. Mannella, S. -H. Yang, B. S. Mun +10
We present experimental and theoretical results for the variation of the O 1s intensity from a NiO(001) surface as the excitation energy is varied through the Ni 2p1/2,3/2 absorpti…
Deformation of Electronic Structures Due to CoO6 Distortion and Phase Diagrams of NaxCoO2.yH2O
Masahito Mochizuki, Masao Ogata
Motivated by recently reported experimental phase diagrams, we study the effects of CoO6 distortion on the electronic structure in NaxCoO2.yH2O. We construct the multiband tight-bi…
New insight into the low-energy He spectrum
M. S. Golovkov, L. V. Grigorenko, A. S. Fomichev +18
The spectrum of He was studied by means of the He(,)He reaction at a lab energy of 25 MeV/n and small center of mass (c.m.) angles. Energy and angular correlation…
Evolution of the energy spacing in odd-mass K, Cl and P isotopes for
A. Gade, B. A. Brown, D. Bazin +16
The energy of the first excited state in the neutron-rich N=28 nucleus 45Cl has been established via in-beam gamma-ray spectroscopy following proton removal. This energy value comp…