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Temperature dependence on mangetic excitations from the high Tc cuprate BSCCO
We plan to continue inelastic neutron scattering measurements on the high Tc cuprate superconductor BSCCO with optimum doping. In the proposed experiment, we will have about 40... -
Spin dynamics of pressure-induced heavy fermion superconductor CeRhGe2
The discovery of unconventional superconductivity (SC) in several heavy fermion (HF) compounds has attracted considerable attention. Recently we have investigated CeTSi3 (T=Rh... -
Search for neutron spin-resonance in the exotic heavy fermion superconductor ...
Neutron spin resonance mode is a common feature in different classes of magnetic superconductors; nonetheless, the microscopic origin of the mode is still unclear. In general,... -
The pressure response of the new superconductor LiFeAs
We will probe the response of the 18K superconductor LiFeAa to pressures of up to 2 GPa in order to investigate the evolution of the crystal structure. In particular we wish to... -
Magnetic fluctuations in the possible spin-triplet superconductor LiFeAs
LiFeAs is one of the newly discovered FeAs superconductors with still large T_c of 18K. First inelastic neutron scattering experiments on powder and on single-crystalline... -
Superconductivity induced changes in the ferromangetic order of Y(1-x)PrxBa2C...
By polarized neutron reflectometry we want to investigate the magnetic field profile in Y(1-x)PrxBa2Cu3O7/La(2/3)Ca(1/3)MnO3 high-Tc superconductor/ferromagnet superlattices. In... -
Probing the superconducting ground state of the centrosymmetric superconducto...
This proposal plans to investigate the superconducting ground state of LaNiGa2 which is a centrosymmetric superconductor with a superconducting transition of ~2K. Heat capacity... -
Spin excitations in the pseudogap region of YBCO6.5 Ortho-II Superconductor
We propose to investigate the spin dynamics in the Ortho-II order YBCO6.5 superconductor at energies above 100 meV. This study will be aimed at searching for the broadening of... -
Structural study on novel iron-based superconductor of CeFeAsO0.80D0.20
Structural study on novel iron-based superconductor of CeFeAsO0.80D0.20 -
Structural study on novel iron-based superconductor of CeFeAsO0.90D0.10
Structural study on novel iron-based superconductor of CeFeAsO0.90D0.10 -
Spin wave in Nd2CuO4-- Determination of the magnetic exchange couplings of th...
Since the discovery of high transition temperature (high Tc) copper oxide, many efforts have been made on the understanding of its electronic and magnetic properties. Although... -
Spin Excitations and "Hourglass" Dispersion in the Model High-Tc superconduct...
The unique "hourglass"-type dispersion observed within several classes of hole-doped cuprates has garnered considerable theoretical and experimental interest. Here we propose to... -
A µSR study of two different phases of the non-centrosymmetric superconductor...
The intermetallic compound, Re3W is a non-centrosymmetric system with large atomic number (Z) for both constituents (75 for Re and 74 for W) and hence is a good candidate for... -
Spin excitations in LiFeAs, a stoichiometric ferropnictide superconductor at ...
We propose to measure the powder-averaged spin excitation spectrum of LiFeAs, a new member of the ferropnictide family of superconductors. This compound is special because it is... -
Low energy spin dynamics of the heavy fermion antiferromagnetic superconducto...
Recently the coexistence of superconductivity (SC) and antiferromagnetic (AFM) ordering has been reported in CeNi0.8Bi2 with TSC = 4.2 K and TN =5 K, which crystallises in the... -
Study of hybridization gap formation in a single crystal of the heavy-Fermion...
The solution of the Anderson lattice model (ALM) leads to two renormalized bands near EF with an energy gap due to hybridization between the 4f- and conduction electrons. The... -
Magnetic excitation spectrum in a new magnetically-ordered Fe-based supercond...
The aim of our experiment is to map out the excitation spectrum of the recently-discovered superconducting AxFe2Se2 system for energy transfers of up to 250 meV. This... -
Copy of: Spin dynamics of pressure-induced heavy fermion superconductor CeRhGe2
The discovery of unconventional superconductivity (SC) in several heavy fermion (HF) compounds has attracted considerable attention. Recently we have investigated CeTSi3 (T=Rh... -
A MuSR study of the non-centrosymmetric superconductor LaPtSi3
Non-centrosymmetric superconductors (NCS) are believed to be good candidates for unconventional superconductivity. In particular, there is the possibility of Cooper pairs with... -
The new perspective for the superconductor
The superconductor theory based on the electron pair is reviewed and several viewpoints are proposed. A demonstrated case reveals the speed of each electron in the electron pair...