164 citations · 806 across the 16 of their papers we have counts for
14 papers · 1 filter
AC susceptibility study of superconducting aluminium-doped silicon carbide
M. Kriener, T. Muranaka, J. Akimitsu +1
In 2007, type-I superconductivity in heavily boron-doped silicon carbide was discovered. The question arose, if it is possible to achieve a superconducting phase by introducing dop…
Specific heat of aluminium-doped superconducting silicon carbide
M. Kriener, T. Muranaka, Y. Kikuchi +2
The discoveries of superconductivity in heavily boron-doped diamond, silicon and silicon carbide renewed the interest in the ground states of charge-carrier doped wide-gap semicond…
Superconductivity in heavily boron-doped silicon carbide
M. Kriener, T. Muranaka, J. Kato +3
The discoveries of superconductivity in heavily boron-doped diamond (C:B) in 2004 and silicon (Si:B) in 2006 renew the interest in the superconducting state of semiconductors. Char…
Superconductivity of hexagonal heavily-boron doped silicon carbide
M. Kriener, T. Muranaka, Z. -A. Ren +3
In 2004 the discovery of superconductivity in heavily boron-doped diamond (C:B) led to an increasing interest in the superconducting phases of wide-gap semiconductors. Subsequently…
Soft-phonon-driven superconductivity in CaAlSi as seen by inelastic x-ray scattering
S. Kuroiwa, A. Q. R. Baron, T. Muranaka +3
Inelastic x-ray scattering and - calculation are applied to investigate the lattice dynamics and electron-phonon coupling of the ternary silicide superconductor CaAlSi…
Specific heat and electronic states of superconducting boron-doped silicon carbide
M. Kriener, Y. Maeno, T. Oguchi +4
The discoveries of superconductivity in the heavily-boron doped semiconductors diamond (C:B) in 2004 and silicon (Si:B) in 2006 have renewed the interest in the physics of the supe…
The enhancement of superconducting transition temperature in yttrium sesquicarbide system, Y2C3, with the maximum Tc of Tc=18K
G. Amano, S. Akutagawa, T. Muranaka +2
We discovered the enhancement of superconducting transition temperature, Tc, in yttrium sesquicarbide system with the maximum Tc of Tc=18K and their superconducting properties were…
Quasiparticle Excitations outside the Vortex Cores in MgB Probed by Muon Spin Rotation
Kazuki Ohishi, Takahiro Muranaka, Jun Akimitsu +3
The magnetic penetration depth in the mixed state of MgB has been determined microscopically from the field distribution around magnetic vortices probed by muon spin rotati…
Manifestation of multiband optical properties of MgB
A. B. Kuz'menko, F. P. Mena, H. J. A. Molegraaf +8
The optical conductivity of MgB has been determined on a dense polycrystalline sample in the spectral range 6 meV - 4.6 eV using a combination of ellipsometric and normal incid…
Micro-Raman scattering investigation of MgB2 and RB2 (R=Al, Mn, Nb and Ti)
N. Ogita, T. Kariya, K. Hiraoka +5
Phonon spectra have been investigated by micro-Raman scattering from 290 to 20K. New peaks at 500 and 674 cm-1 appear below 250K in MgB2. These peaks are explained by the Fermi res…
Optical measurements of the superconducting gap in MgB2
B. Gorshunov, C. A. Kuntscher, P. Haas +6
Far-infrared reflectivity studies on the polycrystalline intermetallic compound MgB_2 with a superconducting transition temperature T_c=39 K were performed at temperatures 20 K to…
Electronic structure of MgB: X-ray emission and absorption studies
E. Z. Kurmaev, I. I. Lyakhovskaya, J. Kortus +8
Measurements of x-ray emission and absorption spectra of the constituents of MgB are presented. The results obtained are in good agreement with calculated x-ray spectra, with d…
Compressibility of the MgB2 Superconductor
K. Prassides, Y. Iwasa, T. Ito +9
Considerable excitement has been caused recently by the discovery that the binary boride system with stoichiometry MgB2 is superconducting at the remarkably high temperature of 39…
Evidence for Strong-coupling S-wave Superconductivity in MgB2 :11B NMR Study
H. Kotegawa, K. Ishida, Y. Kitaoka +2
We have investigated a gap structure in a newly-discovered superconductor, MgB2 through the measurement of 11B nuclear spin-lattice relaxation rate, ^{11}(1/T_1). ^{11}(1/T_1) is p…