Emeritus ProfessorGraduate School of Engineering, Division of Applied Physics , Hokkaido University060-8623 Sapporo, JAPANPhone; +81 011-706-7818Fax; +81 011-706-7293E-mail; email@example.com
Graduation in Physics Department, Hokkaido University of Education, Sapporo(1965). Ph.D. on Department of Physics, Hokkaido University, Sapporo, JAPAN (T. Sambongi and T. Mitsui, 1974).
His research interests concern low-dimensional superconductors and low-dimensional conducting materials which undergo the charge- and spin-density-waves (CDW and SDW) transition, in particular, the electronic and superconducting properties under extreme conditions such as high pressures, low temperatures, high magnetic fields and pursued by combining them.
Selected Publications (2012-1997)
K. Yamaya, S. Takayanagi, and S. Tanda, Mixed bulk-filament nature in superconductivity of the charge-density-wave conductor ZrTe3, Phys. Rev. B85, (2012) 184513.
G. Kumagai, T. Matsuura, K. Ichimura, K. Yamaya, K. Inagaki, and S. Tanda, Topological effects of the superconducting vortex state in a TaSe3 ring crystal, Phys. Rev. B81, (2010) 184506.
Y. Kubo, Y. Sakurai, M. Ito, A. Koizumi, K. Yamaya, Y. Uwatoko, Electron momentum density in the low-dimensional layered system ZrTe3 , J.Phys. Soc.Jpn. 76, (2007)064711.
N. Nishida, N. Mitsu, S. Tanda, K. Yamaya, R.T. Henriques and M. Almeida, Negative differential resistance in CDW nonlinear transport of quasi-one dimensional conductor Per2M(mnt)2 [M=Au, Pt], J. Phys. IV France 131, (2005)129.
K. Yamaya, R. Yomo, K. Inagaki, S. Tanda, M. Abliz, M. gedo and@Y.Uwatoko, Charge Density Wave and pressure-induced reentrant superconductivity in ZrTe3, @ J. Phys. IV France 131, (2005)343.
N. Mitsu, K. Yamaya, M. Almeida and R.T. Henriques, Pressure effect on Charge-Density-Wave in Per2M(mnt)2 (M=Pt, Au), J. Phys. Chem. Solids, 66, (2005)1567.
S. Yasuzuka, K. Yamaya, Y. Okajima, S. Tanda, T. Nakanishi, N.@Takeshita, H. Mitamura, and N. Mo^ri, Violation of Kohler's rule in the magnetoresistance near the lower Charge-Density-Wave instability in NbSe3, J. Phys. Soc. Jpn., 74, (2005)61563.
S. Yasuzuka, K. Murata, T. Fujimoto, M. Shimotori, and K. Yamaya, Coexistence of the upper Charge-Density-Wave and the superconductivity in NbSe3, J. Phys. Soc. Jpn., 74, (2005)1782.
T. Yokoya, T. Kiss, A. Chainani, S. Shin, and K. Yamaya, Role of Charge-Density-Wave fluctuations on the spectral function in a metallic charge-density-wave system, Phys. Rev. B, 71, (2005)R140504.
T. Yamaguchi, S. Uji, K. Enomoto, T. Konoike, T. Terashima, M. Nishimura, T. Tsuneta, K. Inagaki, Satoshi Tanda, and K. Yamaya, Finite-size effects on transverse magnetoresistance of NbSe3, Phys. Rev. B, 71, (2005)134409.
R. Yomo, K. Yamaya, M. Abliz, M. Hedo, Y. Uwatoko, Pressure effect on competition between Charge Density Wave and superconductivity in ZrTe3: Appearance of pressure-induced reentrant superconductivity, Phys. Rev. B, 71, (2005)132508.
K. Inagaki, T. Toshima, S. Tanda, K. Yamaya, and S. Uji, Fabrication of nanoscale Charge Density Wave systems, Appl. Phys. Letts., 86, (2005)1.
T. Hiroya, K. Inagaki, S. Tanda, T. Tsuneta and K. Yamaya, Conductive oxide cantilever for cryogenic nano-potentiometry, Physica B, 329-333, (2003)1635.
T. Matsuura, S. Tanda, K. Asada, Y. Sakai, T. Tsuneta, K. Inagaki and K. Yamaya, Structural and electrical properties of NbSe3 ring crystals, Physica B, 329-333, (2003)1550.
T. Tsuneta, S. Tanda, K. Inagaki, Y. Okajima, and K. Yamaya, New crystal topologies and the Charge-Density-Wave in NbSe3, Physica B, 329, (2003)1544.
S. Mori, Y. Okajima, K. Inagaki, S. Tanda, and K. Yamaya, Low-temperature specific heat in the Charge-Density-Wave states in ZrTe3 and NbTe4, Physica B, 329, (2003)1298.
K. Igarashi, S. Yasuzuka, K. Inagaki, Y. Okajima and S. Tanda, M. Hedo, Y. Uwatoko and K. Yamaya, Charge Density Wave, superconductivity, and non-metallic behavior under high pressure in ZrTe3, J. Phys. IV France 12, (2002)Pr9-97.
S. Tanda, T. Tsuneta, Y. Okajima, K. Inagaki, K. Yamaya, N. Hatakenaka, A Mobius strip of single crystals, Nature, 417/23 May, (2002)397.
O. Anegawa, Y. Okajima, S. Tanda, and K. Yamaya, Change in stripe order by spin substitution from S=0 to S=1/2 or 1 in La1.0875Ba0.125Cu1-yMyO4 (M=Zn or Ni), Solid Sate Commun., 121, (2002)597.
S. Yasuzuku, Y. Okajima, S. Tanda, K. Yamaya, T. Nakanishi, N. Takeshita and N. Mo^ri, Novel quantum state on the verge of destruction of the lower Charge-Density-Wave phase in NbSe3, J. Phys. and Chem. Solids, 63, (2002)1003.
K. Yamaya, M. Yoneda, S. Yasuzuka, Y. Okajima, and S. Tanda, Pressure effect on Charge-Density-Wave and superconductivity in ZrTe3, J. Physics, Condens. Matter, 14, (2002)10767.
Effect of spin substitution on stripe order in La1.875Ba0.125Cu1-yMyO4(M=Zn, Ni), Phys. Rev.B 68 (2001)140506(R).
O. Anegawa, Y. Okajima, S. Tanda, and K.Yamaya,
S. Yasuzuku, Y. Okajima, S. Tanda, N. Takeshita and N. Mo^ri and K. Yamaya, Pressure-induced magnetoresistance in NbSe3, J. Phys. Soc. Jpn. 69 (2000) 3470.
O. Anegawa, Y. Okajima, S. Tanda, and K.Yamaya, Effect of Zn- or Ni-substitution on specific heat in La1.875Ba0.125CuO4: role of spin interaction in stripe phase, Physica B 281-282 (2000) 918.
Y. Okajima, H. Kawamoto, M. Shiobara, K. Matsuda, S. Tanda, and K. Yamaya, Charge-Density-Wave sliding in ring-shaped crystals of NbSe3, Physica B 284-288 (2000) 1659.
K. Matsuda, S. Tanda, M. Shiobara, Y. Okajima, K. Yamaya and N. Hatakenaka, Quantum collective dynamics of Charge-Density-Waves in quasi-one-dimensional orthorhombic TaS3, J. Phys. Soc. Jpn. 69 (2000) 1251.
H. Mayama, Y. Okajima, S. Tanda, and K. Yamaya, Nature of the phase transition of superconducting oxides Bi1.8Pb0.3Sr1.9CuOy studied by Specific heat, Physica C 341-348 (2000)923.
S. Yasuzuku, Y. Okajima, S. Tanda, K. Yamaya, N. Takeshita and N. Mo^ri, Pressure effect on large magnetoresistance in the Lower Charge-Density-Wave transition of NbSe3, Phys. Rev. B 60 (1999) 4406.
S. Yasuzuku, Y. Okajima, S. Tanda, K. Yamaya, N. Takeshita and N. Mo^ri, Effect of high magnetic field on Charge-Density-Wave state in NbSe3, Journal of Superconductivity, 12(1999) 597.
S. Yasuzuku, Y. Okajima, S. Tanda, K. Yamaya, N. Takeshita and N. Mo^ri, Pressure effect on the CDW transitions and magnetoresistances in NbSe3, J. Phys. IV France 9 (1999) Pr10-207.
S. Tanda, H. Kawamoto, M. Shiobara, Y. Okajima, and K. Yamaya, Ring-shaped crystals of NbSe3 and TaSe3, J. Phys. IV. France, 9, (1999)Pr10-379.
H. Mayama, Y. Okajima, and K. Yamaya, Specific-heat anomaly of Overdoped Bi1.8Pb0.3Sr1.9CuOy, Phys. Rev. B, 57(22)(1998) 14470.
Y. Okajima, M. Yamada and K. Yamaya, Magnetic properties of La2CuO4 with slight amounts of excess Oxygen, Physica C, 282-287, (1997)1319.
H. Mayama, Y. Okajima and K. Yamaya, Anomalous electronic specific heat of Bi1.8Pb0.3Sr1.9CuOy, Physica C 282-287 (1997) 1419.
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