Publications

Superconducting Materials Group - Home Page

Publications List

1999

(1) H. Ihara, Y. Tanaka, A. Iyo, H. Kito, N. Terada, M. Tokumoto, K. Ishida, Y. Sekita, H. Yamamoto, K. Hayashi, N.A. Khan, A. Sundaresan, J. Nie, T. Kojima, E. Harashima, Y. Ishiura, F. Tateai and M. Kawamura

ETL

Creation of the Best Performance High-T_c Superconductor Based on Cu-1234

Bulletin of ETL 63 (1999) 67-75

(2) H. Ihara, Y. Sekita, H. Tateai, N.A.Khan, K. Ishida, E. Harashima,　T. Kojima, H. Yamamoto, K. Tanaka, Y. Tanaka, N. Terada and H. Obara

ETL

Superconducting Properties of Cu_1-xTl_x-1223[Ci_1-xTl_x(Ba,Sr)₂Ca₂Cu₃O_10-y] Thin Films

IEEE Trans. Appl. Superconductivity 9(1999) 1551

(3) Y. Tokunaga¹, K. Ishida¹, Y. Kitaoka¹ and H. Ihara²

¹Osaka Univ., ²ETL

Double T_c's multilayered Cu-based high temperature superconductor (in Japanese)

BUTSURI 54 (1999) 730-733

(4) Y. Tokunaga¹, H. Kotegawa¹, K. Ishida¹, G. -q. Zheng¹, Y. Kitaoka^1*, K. Tokiwa², A. Iyo^2* and H. Ihara^2*

^{^{^{^{¹Osaka
Univ., ²ETL, ^*CREST}
Carrier
distribution and superconductivity in multilayer high-T_c cuprates proved by
⁶³Cu
NMR
^{J.
of Low Temp. Phys. 117 (1999) 473

(5)
T. Watanabe¹, H. Kashiwagi¹, S. Miyashita¹,
N. Ichioka¹, K. Tokiwa¹, A. Iyo², Y. Tanaka²,
S.K.Agarwal^2,3 and H. Ihara²
¹SUT, ²ETL, ³NPL,
India}
Synthesis
and Physical Properties of(Cu,M)Ba₂Ca₃Cu₄O_z(M=C,Mg,Ni,Al,Zn,Tl)
^{J.
of Low Temp. Phys. 117 (1999) 753

(6)
K. Tokiwa¹, C. Kunugi¹, H. Kashiwagi¹, T.
Nibe¹, H. Aota¹, N. Ichioka¹, T. Watanabe¹,
A. Iyo², Y. Tanaka², S.K.Agarwal^2,3
and H. Ihara²
¹SUT,
²ETL, ³NPL,
India}
Pressure
Effects on Resistive Transition in(Cu,M)Ba₂Ca₃Cu₄O_y(M=C,Al,Tl,Mg,Zn)
Superconductors
^{J.
of Low Temp. Phys. 117 (1999) 903

2000

(7)
Y. Tokunaga¹, K. Ishida¹, Y. Kitaoka^1,3, K.
Asayama¹, K. Tokiwa^2,3, A. Iyo^2,3 and H. Ihara^2,3
¹Osaka Univ.,
²ETL, ³CREST}
Effect of carrier distribution on superconducting characteristics of
multilayered high-T_c cuprate (Cu_0.6C_0.4)Ba₂Ca₃Cu₄O
: ⁶³Cu-NMR study
^{Phys.Rev. B
61 (2000) 9707-9710

(8)
H. Ihara
ETL, CREST, Society for the Energy Super Highway}
The Possibility of The Best Performance Superconductor based on Cu-1234
^{Solid State Physics
35 (2000) 301-312

(9)
K. Tokiwa^a, H. Aota^a, C.Kunugi^a, K. Tanaka^b,
Y. Tanaka^b, A. Iyo^b, H. Ihara^b
and T. Watanbe^a}
^aSUT,^bETL}
Pressure effect on
T_c in (Cu, Tl)Ba₂Ca₂Cu₃O_y
superconductor
^{Physica B
284-288 (2000) 1077-1078

(10) K. Tanaka^a,b, A. Iyo^a, Y. Tanaka^a,
K. Tokiwa^c, M. Tokumoto^a, M. Ariyama^d, T.
Tsukamoto^b, T. Watanabe^c, H. Ihara^a}
^aETL, ^bDepartment of Applied Physics,
SUT, ^cDepartment
of Applied Electronics, SUT, ^dDepartment of Physics, SUT}
Low superconducting anisotropy (γ=5～11)
in (Cu,Tl)-1223 superconductors
^{Physica B
284-288 (2000) 1081-1082

(11) K.
Tanaka^a,b, A. Iyo^a, Y. Tanaka^a,
K. Tokiwa^c, N. Terada^a, M. Tokumoto^a, M.
Ariyama^d, T. Tsukamoto^b, S. Miyashita^c, T.
Watanabe^c and H. Ihara^a
^aETL, ^bDepartment of Applied Physics,
SUT, ^cDepartment
of Applied Electronics, SUT,
^dDepartment of Physics, SUT}
T_c beyond 130K on a high-pressure synthesized
(Cu,Tl)-1223
superconductor
^{Physica B
284-288 (2000) 1079-1080

(12) A. Iyo, Y. Tanaka, N. Terada, M. Tokumoto, H. Ihara
ETL}
Annealing effect on the irreversibility line in (Cu,
C)Ba₂Ca₂Cu₃O_y
^{Physica B 284-288 (2000) 867-868

(13) T.
Watanabe^a, S. Miyashita^a, N. Ichioka^a,
K. Tokiwa^a, K. Tanaka^b, A. Iyo^c, Y. Tanaka^c
and H. Ihara^c}
^aDepartment of Applied Electronics,
SUT, ^bDepartment of
Applied Physics, SUT, ^cETL}

Career doping and superconducting properties in Cu-1234 and CuTl-1223 superconductors

^{Physica B
284-288 (2000) 1075-1076

(14) H.
Ihara^a, K. Tanaka^a, Y. Tanaka^a,
A. Iyo^a, N. Terada^a, M. Tokumoto^a, F.
Tateai^a, M. Kawamura^a, K. Ishida^a, S.
Miyashita^b and T. Watanabe^b}

^aETL, ^bSUT

Selective reduction for hole-doping in Cu_1-xTl_x-1223 (Cu_1-xTl_xBa₂Ca₂Cu₃O_10-y) system with T_c>132K

^{Physica B
284-288 (2000) 1085-1086

(15) N. Hamada^a and H. Ihara^b
^aSUT,
^bETL}

Electronic band structure of CuBa₂Ca₃Cu₄O_10+x (x=0,1)

^{Physica B 284-288 (2000) 1073-1074

(16) N.
Terada^a,b, K. Tanaka^a,b, Y. Tanaka^a,b,
A. Iyo^a,b, K. Tokiwa^b,c, T. Watanabe^b,c and
H. Ihara^a,b
^aETL,
^bCREST, ^cSUT}

Photoemission study of chemical bond nature of (Cu,Tl)-1223 with T_c above 130K

^{Physica B
284-288 (2000) 1083-1084

(17) H. Ihara^a, A. Iyo^a, Y. Tanaka^a, N.
Terada^a, K. Tokiwa^b, T. Watanabe^b, Y.
Tokunaga^c, K. Ishida^c, Y. Kitaoka^c and N.
Hamada^b
^aETL,
bSUT, ^cOsaka Univ.}

Selective-over-doping in Cu-1234（CuBa₂Ca₃Cu₄O_12-y）system with high T_c>116K and low superconducting anisotropy 1.6

^{Physica B
292 (2000) 238-240

(18) H. Ihara, K. Tanaka, Y. Tanaka, A. Iyo, N. Terada, M.
Tokumoto, M. Ariyama, K. Ishida, I. Hase, N. Hamada¹, S. Miyashita¹,
K. Tokiwa¹ and T. Watanabe¹
ETL,
¹SUT, CREST}

Mechanism of T_c Enhancement in Cu_1-xTl_x-1234 and -1223 System with T_c>130K

^{Physica C
341-348 (2000) 487-488

(19) N. Terada, T.
Fukida, K. Obara and H. Ihara}

Control of self-doping in multi-layered high temperature superconductors for high T_c

^{Proc. 12th Symp. Mat. Res. Soc. Japan, 132

2001

(20) H. Kotegawa^a, Y. Tokunaga^a,b, K. Ishida^a,
G.-q. Zheng^a, Y. Kitaoka^a,b, K. Asayama^a,
H. Kito^b,c, A. Iyo^b,c, H. Ihara^b,c, K.
Tanaka^d, K. Tokiwa^b,d and T. Watanabe^b,d}

^aOsaka Univ., ^bCREST, ^cETL, ^dSUT

NMR study of carrier distribution and superconductivity in multilayered high-T_c cuprates

^{Journal of Physics and Chemistry of Solids 62 (2001) 171-175

(21) K.
Tanaka^1,2, A. Iyo¹, N. Terada¹,
K. Tokiwa³, S. Miyashita³, Y. Tanaka¹, T.
Tsukamono², S.K.Agarwal^1,4, T. Watanabe³
and H. Ihara¹
¹ETL, ²Department of Applied Physics,
SUT, ³Department
of Applied Electronics, SUT, ⁴NPL, India}

Tl-valence change and T_c enhancement (>130K) in (Cu,Tl)Ba₂Ca₂Cu₃O_y due to nitrogen annealing

^{Physical Review B
63 (2001) 064508

(22) Y.
Tanaka^1,2, A. Iyo^1,2, N. Shirakawa¹,
M. Ariyama³, M. Tokumoto^1,2, S. I. Ikeda¹
and H. Ihara^1,2
¹ETL,
²CREST, ³SUT}

Specific Heat Study on Cu_xBa₂Ca_n-1Cu_nO_y

^{J. of the Physical Society of Japan 70 (2001) 329-332

(23)
H. Ihara}

Introduction of research group JST-CREST, (ETL) Team for development of the best performance superconductor

^{Trans.
IEE of Japan A 121-A (2001) 497

(24)
A. Crisan, A. Iyo, Y. Tanaka, M. Hirai, M. Tokumoto and H. Ihara}

Superconducting properties from AC susceptibility and harmonic generation in CuBa₂Ca₃Cu₄O_y bulk superconductors

^{Physica
C 353 (2001) 227

(25)
H.Ihara^1,2,3}

Solution of Physical Problems for the 3rd Generation High-T_c Superconductor Based on Cu-1234 System

^{¹ETL,
²CREST, ³Assoc.Energy
Super-Highway

In
press
(28)
J. C. Nie, Y. Sekita, A. Sundaresan, K. Hayashi, Y. Ishiura and H. Ihara}

Stoichiometry and thickness distribution of BaCuO₂ and CaCuO₂ thin films by off-axis RF sputtering

^{J.
of Applied Physics, in press

(28)
N. Terada, A. Iyo, Y. Tanaka, K. Obara and H. Ihara}

Photoemission Study of (Cu, Tl)-1223 and Tl-1223 with T_c above 130 K

^{IEEE
Transactions on Applied Superconductivity vol.11, in press

(29)
N. Terada, S. Ikegawa, Y. Motoi, K. Obara and H. Ihara}

Photoemission Study of Chemical Bond Nature of Pb-3212 Epitaxial Films

^{IEEE
Transactions on Applied Superconductivity vol.11, in press

(30)
N. Terada, T. Fukida, T. Hayashi, A. Iyo*, Y. Tanaka, Y. Kinoue, K. Obara and H.
Ihara}

Photoemission Study of Electronic Structure of Tl-1223 Superconductors Synthesized under Ambient- and High-Pressure

^{Trans.
Mat. Res. Japan, in press

(31)
H. Kotegawa, Y. Tokunaga, K. Ishida, G. –q. Zheng, Y. Kitaoka, H. Kito, A.
Iyo, K. Tokiwa, T. Watanabe and H. Ihara}

Unusual magnetic and superconducting characteristics in multilayered high-T_c cuprates : A ⁶³Cu-NMR study

^{Physical
Review B, in press

(32)
Y. Tanaka, A. Iyo, N. Shirakawa, M. Ariyama, M. Tokumoto, S. I. Ikeda and H.
Ihara}

Specific Heat Study on Cu_xBa₂Ca_n-1Cu_nO_y

^{Physica
C, in press

(33)
A. Iyo, Y. Aizawa, Y. Tanaka, M. Tokumoto and H. Ihara}

High-pressure synthesis of TlBa₂Ca_n-1Cu_nO_y (n=3 and 4) with T_c=133.5 K (n=3) and 127 K (n=4)

^{Physica
C, in press

(34)
H. Kito, A.Iyo, M. Tokumoto, S. Okayasu and H. Ihara}

Effect of the Neutron Irradiation of the High Temperature superconductor (Cu,C)Ba₂Ca_n-1Cu_nO_2n+4-δ (n=3,4 and 5)

^{Physica
C, in press

(35)
I. Hase, N. Hamada, A. Iyo, N. Terada, Y. Tanaka and H. Ihara}

Carrier Reentrance by selective reduction in Tl-1223 system

^{Physica
C, in press

(36)
N. Hamada and H. Ihara}

Electronic Band Structures of CuBa₂Ca_n-1Cu_nO_2n+2 and CuBa₂Ca_n-1Cu_nO_2n+1F (n=3 - 5)

^{Physica
C, in press

(37)
A. Sundaresan, M. Hirai, J. C. Nie, K. Hayashi, Y. Ishiura and H. Ihara}

Preparation of (Cu_1-xM_x)Ba₂Ca₃Cu₄O_y Superlattice thin film by Self Assembling Epitaxy (SAE) Method

^{Physica
C, in press

(38)
J. C. Nie, A. Sundaresan, K. Hayashi, Y. Ishiura, M. Hirai, Y. Tanaka, A. Iyo,
H. Kito and H. Ihara}

(CaCuO₂)_m/(Sr_xCa_1-xCuO₂)_n superlattice growth by reactive sputtering

^{Physica
C, in press

(39)
H. Ihara}

How to Achieve the Best Performance Superconductor based on Cu-1234

^{Physica
C, in press

(40)
Y. Tanaka}

Phase instability in multi-band superconductor

^{J.
of the Physical Society of Japan, in press}