• 3794 引用
  • 35 h指数
1987 …2020

年単位の研究成果

Pureに変更を加えた場合、すぐここに表示されます。

研究成果

フィルター
Article
1996

New homologous series of superconducting cuprates with the 22(n - 1)n structure, (Hg1-xTlx)2Ba2Can-1CunOy (x approx. 0.4, n = 3,4)

Tatsuki, T., Tokiwa-Yamamoto, A., Fukuoka, A., Tamura, T., Wu, X. J., Moriwaki, Y., Usami, R., Adachi, S., Tanabe, K. & Tanaka, S., 1996 1 1, : : Japanese Journal of Applied Physics, Part 2: Letters. 35, 2 B, p. L205-L208

研究成果: Article

22 引用 (Scopus)

Structural and superconducting properties of (Hg1 - XTlx)2Ba2Can-1Cu nOy (n = 3, 4) superconductors prepared under high pressure

Tatsuki, T., Tokiwa-Yamamoto, A., Tamura, T., Wu, X. J., Moriwaki, Y., Adachi, S. & Tanabe, K., 1996 12 15, : : Physica C: Superconductivity and its applications. 273, 1-2, p. 65-71 7 p.

研究成果: Article

8 引用 (Scopus)
19 引用 (Scopus)

Synthesis of HgBa2Ca3Cu4Oy under ambient pressure

Usami, R., Adachi, S., Itoh, M., Tatsuki, T., Tokiwa-Yamamoto, A. & Tanabe, K., 1996 5 10, : : Physica C: Superconductivity and its applications. 262, 1-2, p. 21-26 6 p.

研究成果: Article

16 引用 (Scopus)

Thermogravimetric study on HgBa2Can-1CunO2(n+1)+δ (n = 1, 2, 3) superconductors at various oxygen partial pressures

Tokiwa-Yamamoto, A., Fukuoka, A., Itoh, M., Adachi, S., Yamauchi, H. & Tanabe, K., 1996 10 1, : : Physica C: Superconductivity and its applications. 269, 3-4, p. 354-360 7 p.

研究成果: Article

27 引用 (Scopus)
1994
71 引用 (Scopus)

Irreversibility line for a Pb-doped Hg-Ba-Ca-Cu-O superconductor

Isawa, K., Higuchi, T., MacHi, T., Tokiwa-Yamamoto, A., Adachi, S., Murakami, M. & Yamauchi, H., 1994 12 1, : : Applied Physics Letters. 64, 10, p. 1301-1303 3 p.

研究成果: Article

22 引用 (Scopus)

Pb-doping effect on irreversibility fields of HgBa2Ca 2Cu3O8+δ superconductors

Isawa, K., Tokiwa-Yamamoto, A., Itoh, M., Adachi, S. & Yamauchi, H., 1994 12 1, : : Applied Physics Letters. 65, 16, p. 2105-2107 3 p.

研究成果: Article

20 引用 (Scopus)

Pressure effect on critical temperature of HgBa2CaCu2O6+δ

Kosuge, M., Tokiwa-Yamamoto, A., Yamauchi, H. & Koshizuka, N., 1994 5 20, : : Physica C: Superconductivity and its applications. 225, 3-4, p. 218-221 4 p.

研究成果: Article

8 引用 (Scopus)

Structural changes of PbBaSr(Y0.8Ca0.2)Cu3O7+z on oxygen introduction into block layers

Ishigaki, T., Tokiwa-Yamamoto, A., Izumi, F., Kamiyama, T., Asano, H. & Syono, Y., 1994 10 1, : : Physica C: Superconductivity and its applications. 231, 3-4, p. 357-366 10 p.

研究成果: Article

5 引用 (Scopus)

Synthesis of nearly single-phase (Hg, Pb)Ba2Ca2Cu3O8+δ superconductors

Isawa, K., Tokiwa-Yamamoto, A., Itoh, M., Adachi, S. & Yamauchi, H., 1994 12, : : Physica C: Superconductivity and its applications. 235-240, PART 2, p. 913-914 2 p.

研究成果: Article

1993

Annealing effects on the Meissner signals from HgBaCaCuO superconductors

Adachi, S., Tokiwa-Yamamoto, A., Itoh, M., Isawa, K. & Yamauchi, H., 1993 9 10, : : Physica C: Superconductivity and its applications. 214, 3-4, p. 313-315 3 p.

研究成果: Article

26 引用 (Scopus)

Composition, crystal structure and superconducting properties of HgBaCuO and HgBaCaCuO superconductors

Tokiwa-Yamamoto, A., Isawa, K., Itoh, M., Adachi, S. & Yamauchi, H., 1993 11 1, : : Physica C: Superconductivity and its applications. 216, 3-4, p. 250-256 7 p.

研究成果: Article

44 引用 (Scopus)
10 引用 (Scopus)

Increase of Tc in HgBa2CuOy by reducing treatment

Itoh, M., Tokiwa-Yamamoto, A., Adachi, S. & Yamauchi, H., 1993 7 15, : : Physica C: Superconductivity and its applications. 212, 3-4, p. 271-273 3 p.

研究成果: Article

47 引用 (Scopus)

Large enhancement of Tc in the 134 K superconductor HgBa2Ca2Cu3Oy under high pressure

Takahashi, H., Tokiwa-Yamamoto, A., Môri, N., Adachi, S., Yamauchi, H. & Tanaka, S., 1993 12 1, : : Physica C: Superconductivity and its applications. 218, 1-2, p. 1-4 4 p.

研究成果: Article

43 引用 (Scopus)

O1s core levels of Bi-Sr-Ca-Cu-O superconductors studied by X-ray photoelectron spectroscopy

Nagoshi, M., Fukuda, Y., Sanada, N., Syono, Y., Tokiwa-Yamamoto, A. & Tachiki, M., 1993 2 26, : : Journal of Electron Spectroscopy and Related Phenomena. 61, 3-4, p. 309-322 14 p.

研究成果: Article

10 引用 (Scopus)
38 引用 (Scopus)

The effect of Pb doping in HgBa2Ca2Cu3O8+δ superconductor

Isawa, K., Tokiwa-Yamamoto, A., Itoh, M., Adachi, S. & Yamauchi, H., 1993 11 10, : : Physica C: Superconductivity and its applications. 217, 1-2, p. 11-15 5 p.

研究成果: Article

68 引用 (Scopus)

Valence states of BaBi1-xPbxO3-δ (0≤x≤1) studied by photoelectron spectroscopy

Nagoshi, M., Suzuki, T., Fukuda, Y., Tokiwa-Yamamoto, A., Syono, Y. & Tachiki, M., 1993 1 1, : : Physical Review B. 47, 9, p. 5196-5201 6 p.

研究成果: Article

11 引用 (Scopus)
1992

Electronic states of BaBiO3- delta and K-doping effects studied by photoelectron spectroscopy

Nagoshi, M., Suzuki, T., Fukuda, Y., Ueki, K., Tokiwa, A., Kiruchi, M., Syono, Y. & Tachiki, M., 1992 12 1, : : Journal of Physics: Condensed Matter. 4, 26, p. 5769-5781 13 p., 011.

研究成果: Article

42 引用 (Scopus)

X-ray absorption study on PbBaSrYCu3O7+Δ and PbBaSr(Y,Ca)Cu3Cu3O7+Δ

Yamaguchi, H., Yanagi, H., Tokiwa, A. & Shono, Y., 1992 4, : : Ferroelectrics. 128, 1, p. 191-196 6 p.

研究成果: Article

1 引用 (Scopus)
1991

Changes in modulation period of Bi2Sr2 (Ca1-xNdx) Cu2Oa + δ and their relations to oxygen content

Onozuka, T., Tokiwa, A., Syono, Y., Koike, Y. & Saito, Y., 1991 12 1, : : Physica C: Superconductivity and its applications. 185-189, PART 2, p. 885-886 2 p.

研究成果: Article

5 引用 (Scopus)

Chemistry of superconducting Cu oxides with the block layers consisting of Tl, Pb and Bi ions

Syono, Y., Kikuchi, M., Nakajima, S. & Tokiwa, A., 1991 12 2, : : Physica C: Superconductivity and its applications. 190, 1-2, p. 9-13 5 p.

研究成果: Article

3 引用 (Scopus)

Kinetic analysis of superconducting YBa2O7, by thermogravimetry in high vacuum

Nagase, K., Yokobayashi, H., Kikuchi, M., Tokiwa, A., Syono, Y. & Morioka, Y., 1991 3 15, : : Thermochimica Acta. 175, 2, p. 207-213 7 p.

研究成果: Article

5 引用 (Scopus)

Local structure and valence states in PbBaSrY1-xCaxCu3O7+δ and Pb2Sr2Y1-xCaxCu3O8+δ

Yamaguchi, H., Oyanagi, H., Tokiwa, A. & Syono, Y., 1991 12 1, : : Physica C: Superconductivity and its applications. 185-189, PART 2, p. 853-854 2 p.

研究成果: Article

7 引用 (Scopus)

Oxygen-loss effects on superconductivity of Bi2Sr2CaCu2Oy system

Nagoshi, M., Suzuki, T., Fukuda, Y., Terashima, K., Nakanishi, Y., Ogita, M., Tokiwa, A., Syono, Y. & Tachiki, M., 1991 1 1, : : Physical Review B. 43, 13, p. 10445-10450 6 p.

研究成果: Article

76 引用 (Scopus)

Photoemission study on Ba1-xKxBiO3-δ and BaPbxBi1-δO3-δ

Nagoshi, M., Fukuda, Y., Suzuki, T., Ueki, K., Tokiwa, A., Kikuchi, M., Syono, Y. & Tachiki, M., 1991 12 1, : : Physica C: Superconductivity and its applications. 185-189, PART 2, p. 1051-1052 2 p.

研究成果: Article

7 引用 (Scopus)

Preparation, Structure, and Properties of the Bis(μ-acetato)(μ-oxo)Ruthenium(III) Dimers [Ru2(μ-CH3COO)2(μ-O)(py)6]2+ and [Ru2(μ-CH3COO)2(μ-O)(bpy)2(py)2]2+

Sasaki, Y., Suzuki, M., Yamaguchi, T., Kabuto, C., Ochi, T., Ito, T., Nagasawa, A., Tokiwa, A. & Ebihara, M., 1991 12 1, : : Inorganic Chemistry. 30, 26, p. 4903-4908 6 p.

研究成果: Article

65 引用 (Scopus)
3 引用 (Scopus)
39 引用 (Scopus)
1990

CORRECTION

Yamamoto, A., 1990, : : Physica C.

研究成果: Article

Different origins of Tc-suppression in YBa2(Cu1−xMx)3Oy(M=Co and Zn)

Terada, S., Kobayashi, N., Iwasaki, H., Tokiwa, A., Kikuchi, M., Syono, Y. & Muto, Y., 1990, : : Physica B: Condensed Matter. 165-166, p. 1545-1546 2 p.

研究成果: Article

5 引用 (Scopus)

Proper composition for superconductivity in Pb(Ba, Sr)2(Y, Ca)Cu3O7

Tokiwa, A., Nagoshi, M. & Syono, Y., 1990 10 1, : : Physica C: Superconductivity and its applications. 170, 5-6, p. 437-442 6 p.

研究成果: Article

13 引用 (Scopus)

Shock-induced superconductivity of Tl2Ba2CuO 6

Kikuchi, M., Syono, Y., Kobayashi, N., Oku, T., Aoyagi, E., Hiraga, K., Kusaba, K., Atou, T., Tokiwa, A., Fukuoka, K. & Nakajima, S., 1990 12 1, : : Applied Physics Letters. 57, 8, p. 813-815 3 p.

研究成果: Article

4 引用 (Scopus)

Synthesis and crystal structure of Pb (Ba,Sr)2(Ln,Ce)2Cu3Oy (Ln: lanthanoid, y=9-10.4), a new member of the Pb system

Tokiwa, A., Oku, T., Nagoshi, M., Shindo, D., Kikuchi, M., Oikawa, T., Hiraga, K. & Syono, Y., 1990 12 1, : : Physica C: Superconductivity and its applications. 172, 1-2, p. 155-165 11 p.

研究成果: Article

26 引用 (Scopus)

Synthesis and superconductivity of PbBaSrY1-xCaxCu3O7

Tokiwa, A., Nagoshi, M., Oku, T., Kobayashi, N., Kikuchi, M., Hiraga, K. & Syono, Y., 1990 6 15, : : Physica C: Superconductivity and its applications. 168, 3-4, p. 285-290 6 p.

研究成果: Article

34 引用 (Scopus)
1989

Crystal structure and phase transition of PbBaSrYCu3Oy(y=7∼8.4

Tokiwa, A., Oku, T., Nagoshi, M., Kikuchi, M., Hiraga, K. & Syono, Y., 1989 12 1, : : Physica C: Superconductivity and its applications. 161, 4, p. 459-467 9 p.

研究成果: Article

56 引用 (Scopus)

Electron energy loss spectroscopy on oxygen k-edge fine structure of YBa2Cu3Oycontaining dopants (La, Ca, Co)

Shindo, D., Hiraga, K., Tokiwa, A., Soga, T., Hojou, K., Furuno, S., Otsu, H., Nakajima, S., Hirabayashi, M., Kikuchi, M. & Syono, Y., 1989 7, : : Japanese Journal of Applied Physics. 28, 7 A, p. L1197-L1200

研究成果: Article

2 引用 (Scopus)

Raman spectra of YBa2Cu3Ox (x=6-7)

Morioka, Y., Tokiwa, A., Kikuchi, M., Syono, Y. & Nagase, K., 1989 6, : : Solid State Communications. 70, 12, p. 1127-1129 3 p.

研究成果: Article

4 引用 (Scopus)
1988

An x-ray diffraction and electron microscopic study of a new high-Tcsuperconductor based on the Bi-Ca-Sr-Cu-O system

Syono, Y., Hiraga, K., Kobayashi, N., Kikuchi, M., Kusaba, K., Kajitani, T., Shindo, D., Hosoya, S., Tokiwa, A., Terada, S. & Muto, Y., 1988 4, : : Japanese Journal of Applied Physics. 27, 4A, p. L569-L572

研究成果: Article

53 引用 (Scopus)

Bis(μ-acetato)(μ-oxo)bis(tris (pyridine)ruthenium(III)) Ion: A ruthenium analogue of the hemerythrin active center

Sasaki, Y., Suzuki, M., Tokiwa, A., Ebihara, M., Yamaguchi, T., Kabuto, C. & Ito, T., 1988 8, : : Journal of the American Chemical Society. 110, 18, p. 6251-6252 2 p.

研究成果: Article

51 引用 (Scopus)

Crystal structure and superconductivity controlled by cation substitution and oxygen annealing in y1-xcaxba2cu3oyand yba2-xlaxcu3oy

Tokiwa, A., Syono, Y., Kikuchi, M., Suzuki, R., Kajitani, T., Kobayashi, N., Sasaki, T., Nakatsu, O. & Muto, Y., 1988 6, : : Japanese Journal of Applied Physics. 27, 6A, p. L1009-L1012

研究成果: Article

76 引用 (Scopus)

Raman spectra of YBa2Cu3-xMxOy(M=Co, Ni) superconductors

Morioka, Y., Tokiwa, A., Kikuchi, M. & Syono, Y., 1988 7, : : Solid State Communications. 67, 3, p. 267-269 3 p.

研究成果: Article

10 引用 (Scopus)

Specific heat of YBa2Cu3O7-δ and BaCuO2+x in magnetic fields up to 6 T

Sasaki, T., Nakatsu, O., Kobayashi, N., Tokiwa, A., Kikuchi, M., Liu, A., Hiraga, K., Syono, Y. & Muto, Y., 1988 10 1, : : Physica C: Superconductivity and its applications. 156, 3, p. 395-404 10 p.

研究成果: Article

28 引用 (Scopus)

Specific heat of YBa2Cu3O7-δ in magnetic fields up to 6T

Sasaki, T., Kobayashi, N., Nakatsu, O., Matsuhira, T., Tokiwa, A., Kikuchi, M., Syono, Y. & Muto, Y., 1988, : : Physica C: Superconductivity and its applications. 153-155, PART 2, p. 1012-1013 2 p.

研究成果: Article

14 引用 (Scopus)