SUPERCONDUCTIVITY IN SRN+1CUNO2N+1+DELTA INFINITE-LAYER FILMS INDUCED BY POSTGROWTH ANNEALING

被引：9

作者：

FEENSTRA, R ^{[1
]}

BUDAI, JD ^{[1
]}

CHRISTEN, DK ^{[1
]}

KAWAI, T ^{[1
]}

机构：

[1] OSAKA UNIV,INST SCI & IND RES,OSAKA 567,JAPAN

来源：

APPLIED PHYSICS LETTERS | 1995年 / 66卷 / 17期

关键词：

D O I：

10.1063/1.113193

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Superconductivity with Tc≃25-45 K has been induced in films based on the]] infinite layer" structure though high temperature annealing in an oxygen ambient. The films had compositions Srn+1CunO2n+1+δ(n=3-9) and were previously grown by laser molecular beam epitaxy by periodic insertion of SrO defect layers into the SrCuO2 infinite layer matrix. A marked dependence on the cooling rate at the end of the postgrowth anneals indicates that preservation of a high temperature oxygen sublattice forms the key to enhancing the carrier density in these films, opposite to the situation with YBa2Cu3O7-δ. © 1995 American Institute of Physics.

引用

页码：2283 / 2285

页数：3

共 18 条

[1] NEW SUPERCONDUCTING CUPRATES IN THE SR-CA-CU-O SYSTEM [J].

ADACHI, S ;

YAMAUCHI, H ;

TANAKA, S ;

MORI, N .

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 1993, 212 (1-2) :164-168

[2]

ECKSTEIN JN, 1992, MRS B, V17

[3] ELECTRON-DOPED AND HOLE-DOPED INFINITE-LAYER SR(1-X)CUO(2-DELTA) FILMS GROWN BY LASER MOLECULAR-BEAM EPITAXY [J].

FEENSTRA, R ;

LI, X ;

KANAI, M ;

KAWAI, T ;

KAWAI, S ;

BUDAI, JD ;

JONES, EC ;

SUN, YR ;

THOMPSON, JR ;

PENNYCOOK, SJ ;

CHRISTEN, DK .

PHYSICA C, 1994, 224 (3-4) :300-316

[4] HIGH-PRESSURE SYNTHESIS OF THE SR2CUO3+DELTA SUPERCONDUCTOR OBSERVATION OF AN INCREASE IN TC FROM 70-K TO 94-K WITH HEAT-TREATMENT [J].

HAN, PD ;

CHANG, L ;

PAYNE, DA .

PHYSICA C, 1994, 228 (1-2) :129-136

[5] A NEW FAMILY OF COPPER-OXIDE SUPERCONDUCTORS SRN+1CUNO2N+1+DELTA STABILIZED AT HIGH-PRESSURE [J].

HIROI, Z ;

TAKANO, M ;

AZUMA, M ;

TAKEDA, Y .

NATURE, 1993, 364 (6435) :315-317

[6] ATOMIC LAYER AND UNIT-CELL LAYER GROWTH OF (CA,SR)CUO2 THIN-FILM BY LASER MOLECULAR-BEAM EPITAXY [J].

KANAI, M ;

KAWAI, T ;

KAWAI, S .

APPLIED PHYSICS LETTERS, 1991, 58 (07) :771-773

[7] GROWTH-MECHANISM OF LAYER CONTROLLED BI2SR2CAN-1CUNO2N+4 FORMED BY LASER MOLECULAR-BEAM EPITAXY [J].

KANAI, M ;

KAWAI, T ;

KAWAI, S .

PHYSICA C, 1991, 190 (1-2) :57-58

[8] TRANSPORT-PROPERTIES OF SRCUO2 THIN-FILMS WITH ARTIFICIALLY MODULATED STRUCTURES [J].

KAWAI, M ;

LIU, ZY ;

SEKINE, R ;

KOINUMA, H .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS, 1993, 32 (9A) :L1208-L1210

[9] HIGH-TC SUPERCONDUCTING ARTIFICIAL LATTICE AS A NEW MATERIAL [J].

KAWAI, T ;

MATSUMOTO, T ;

KANAI, M ;

TABATA, H ;

HORIUCHI, K ;

KAWAI, S .

PHYSICA C, 1991, 185 :198-203

[10] EPITAXIAL-GROWTH AND PROPERTIES OF CA1-XSRXCUO2 THIN-FILM (X = 0.18 TO 1.0) PREPARED BY CODEPOSITION AND ATOMIC LAYER STACKING [J].

LI, XM ;

KANAI, M ;

KAWAI, T ;

KAWAI, S .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS, 1992, 31 (3A) :L217-L220

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