Effects of iodine intercalation on the superconducting properties of the Bi2Sr2-xLaxCuOz compound

Y. Muraoka; M. Kikuchi; H. Nameki; S. Awaji; R. Suzuki; N. Kobayashi; Y. Syono

doi:10.1016/0921-4534(93)90242-I

Effects of iodine intercalation on the superconducting properties of the Bi₂Sr_2-xLa_xCuO_z compound

Y. Muraoka, M. Kikuchi, H. Nameki, S. Awaji, R. Suzuki, N. Kobayashi, Y. Syono

Research output: Contribution to journal › Article › peer-review

Abstract

Iodine intercalation of Bi₂Sr_2-xLa_xCuO_z (0.4 ≤ x ≤ 1.0) was studied. Transition from orthorhombic pristine phase to tetragonal intercalated phase was observed due to iodine intercalation. The expansion of the c-axis of the stage-1 intercalation compound increases slightly with increasing La content x. The T_c of iodine-intercalated specimens with 0.4 ≤ x ≤ 0.6 decreases from that of the pristine, but in the range of 0.7 ≤ x ≤ 0.9, the T_c of the intercalated specimen increases with respect to that of the pristine phase. Especially, the non-superconducting specimen with x = 0.9 became superconducting due to intercalation. This result demonstrates hole doping by iodine intercalation, i.e. the Cu valence of the pristine compound is increased.

Original language	English
Pages (from-to)	402-406
Number of pages	5
Journal	Physica C: Superconductivity and its applications
Volume	215
Issue number	3-4
DOIs	https://doi.org/10.1016/0921-4534(93)90242-I
Publication status	Published - Oct 1 1993
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

Access to Document

10.1016/0921-4534(93)90242-I

Cite this

@article{8ac3157dfd85472f875aa94808c0d7bc,

title = "Effects of iodine intercalation on the superconducting properties of the Bi2Sr2-xLaxCuOz compound",

abstract = "Iodine intercalation of Bi2Sr2-xLaxCuOz (0.4 ≤ x ≤ 1.0) was studied. Transition from orthorhombic pristine phase to tetragonal intercalated phase was observed due to iodine intercalation. The expansion of the c-axis of the stage-1 intercalation compound increases slightly with increasing La content x. The Tc of iodine-intercalated specimens with 0.4 ≤ x ≤ 0.6 decreases from that of the pristine, but in the range of 0.7 ≤ x ≤ 0.9, the Tc of the intercalated specimen increases with respect to that of the pristine phase. Especially, the non-superconducting specimen with x = 0.9 became superconducting due to intercalation. This result demonstrates hole doping by iodine intercalation, i.e. the Cu valence of the pristine compound is increased.",

author = "Y. Muraoka and M. Kikuchi and H. Nameki and S. Awaji and R. Suzuki and N. Kobayashi and Y. Syono",

year = "1993",

month = oct,

day = "1",

doi = "10.1016/0921-4534(93)90242-I",

language = "English",

volume = "215",

pages = "402--406",

journal = "Physica C: Superconductivity and its Applications",

issn = "0921-4534",

publisher = "Elsevier",

number = "3-4",

}

TY - JOUR

T1 - Effects of iodine intercalation on the superconducting properties of the Bi2Sr2-xLaxCuOz compound

AU - Muraoka, Y.

AU - Kikuchi, M.

AU - Nameki, H.

AU - Awaji, S.

AU - Suzuki, R.

AU - Kobayashi, N.

AU - Syono, Y.

PY - 1993/10/1

Y1 - 1993/10/1

N2 - Iodine intercalation of Bi2Sr2-xLaxCuOz (0.4 ≤ x ≤ 1.0) was studied. Transition from orthorhombic pristine phase to tetragonal intercalated phase was observed due to iodine intercalation. The expansion of the c-axis of the stage-1 intercalation compound increases slightly with increasing La content x. The Tc of iodine-intercalated specimens with 0.4 ≤ x ≤ 0.6 decreases from that of the pristine, but in the range of 0.7 ≤ x ≤ 0.9, the Tc of the intercalated specimen increases with respect to that of the pristine phase. Especially, the non-superconducting specimen with x = 0.9 became superconducting due to intercalation. This result demonstrates hole doping by iodine intercalation, i.e. the Cu valence of the pristine compound is increased.

AB - Iodine intercalation of Bi2Sr2-xLaxCuOz (0.4 ≤ x ≤ 1.0) was studied. Transition from orthorhombic pristine phase to tetragonal intercalated phase was observed due to iodine intercalation. The expansion of the c-axis of the stage-1 intercalation compound increases slightly with increasing La content x. The Tc of iodine-intercalated specimens with 0.4 ≤ x ≤ 0.6 decreases from that of the pristine, but in the range of 0.7 ≤ x ≤ 0.9, the Tc of the intercalated specimen increases with respect to that of the pristine phase. Especially, the non-superconducting specimen with x = 0.9 became superconducting due to intercalation. This result demonstrates hole doping by iodine intercalation, i.e. the Cu valence of the pristine compound is increased.

UR - http://www.scopus.com/inward/record.url?scp=0027677704&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0027677704&partnerID=8YFLogxK

U2 - 10.1016/0921-4534(93)90242-I

DO - 10.1016/0921-4534(93)90242-I

M3 - Article

AN - SCOPUS:0027677704

SN - 0921-4534

VL - 215

SP - 402

EP - 406

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - 3-4

ER -

Effects of iodine intercalation on the superconducting properties of the Bi₂Sr_2-xLa_xCuO_z compound

Abstract

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this