Superconducting energy gap in bapb1-xbixo3 determined from point-contact tunneling

Toshikazu Ekino; Jun Akimitsu

doi:10.1143/JPSJ.58.2135

Superconducting energy gap in bapb1-xbixo3 determined from point-contact tunneling

Toshikazu Ekino, Jun Akimitsu

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

19 Citations (Scopus)

Abstract

Electron tunneling measurements have been performed on single crystals of BaPb1-xBixO3 with various values of x. The observed density of states in the superconducting state can well be described by the broadened BCS density of states proposed by Dynes et al. The ratio [formula ommitted] increases with increasing the Bi concentration of x, suggesting the increase of electron-phonon interactions, and saturates at around [formula ommitted] The values of [formula ommitted] in the saturated region coincide with the BCS value.

Original language	English
Pages (from-to)	2135-2139
Number of pages	5
Journal	journal of the physical society of japan
Volume	58
Issue number	6
DOIs	https://doi.org/10.1143/JPSJ.58.2135
Publication status	Published - Jan 1 1989
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1143/JPSJ.58.2135

Fingerprint Dive into the research topics of 'Superconducting energy gap in bapb1-xbixo3 determined from point-contact tunneling'. Together they form a unique fingerprint.

Cite this

@article{294feab7577e4048a403ad8bb876db33,

title = "Superconducting energy gap in bapb1-xbixo3 determined from point-contact tunneling",

abstract = "Electron tunneling measurements have been performed on single crystals of BaPb1-xBixO3 with various values of x. The observed density of states in the superconducting state can well be described by the broadened BCS density of states proposed by Dynes et al. The ratio [formula ommitted] increases with increasing the Bi concentration of x, suggesting the increase of electron-phonon interactions, and saturates at around [formula ommitted] The values of [formula ommitted] in the saturated region coincide with the BCS value.",

author = "Toshikazu Ekino and Jun Akimitsu",

year = "1989",

month = jan,

day = "1",

doi = "10.1143/JPSJ.58.2135",

language = "English",

volume = "58",

pages = "2135--2139",

journal = "Journal of the Physical Society of Japan",

issn = "0031-9015",

publisher = "Physical Society of Japan",

number = "6",

}

TY - JOUR

T1 - Superconducting energy gap in bapb1-xbixo3 determined from point-contact tunneling

AU - Ekino, Toshikazu

AU - Akimitsu, Jun

PY - 1989/1/1

Y1 - 1989/1/1

N2 - Electron tunneling measurements have been performed on single crystals of BaPb1-xBixO3 with various values of x. The observed density of states in the superconducting state can well be described by the broadened BCS density of states proposed by Dynes et al. The ratio [formula ommitted] increases with increasing the Bi concentration of x, suggesting the increase of electron-phonon interactions, and saturates at around [formula ommitted] The values of [formula ommitted] in the saturated region coincide with the BCS value.

AB - Electron tunneling measurements have been performed on single crystals of BaPb1-xBixO3 with various values of x. The observed density of states in the superconducting state can well be described by the broadened BCS density of states proposed by Dynes et al. The ratio [formula ommitted] increases with increasing the Bi concentration of x, suggesting the increase of electron-phonon interactions, and saturates at around [formula ommitted] The values of [formula ommitted] in the saturated region coincide with the BCS value.

UR - http://www.scopus.com/inward/record.url?scp=0009908122&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0009908122&partnerID=8YFLogxK

U2 - 10.1143/JPSJ.58.2135

DO - 10.1143/JPSJ.58.2135

M3 - Article

AN - SCOPUS:0009908122

VL - 58

SP - 2135

EP - 2139

JO - Journal of the Physical Society of Japan

JF - Journal of the Physical Society of Japan

SN - 0031-9015

IS - 6

ER -