Excess quasiparticles outside the vortex cores in Y(Ni1-xPtx)2B2C

K. Ohishi; K. Kakuta; J. Akimitsu; A. Koda; W. Higemoto; R. Kadono; J. E. Sonier; A. N. Price; R. I. Miller; R. F. Kiefl; M. Nohara; H. Suzuki; H. Takagi

doi:10.1016/S0921-4534(02)02725-9

Excess quasiparticles outside the vortex cores in Y(Ni_1-xPt_x)₂B₂C

K. Ohishi, K. Kakuta, J. Akimitsu, A. Koda, W. Higemoto, R. Kadono, J. E. Sonier, A. N. Price, R. I. Miller, R. F. Kiefl, M. Nohara, H. Suzuki, H. Takagi

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

The determination of in-plane magnetic penetration depth and vortex core radius in Y(Ni_1-xPt_x)₂B₂C by μSR was discussed. It was demonstrated by magnetic field dependence of the penetration depth, that quasiparticle excitations exist not only in the vortex cores but also their outside. It was found that the superconducting gap had changed from anisotropic to effectively isotropic after doping of Pt.

Original language	English
Pages (from-to)	197-198
Number of pages	2
Journal	Physica C: Superconductivity and its applications
Volume	388-389
DOIs	https://doi.org/10.1016/S0921-4534(02)02725-9
Publication status	Published - May 2003
Externally published	Yes
Event	proceedings of the 23rd international conference on low temper - Hiroshima, Japan Duration: Aug 20 2002 → Aug 27 2002

Keywords

Borocarbide
Penetration depth
Quasiparticle excitations
Vortex core radius

ASJC Scopus subject areas

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

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Excess quasiparticles outside the vortex cores in Y(Ni_1-xPt_x)₂B₂C. / Ohishi, K.; Kakuta, K.; Akimitsu, J.; Koda, A.; Higemoto, W.; Kadono, R.; Sonier, J. E.; Price, A. N.; Miller, R. I.; Kiefl, R. F.; Nohara, M.; Suzuki, H.; Takagi, H.

In: Physica C: Superconductivity and its applications, Vol. 388-389, 05.2003, p. 197-198.

Research output: Contribution to journal › Conference article › peer-review

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title = "Excess quasiparticles outside the vortex cores in Y(Ni1-xPtx)2B2C",

abstract = "The determination of in-plane magnetic penetration depth and vortex core radius in Y(Ni1-xPtx)2B2C by μSR was discussed. It was demonstrated by magnetic field dependence of the penetration depth, that quasiparticle excitations exist not only in the vortex cores but also their outside. It was found that the superconducting gap had changed from anisotropic to effectively isotropic after doping of Pt.",

keywords = "Borocarbide, Penetration depth, Quasiparticle excitations, Vortex core radius",

author = "K. Ohishi and K. Kakuta and J. Akimitsu and A. Koda and W. Higemoto and R. Kadono and Sonier, {J. E.} and Price, {A. N.} and Miller, {R. I.} and Kiefl, {R. F.} and M. Nohara and H. Suzuki and H. Takagi",

note = "Funding Information: We thank the TRIUMF μSR staff for technical support. This work was partially supported by a JSPS Research Fellowships for Young Scientists, Japan, by a Grant-in-Aid for Science Research on Priority Areas from the Ministry of Education, Culture, Sports, Science, and Technology, Japan and also by a Grant from the CREST, JST, Japan.; proceedings of the 23rd international conference on low temper ; Conference date: 20-08-2002 Through 27-08-2002",

year = "2003",

month = may,

doi = "10.1016/S0921-4534(02)02725-9",

language = "English",

volume = "388-389",

pages = "197--198",

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

issn = "0921-4534",

publisher = "Elsevier",

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TY - JOUR

T1 - Excess quasiparticles outside the vortex cores in Y(Ni1-xPtx)2B2C

AU - Ohishi, K.

AU - Kakuta, K.

AU - Akimitsu, J.

AU - Koda, A.

AU - Higemoto, W.

AU - Kadono, R.

AU - Sonier, J. E.

AU - Price, A. N.

AU - Miller, R. I.

AU - Kiefl, R. F.

AU - Nohara, M.

AU - Suzuki, H.

AU - Takagi, H.

N1 - Funding Information: We thank the TRIUMF μSR staff for technical support. This work was partially supported by a JSPS Research Fellowships for Young Scientists, Japan, by a Grant-in-Aid for Science Research on Priority Areas from the Ministry of Education, Culture, Sports, Science, and Technology, Japan and also by a Grant from the CREST, JST, Japan.

PY - 2003/5

Y1 - 2003/5

N2 - The determination of in-plane magnetic penetration depth and vortex core radius in Y(Ni1-xPtx)2B2C by μSR was discussed. It was demonstrated by magnetic field dependence of the penetration depth, that quasiparticle excitations exist not only in the vortex cores but also their outside. It was found that the superconducting gap had changed from anisotropic to effectively isotropic after doping of Pt.

AB - The determination of in-plane magnetic penetration depth and vortex core radius in Y(Ni1-xPtx)2B2C by μSR was discussed. It was demonstrated by magnetic field dependence of the penetration depth, that quasiparticle excitations exist not only in the vortex cores but also their outside. It was found that the superconducting gap had changed from anisotropic to effectively isotropic after doping of Pt.

KW - Borocarbide

KW - Penetration depth

KW - Quasiparticle excitations

KW - Vortex core radius

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U2 - 10.1016/S0921-4534(02)02725-9

DO - 10.1016/S0921-4534(02)02725-9

M3 - Conference article

AN - SCOPUS:0038188506

VL - 388-389

SP - 197

EP - 198

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

SN - 0921-4534

T2 - proceedings of the 23rd international conference on low temper

Y2 - 20 August 2002 through 27 August 2002

ER -