Stabilization of superconducting LnPt2B2C by partial substitution of gold for platinum

R. J. Cava; B. Batlogg; J. J. Krajewski; W. F. Peck; T. Siegrist; R. M. Fleming; S. Carter; H. Takagi; R. J. Felder; R. B. van Dover; L. W. Rupp

doi:10.1016/0921-4534(94)90493-6

Stabilization of superconducting LnPt₂B₂C by partial substitution of gold for platinum

R. J. Cava
, B. Batlogg
, J. J. Krajewski
, W. F. Peck
, T. Siegrist
, R. M. Fleming
, S. Carter
, H. Takagi
, R. J. Felder
, R. B. van Dover
, L. W. Rupp

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

29 Scopus citations

Abstract

The quaternary intermetallic compounds LnPt₂B₂C (Ln=La, Pr and Y) were recently shown to be superconducting at temperatures up to 10.5 K. Annealing conditions were not found, however, which yielded single-phase material. Here it is reported that the partial substitution of Au for Pt in LnPt₂B₂C yields essentially single-phase polycrystalline material under annealing conditions readily accessible by conventional techniques. This is accomplished through arcmelting LnPt_1.5Au_0.6B₂C, a composition slightly superstoichiometric in transition metal, and annealing at 1100°C in Ta foil: a small amount of melt phase formed in the anneal is wicked away from the sample leaving good-quality material behind.

Original language	English (US)
Pages (from-to)	170-174
Number of pages	5
Journal	Physica C: Superconductivity and its Applications
Volume	226
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(94)90493-6
State	Published - Jun 1 1994
Externally published	Yes

All Science Journal Classification (ASJC) codes

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

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10.1016/0921-4534(94)90493-6

Cite this

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title = "Stabilization of superconducting LnPt2B2C by partial substitution of gold for platinum",

abstract = "The quaternary intermetallic compounds LnPt2B2C (Ln=La, Pr and Y) were recently shown to be superconducting at temperatures up to 10.5 K. Annealing conditions were not found, however, which yielded single-phase material. Here it is reported that the partial substitution of Au for Pt in LnPt2B2C yields essentially single-phase polycrystalline material under annealing conditions readily accessible by conventional techniques. This is accomplished through arcmelting LnPt1.5Au0.6B2C, a composition slightly superstoichiometric in transition metal, and annealing at 1100°C in Ta foil: a small amount of melt phase formed in the anneal is wicked away from the sample leaving good-quality material behind.",

author = "Cava, \{R. J.\} and B. Batlogg and Krajewski, \{J. J.\} and Peck, \{W. F.\} and T. Siegrist and Fleming, \{R. M.\} and S. Carter and H. Takagi and Felder, \{R. J.\} and \{van Dover\}, \{R. B.\} and Rupp, \{L. W.\}",

year = "1994",

month = jun,

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doi = "10.1016/0921-4534(94)90493-6",

language = "English (US)",

volume = "226",

pages = "170--174",

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

issn = "0921-4534",

publisher = "Elsevier B.V.",

number = "1-2",

}

TY - JOUR

T1 - Stabilization of superconducting LnPt2B2C by partial substitution of gold for platinum

AU - Cava, R. J.

AU - Batlogg, B.

AU - Krajewski, J. J.

AU - Peck, W. F.

AU - Siegrist, T.

AU - Fleming, R. M.

AU - Carter, S.

AU - Takagi, H.

AU - Felder, R. J.

AU - van Dover, R. B.

AU - Rupp, L. W.

PY - 1994/6/1

Y1 - 1994/6/1

N2 - The quaternary intermetallic compounds LnPt2B2C (Ln=La, Pr and Y) were recently shown to be superconducting at temperatures up to 10.5 K. Annealing conditions were not found, however, which yielded single-phase material. Here it is reported that the partial substitution of Au for Pt in LnPt2B2C yields essentially single-phase polycrystalline material under annealing conditions readily accessible by conventional techniques. This is accomplished through arcmelting LnPt1.5Au0.6B2C, a composition slightly superstoichiometric in transition metal, and annealing at 1100°C in Ta foil: a small amount of melt phase formed in the anneal is wicked away from the sample leaving good-quality material behind.

AB - The quaternary intermetallic compounds LnPt2B2C (Ln=La, Pr and Y) were recently shown to be superconducting at temperatures up to 10.5 K. Annealing conditions were not found, however, which yielded single-phase material. Here it is reported that the partial substitution of Au for Pt in LnPt2B2C yields essentially single-phase polycrystalline material under annealing conditions readily accessible by conventional techniques. This is accomplished through arcmelting LnPt1.5Au0.6B2C, a composition slightly superstoichiometric in transition metal, and annealing at 1100°C in Ta foil: a small amount of melt phase formed in the anneal is wicked away from the sample leaving good-quality material behind.

UR - https://www.scopus.com/pages/publications/0028445922

UR - https://www.scopus.com/pages/publications/0028445922#tab=citedBy

U2 - 10.1016/0921-4534(94)90493-6

DO - 10.1016/0921-4534(94)90493-6

M3 - Article

AN - SCOPUS:0028445922

SN - 0921-4534

VL - 226

SP - 170

EP - 174

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - 1-2

ER -

Stabilization of superconducting LnPt₂B₂C by partial substitution of gold for platinum

Abstract

All Science Journal Classification (ASJC) codes

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