Superconductivity in the Y-Pd-B-C system

D. T. Adroja; B. D. Rainford; A. V. Volkozub; P. A.J. de Groot

doi:10.1016/0921-4534(94)90831-1

Superconductivity in the Y-Pd-B-C system

D. T. Adroja, B. D. Rainford, A. V. Volkozub, P. A.J. de Groot

University of Southampton

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

8 Citations (Scopus)

Abstract

The discovery of superconductivity at 12 K in the single-phase YNi₂B₂C compound and at 23 K in the multiphase YPd₅B₃C_0.2 compound has renewed the interest in the field of intermetallic superconductors. We have made an extensive study of superconductivity in YTBC (TPd, Ru and Pt) systems, starting with nine different compositions of Y, Pd, B, C and using transport and low-field magnetization measurements. We observed an onset of superconductivity at 23 K and zero resistance at 20 K in the multiphase YPd₃B₂C_y(y<0.1) compound. Magnetization measurements also show an onset of diamagnetic signal at 23 K. The compound YPd₄B₄C_y(y<0.1) exhibits a drop in the resistivity at 23 K. However, no zero resistance was observed for this compound. As cast the compound YPd₃B₂ (melted without C) does not show any sign of superconductivity down to 4.2 K. A detailed comparison of the X-ray diffraction pattern of superconducting and nonsuperconducting samples has been given No superconductivity was observed in the other compositions studied in the present work and neither in YRu₃B₂C_y(y<0.1) nor in YPt₃B₂C_y(y<0.1) systems.

Original language	English
Pages (from-to)	193-196
Number of pages	4
Journal	Physica C: Superconductivity and its Applications
Volume	229
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(94)90831-1
Publication status	Published - 1 Aug 1994
Externally published	Yes

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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title = "Superconductivity in the Y-Pd-B-C system",

abstract = "The discovery of superconductivity at 12 K in the single-phase YNi2B2C compound and at 23 K in the multiphase YPd5B3C0.2 compound has renewed the interest in the field of intermetallic superconductors. We have made an extensive study of superconductivity in YTBC (TPd, Ru and Pt) systems, starting with nine different compositions of Y, Pd, B, C and using transport and low-field magnetization measurements. We observed an onset of superconductivity at 23 K and zero resistance at 20 K in the multiphase YPd3B2Cy(y<0.1) compound. Magnetization measurements also show an onset of diamagnetic signal at 23 K. The compound YPd4B4Cy(y<0.1) exhibits a drop in the resistivity at 23 K. However, no zero resistance was observed for this compound. As cast the compound YPd3B2 (melted without C) does not show any sign of superconductivity down to 4.2 K. A detailed comparison of the X-ray diffraction pattern of superconducting and nonsuperconducting samples has been given No superconductivity was observed in the other compositions studied in the present work and neither in YRu3B2Cy(y<0.1) nor in YPt3B2Cy(y<0.1) systems.",

author = "Adroja, {D. T.} and Rainford, {B. D.} and Volkozub, {A. V.} and {de Groot}, {P. A.J.}",

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AU - Adroja, D. T.

AU - Rainford, B. D.

AU - Volkozub, A. V.

AU - de Groot, P. A.J.

PY - 1994/8/1

Y1 - 1994/8/1

N2 - The discovery of superconductivity at 12 K in the single-phase YNi2B2C compound and at 23 K in the multiphase YPd5B3C0.2 compound has renewed the interest in the field of intermetallic superconductors. We have made an extensive study of superconductivity in YTBC (TPd, Ru and Pt) systems, starting with nine different compositions of Y, Pd, B, C and using transport and low-field magnetization measurements. We observed an onset of superconductivity at 23 K and zero resistance at 20 K in the multiphase YPd3B2Cy(y<0.1) compound. Magnetization measurements also show an onset of diamagnetic signal at 23 K. The compound YPd4B4Cy(y<0.1) exhibits a drop in the resistivity at 23 K. However, no zero resistance was observed for this compound. As cast the compound YPd3B2 (melted without C) does not show any sign of superconductivity down to 4.2 K. A detailed comparison of the X-ray diffraction pattern of superconducting and nonsuperconducting samples has been given No superconductivity was observed in the other compositions studied in the present work and neither in YRu3B2Cy(y<0.1) nor in YPt3B2Cy(y<0.1) systems.

AB - The discovery of superconductivity at 12 K in the single-phase YNi2B2C compound and at 23 K in the multiphase YPd5B3C0.2 compound has renewed the interest in the field of intermetallic superconductors. We have made an extensive study of superconductivity in YTBC (TPd, Ru and Pt) systems, starting with nine different compositions of Y, Pd, B, C and using transport and low-field magnetization measurements. We observed an onset of superconductivity at 23 K and zero resistance at 20 K in the multiphase YPd3B2Cy(y<0.1) compound. Magnetization measurements also show an onset of diamagnetic signal at 23 K. The compound YPd4B4Cy(y<0.1) exhibits a drop in the resistivity at 23 K. However, no zero resistance was observed for this compound. As cast the compound YPd3B2 (melted without C) does not show any sign of superconductivity down to 4.2 K. A detailed comparison of the X-ray diffraction pattern of superconducting and nonsuperconducting samples has been given No superconductivity was observed in the other compositions studied in the present work and neither in YRu3B2Cy(y<0.1) nor in YPt3B2Cy(y<0.1) systems.

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Superconductivity in the Y-Pd-B-C system

Abstract

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