Crystalline phase transition information induced by high temperature susceptibility transformations in bulk PMP-YBCO superconductor growth in-situ

C. P. Zhang; X. Chaud; E. Beaugnon; L. Zhou

doi:10.1016/j.physc.2014.11.002

Crystalline phase transition information induced by high temperature susceptibility transformations in bulk PMP-YBCO superconductor growth in-situ

C. P. Zhang, X. Chaud, E. Beaugnon, L. Zhou

School of Materials Sience and Engineering

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

4 Scopus citations

Abstract

The dynamic susceptibility transformations of bulk HTSC PMP-YBCO growth have been investigated from 200 °C up to 1060 °C by the Faraday Balance in-situ. It revealed that the crystalline phase transitions of bulk PMP-YBCO growth in process. A new discovery of Y123 phase pre-formed then melted in heating stage has been found. It also discovered that Y123 crystal solidification started at 1004 °C in cooling stage. Before Y123 solidification the liquid phase CuO change to Cu₂O reciprocally as well as the copper ion valence changed between divalent Cu²⁺ and trivalent Cu¹⁺ each other. It was essential to keep quantities of CuO phase instead of the Cu₂O for Y123 crystal solidification.

Original language	English
Pages (from-to)	25-30
Number of pages	6
Journal	Physica C: Superconductivity and its Applications
Volume	508
DOIs	https://doi.org/10.1016/j.physc.2014.11.002
State	Published - 15 Jan 2015

Keywords

Bulk YBCO
Crystalline phase transition
High temperature Faraday Balance
Powder melting process
Susceptibility transition

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10.1016/j.physc.2014.11.002

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title = "Crystalline phase transition information induced by high temperature susceptibility transformations in bulk PMP-YBCO superconductor growth in-situ",

abstract = "The dynamic susceptibility transformations of bulk HTSC PMP-YBCO growth have been investigated from 200 °C up to 1060 °C by the Faraday Balance in-situ. It revealed that the crystalline phase transitions of bulk PMP-YBCO growth in process. A new discovery of Y123 phase pre-formed then melted in heating stage has been found. It also discovered that Y123 crystal solidification started at 1004 °C in cooling stage. Before Y123 solidification the liquid phase CuO change to Cu2O reciprocally as well as the copper ion valence changed between divalent Cu2+ and trivalent Cu1+ each other. It was essential to keep quantities of CuO phase instead of the Cu2O for Y123 crystal solidification.",

keywords = "Bulk YBCO, Crystalline phase transition, High temperature Faraday Balance, Powder melting process, Susceptibility transition",

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T1 - Crystalline phase transition information induced by high temperature susceptibility transformations in bulk PMP-YBCO superconductor growth in-situ

AU - Zhang, C. P.

AU - Chaud, X.

AU - Beaugnon, E.

AU - Zhou, L.

PY - 2015/1/15

Y1 - 2015/1/15

N2 - The dynamic susceptibility transformations of bulk HTSC PMP-YBCO growth have been investigated from 200 °C up to 1060 °C by the Faraday Balance in-situ. It revealed that the crystalline phase transitions of bulk PMP-YBCO growth in process. A new discovery of Y123 phase pre-formed then melted in heating stage has been found. It also discovered that Y123 crystal solidification started at 1004 °C in cooling stage. Before Y123 solidification the liquid phase CuO change to Cu2O reciprocally as well as the copper ion valence changed between divalent Cu2+ and trivalent Cu1+ each other. It was essential to keep quantities of CuO phase instead of the Cu2O for Y123 crystal solidification.

AB - The dynamic susceptibility transformations of bulk HTSC PMP-YBCO growth have been investigated from 200 °C up to 1060 °C by the Faraday Balance in-situ. It revealed that the crystalline phase transitions of bulk PMP-YBCO growth in process. A new discovery of Y123 phase pre-formed then melted in heating stage has been found. It also discovered that Y123 crystal solidification started at 1004 °C in cooling stage. Before Y123 solidification the liquid phase CuO change to Cu2O reciprocally as well as the copper ion valence changed between divalent Cu2+ and trivalent Cu1+ each other. It was essential to keep quantities of CuO phase instead of the Cu2O for Y123 crystal solidification.

KW - Bulk YBCO

KW - Crystalline phase transition

KW - High temperature Faraday Balance

KW - Powder melting process

KW - Susceptibility transition

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U2 - 10.1016/j.physc.2014.11.002

DO - 10.1016/j.physc.2014.11.002

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SN - 0921-4534

VL - 508

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JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

ER -

Crystalline phase transition information induced by high temperature susceptibility transformations in bulk PMP-YBCO superconductor growth in-situ

Abstract

Keywords

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