Growth and Characterization of CrK(SO4)2•12H2O Crystals Used in Magnetic Adiabatic Refrigerator

Yuwei Chen; Ping Liu; Wang Liu; Chang Wang; Wei Dai; Jun Shen; Guochun Zhang; Heng Tu

doi:10.14062/j.issn.0454-5648.20220528

Growth and Characterization of CrK(SO₄)₂•12H₂O Crystals Used in Magnetic Adiabatic Refrigerator

投稿的翻译标题: CrK(SO₄)₂•12H₂O晶体的生长及其磁制冷性能

Yuwei Chen
, Ping Liu
, Wang Liu
, Chang Wang
, Wei Dai
, Jun Shen
, Guochun Zhang
, Heng Tu^*

^*此作品的通讯作者

CAS - Technical Institute of Physics and Chemistry
University of Chinese Academy of Sciences

科研成果: 期刊稿件 › 文章 › 同行评审

2 引用（Scopus）

摘要

Paramagnetic salts perform satisfactorily in cryogenic refrigeration, and hydrated salt crystals are usually used as refrigerated materials at a rather low temperature. In this paper, a chromium potassium alum CrK(SO₄)₂•12H₂O (CPA) single crystal with the size of 32 mm×32 mm×20 mm was grown by a slow cooling method. The relationship between the growth condition and crystal morphology was analyzed, and the thermal behavior, infrared spectrum, and magnetic performance of CPA crystal were also investigated. The results reveal that the CPA crystal exhibits a magnetocaloric effect up to 29.75 J•kg^-1•K^-1 in an applied magnetic field of 7 T at 2 K. A salt pill made by growing the CPA crystals on an array of copper wires in a sealed container was used in a two-stage single-shot adiabatic demagnetization refrigerator, obtaining a no-load temperature of 90 mK.

投稿的翻译标题	CrK(SO₄)₂•12H₂O晶体的生长及其磁制冷性能
源语言	英语
页（从-至）	3270-3275
页数	6
期刊	Kuei Suan Jen Hsueh Pao/ Journal of the Chinese Ceramic Society
卷	50
期	12
DOI	https://doi.org/10.14062/j.issn.0454-5648.20220528
出版状态	已出版 - 12月 2022
已对外发布	是

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10.14062/j.issn.0454-5648.20220528

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@article{1c2771055c4e469f81d2556cacd9069a,

title = "Growth and Characterization of CrK(SO4)2•12H2O Crystals Used in Magnetic Adiabatic Refrigerator",

abstract = "Paramagnetic salts perform satisfactorily in cryogenic refrigeration, and hydrated salt crystals are usually used as refrigerated materials at a rather low temperature. In this paper, a chromium potassium alum CrK(SO4)2•12H2O (CPA) single crystal with the size of 32 mm{\texttimes}32 mm{\texttimes}20 mm was grown by a slow cooling method. The relationship between the growth condition and crystal morphology was analyzed, and the thermal behavior, infrared spectrum, and magnetic performance of CPA crystal were also investigated. The results reveal that the CPA crystal exhibits a magnetocaloric effect up to 29.75 J•kg-1•K-1 in an applied magnetic field of 7 T at 2 K. A salt pill made by growing the CPA crystals on an array of copper wires in a sealed container was used in a two-stage single-shot adiabatic demagnetization refrigerator, obtaining a no-load temperature of 90 mK.",

keywords = "Crystal growth, Crystal morphology, Magnetocaloric effect, Paramagnetic materials",

author = "Yuwei Chen and Ping Liu and Wang Liu and Chang Wang and Wei Dai and Jun Shen and Guochun Zhang and Heng Tu",

year = "2022",

month = dec,

doi = "10.14062/j.issn.0454-5648.20220528",

language = "English",

volume = "50",

pages = "3270--3275",

journal = "Kuei Suan Jen Hsueh Pao/ Journal of the Chinese Ceramic Society",

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}

TY - JOUR

T1 - Growth and Characterization of CrK(SO4)2•12H2O Crystals Used in Magnetic Adiabatic Refrigerator

AU - Chen, Yuwei

AU - Liu, Ping

AU - Liu, Wang

AU - Wang, Chang

AU - Dai, Wei

AU - Shen, Jun

AU - Zhang, Guochun

AU - Tu, Heng

PY - 2022/12

Y1 - 2022/12

N2 - Paramagnetic salts perform satisfactorily in cryogenic refrigeration, and hydrated salt crystals are usually used as refrigerated materials at a rather low temperature. In this paper, a chromium potassium alum CrK(SO4)2•12H2O (CPA) single crystal with the size of 32 mm×32 mm×20 mm was grown by a slow cooling method. The relationship between the growth condition and crystal morphology was analyzed, and the thermal behavior, infrared spectrum, and magnetic performance of CPA crystal were also investigated. The results reveal that the CPA crystal exhibits a magnetocaloric effect up to 29.75 J•kg-1•K-1 in an applied magnetic field of 7 T at 2 K. A salt pill made by growing the CPA crystals on an array of copper wires in a sealed container was used in a two-stage single-shot adiabatic demagnetization refrigerator, obtaining a no-load temperature of 90 mK.

AB - Paramagnetic salts perform satisfactorily in cryogenic refrigeration, and hydrated salt crystals are usually used as refrigerated materials at a rather low temperature. In this paper, a chromium potassium alum CrK(SO4)2•12H2O (CPA) single crystal with the size of 32 mm×32 mm×20 mm was grown by a slow cooling method. The relationship between the growth condition and crystal morphology was analyzed, and the thermal behavior, infrared spectrum, and magnetic performance of CPA crystal were also investigated. The results reveal that the CPA crystal exhibits a magnetocaloric effect up to 29.75 J•kg-1•K-1 in an applied magnetic field of 7 T at 2 K. A salt pill made by growing the CPA crystals on an array of copper wires in a sealed container was used in a two-stage single-shot adiabatic demagnetization refrigerator, obtaining a no-load temperature of 90 mK.

KW - Crystal growth

KW - Crystal morphology

KW - Magnetocaloric effect

KW - Paramagnetic materials

UR - https://www.scopus.com/pages/publications/85143620552

U2 - 10.14062/j.issn.0454-5648.20220528

DO - 10.14062/j.issn.0454-5648.20220528

M3 - Article

AN - SCOPUS:85143620552

SN - 0454-5648

VL - 50

SP - 3270

EP - 3275

JO - Kuei Suan Jen Hsueh Pao/ Journal of the Chinese Ceramic Society

JF - Kuei Suan Jen Hsueh Pao/ Journal of the Chinese Ceramic Society

IS - 12

ER -

Growth and Characterization of CrK(SO4)2•12H2O Crystals Used in Magnetic Adiabatic Refrigerator

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Growth and Characterization of CrK(SO₄)₂•12H₂O Crystals Used in Magnetic Adiabatic Refrigerator