Gadolinium-Rich Borate Gd17.33(BO3)4(B2O5)2O16Exhibiting a Magnetocaloric Effect

Huimin Song; Naizheng Wang; Wang Liu; Jingcheng Feng; Jun Shen; Wei Dai; Zheshuai Lin; Jiyong Yao; Guochun Zhang

doi:10.1021/acs.inorgchem.0c01547

Gadolinium-Rich Borate Gd_17.33(BO₃)₄(B₂O₅)₂O₁₆Exhibiting a Magnetocaloric Effect

Huimin Song, Naizheng Wang, Wang Liu, Jingcheng Feng, Jun Shen, Wei Dai, Zheshuai Lin, Jiyong Yao, Guochun Zhang^*

^*Corresponding author for this work

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

18 Citations (Scopus)

Abstract

A gadolinium-rich borate Gd17.33(BO3)4(B2O5)2O16 was successfully grown by the high-temperature solution method using the Rb2O-B2O3 flux. The crystal crystallizes in centrosymmetric space group C2/m with lattice constants a = 18.4300(2) Å, b = 3.7400(4) Å, c = 14.2047(16) Å, and β = 119.8550(12)°. Two different honeycomb-like [GdO] layers alternately arrange in the order ABAB forming the three-dimensional framework, in which the isolated [B2O5] and [BO3] units fill in channels of the 12-membered and 10-membered [GdO] polyhedral rings, respectively. The UV cutoff edge of Gd17.33(BO3)4(B2O5)2O16 is less than 240 nm. The maximum -ΔSm,max is 26.53 J kg-1 K-1 or 174.70 mJ cm-3 K-1 (T = 4.4 K and ΔH = 7 T) as investigated by the isothermal magnetization method.

Original language	English
Pages (from-to)	11071-11078
Number of pages	8
Journal	Inorganic Chemistry
Volume	59
Issue number	15
DOIs	https://doi.org/10.1021/acs.inorgchem.0c01547
Publication status	Published - 3 Aug 2020
Externally published	Yes

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@article{5568ae3e779943f493a7fcac0dd18222,

title = "Gadolinium-Rich Borate Gd17.33(BO3)4(B2O5)2O16Exhibiting a Magnetocaloric Effect",

abstract = "A gadolinium-rich borate Gd17.33(BO3)4(B2O5)2O16 was successfully grown by the high-temperature solution method using the Rb2O-B2O3 flux. The crystal crystallizes in centrosymmetric space group C2/m with lattice constants a = 18.4300(2) {\AA}, b = 3.7400(4) {\AA}, c = 14.2047(16) {\AA}, and β = 119.8550(12)°. Two different honeycomb-like [GdO] layers alternately arrange in the order ABAB forming the three-dimensional framework, in which the isolated [B2O5] and [BO3] units fill in channels of the 12-membered and 10-membered [GdO] polyhedral rings, respectively. The UV cutoff edge of Gd17.33(BO3)4(B2O5)2O16 is less than 240 nm. The maximum -ΔSm,max is 26.53 J kg-1 K-1 or 174.70 mJ cm-3 K-1 (T = 4.4 K and ΔH = 7 T) as investigated by the isothermal magnetization method.",

author = "Huimin Song and Naizheng Wang and Wang Liu and Jingcheng Feng and Jun Shen and Wei Dai and Zheshuai Lin and Jiyong Yao and Guochun Zhang",

note = "Publisher Copyright: Copyright {\textcopyright} 2020 American Chemical Society.",

year = "2020",

month = aug,

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doi = "10.1021/acs.inorgchem.0c01547",

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T1 - Gadolinium-Rich Borate Gd17.33(BO3)4(B2O5)2O16Exhibiting a Magnetocaloric Effect

AU - Song, Huimin

AU - Wang, Naizheng

AU - Liu, Wang

AU - Feng, Jingcheng

AU - Shen, Jun

AU - Dai, Wei

AU - Lin, Zheshuai

AU - Yao, Jiyong

AU - Zhang, Guochun

PY - 2020/8/3

Y1 - 2020/8/3

N2 - A gadolinium-rich borate Gd17.33(BO3)4(B2O5)2O16 was successfully grown by the high-temperature solution method using the Rb2O-B2O3 flux. The crystal crystallizes in centrosymmetric space group C2/m with lattice constants a = 18.4300(2) Å, b = 3.7400(4) Å, c = 14.2047(16) Å, and β = 119.8550(12)°. Two different honeycomb-like [GdO] layers alternately arrange in the order ABAB forming the three-dimensional framework, in which the isolated [B2O5] and [BO3] units fill in channels of the 12-membered and 10-membered [GdO] polyhedral rings, respectively. The UV cutoff edge of Gd17.33(BO3)4(B2O5)2O16 is less than 240 nm. The maximum -ΔSm,max is 26.53 J kg-1 K-1 or 174.70 mJ cm-3 K-1 (T = 4.4 K and ΔH = 7 T) as investigated by the isothermal magnetization method.

AB - A gadolinium-rich borate Gd17.33(BO3)4(B2O5)2O16 was successfully grown by the high-temperature solution method using the Rb2O-B2O3 flux. The crystal crystallizes in centrosymmetric space group C2/m with lattice constants a = 18.4300(2) Å, b = 3.7400(4) Å, c = 14.2047(16) Å, and β = 119.8550(12)°. Two different honeycomb-like [GdO] layers alternately arrange in the order ABAB forming the three-dimensional framework, in which the isolated [B2O5] and [BO3] units fill in channels of the 12-membered and 10-membered [GdO] polyhedral rings, respectively. The UV cutoff edge of Gd17.33(BO3)4(B2O5)2O16 is less than 240 nm. The maximum -ΔSm,max is 26.53 J kg-1 K-1 or 174.70 mJ cm-3 K-1 (T = 4.4 K and ΔH = 7 T) as investigated by the isothermal magnetization method.

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SN - 0020-1669

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ER -

Gadolinium-Rich Borate Gd_17.33(BO₃)₄(B₂O₅)₂O₁₆Exhibiting a Magnetocaloric Effect

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