Synthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)

The quantum spin liquid (QSL) state in rare-earth triangular lattices has attracted much attention recently due to its potential application in quantum computing and communication. Here, we report the single-crystal growth synthesis, crystal structure characterizations, and magnetic properties of AY...

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Autores principales:	Jie Xing, Liurukara D. Sanjeewa, Andrew F. May, Athena S. Sefat
Formato:	article
Lenguaje:	EN
Publicado:	AIP Publishing LLC 2021
Materias:	Biotechnology TP248.13-248.65 Physics QC1-999
Acceso en línea:	https://doaj.org/article/56f1a13d81014d4ca4a9372b943f00da
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spelling	oai:doaj.org-article:56f1a13d81014d4ca4a9372b943f00da2021-12-01T18:51:23ZSynthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)2166-532X10.1063/5.0071161https://doaj.org/article/56f1a13d81014d4ca4a9372b943f00da2021-11-01T00:00:00Zhttp://dx.doi.org/10.1063/5.0071161https://doaj.org/toc/2166-532XThe quantum spin liquid (QSL) state in rare-earth triangular lattices has attracted much attention recently due to its potential application in quantum computing and communication. Here, we report the single-crystal growth synthesis, crystal structure characterizations, and magnetic properties of AYbSe2 (A = K and Rb) compounds. The x-ray diffraction analysis shows that AYbSe2 (A = K and Rb) crystallizes in a trigonal space group, R-3m (No. 166) with Z = 3. AYbSe2 possesses a two-dimensional (2D) Yb–Se–Yb layered structure formed by edged-shared YbSe6 octahedra. The magnetic properties are highly anisotropic for both title compounds, and no long-range order is found down to 0.4 K, revealing the possible QSL ground state in these compounds. The isothermal magnetization exhibits a one-third magnetization plateau when the magnetic fields are applied in the ab-plane. Heat capacity is performed along both ab-plane and c axis and features the characteristic dome for triangular magnetic lattice compounds as a function of magnetic fields. Due to the change in the interlayer and intralayer distance of Yb3+, the dome shifts to low fields from KYbSe2 to RbYbSe2. All these results indicate that the AYbSe2 family presents unique frustrated magnetism close to the possible QSL and noncollinear spin states.Jie XingLiurukara D. SanjeewaAndrew F. MayAthena S. SefatAIP Publishing LLCarticleBiotechnologyTP248.13-248.65PhysicsQC1-999ENAPL Materials, Vol 9, Iss 11, Pp 111104-111104-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biotechnology TP248.13-248.65 Physics QC1-999
spellingShingle	Biotechnology TP248.13-248.65 Physics QC1-999 Jie Xing Liurukara D. Sanjeewa Andrew F. May Athena S. Sefat Synthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)
description	The quantum spin liquid (QSL) state in rare-earth triangular lattices has attracted much attention recently due to its potential application in quantum computing and communication. Here, we report the single-crystal growth synthesis, crystal structure characterizations, and magnetic properties of AYbSe2 (A = K and Rb) compounds. The x-ray diffraction analysis shows that AYbSe2 (A = K and Rb) crystallizes in a trigonal space group, R-3m (No. 166) with Z = 3. AYbSe2 possesses a two-dimensional (2D) Yb–Se–Yb layered structure formed by edged-shared YbSe6 octahedra. The magnetic properties are highly anisotropic for both title compounds, and no long-range order is found down to 0.4 K, revealing the possible QSL ground state in these compounds. The isothermal magnetization exhibits a one-third magnetization plateau when the magnetic fields are applied in the ab-plane. Heat capacity is performed along both ab-plane and c axis and features the characteristic dome for triangular magnetic lattice compounds as a function of magnetic fields. Due to the change in the interlayer and intralayer distance of Yb3+, the dome shifts to low fields from KYbSe2 to RbYbSe2. All these results indicate that the AYbSe2 family presents unique frustrated magnetism close to the possible QSL and noncollinear spin states.
format	article
author	Jie Xing Liurukara D. Sanjeewa Andrew F. May Athena S. Sefat
author_facet	Jie Xing Liurukara D. Sanjeewa Andrew F. May Athena S. Sefat
author_sort	Jie Xing
title	Synthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)
title_short	Synthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)
title_full	Synthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)
title_fullStr	Synthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)
title_full_unstemmed	Synthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)
title_sort	synthesis and anisotropic magnetism in quantum spin liquid candidates aybse2 (a = k and rb)
publisher	AIP Publishing LLC
publishDate	2021
url	https://doaj.org/article/56f1a13d81014d4ca4a9372b943f00da
work_keys_str_mv	AT jiexing synthesisandanisotropicmagnetisminquantumspinliquidcandidatesaybse2akandrb AT liurukaradsanjeewa synthesisandanisotropicmagnetisminquantumspinliquidcandidatesaybse2akandrb AT andrewfmay synthesisandanisotropicmagnetisminquantumspinliquidcandidatesaybse2akandrb AT athenassefat synthesisandanisotropicmagnetisminquantumspinliquidcandidatesaybse2akandrb
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Synthesis and anisotropic magnetism in quantum spin liquid candidates AYbSe2 (A = K and Rb)

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