Synthesis, structure and magnetic properties of two new iron(Ш) selenites - Details

author：

Zhang, Y. (Zhang, Y..) ^[1] | Lu, C. (Lu, C..) ^[2] | Cui, M. (Cui, M..) ^[3] | Zhao, Z. (Zhao, Z..) ^[4] | He, Z. (He, Z..) ^[5]

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Abstract：

Two　new　iron-based　selenites　AFe2(SeO3)4　(A　=　Sr　and　Hg)　have　been　successfully　obtained　via　a　hydrothermal　reaction.　Both　of　two　compounds　exhibit　a　classic　channel　structure,　where　SrFe2(SeO3)4　and　HgFe2(SeO3)4　crystallize　in　different　space　groups　of　triclinic　P-1　and　tetragonal　I-42d,　respectively.　Magnetic　measurements　indicate　that　SrFe2(SeO3)4　shows　a　collinear　antiferromagnetic　ordering　below　TN　=　23.5　K,　while　HgFe2(SeO3)4　undergoes　a　canted　antiferromagnetic　ordering　below　TN　=　34　K.　Further,　magnetic　anisotropy　of　HgFe2(SeO3)4　is　also　investigated　using　a　large-sized　single　crystal　sample,　confirming　magnetization　easy　a-b　plane　in　the　system.　Moreover,　the　optical　band-gaps　of　SrFe2(SeO3)4　and　HgFe2(SeO3)4　are　2.70　eV　and　2.77　eV　estimated　from　the　UV–vis　diffuse　reflectance　spectra,　indicating　that　they　may　be　semiconductors.　©　2023　Elsevier　Inc.

Keyword：

Crystal structure Hydrothermal reaction Magnetic anisotropy Magnetic properties Selenite

Community：

[ 1 ] [Zhang Y.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 2 ] [Zhang Y.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
[ 3 ] [Lu C.]College of Chemistry, Fuzhou University, Fuzhou, 350108, China
[ 4 ] [Lu C.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
[ 5 ] [Cui M.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
[ 6 ] [Zhao Z.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China
[ 7 ] [He Z.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China

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Source ：

Journal of Solid State Chemistry

ISSN： 0022-4596

Year： 2023

Volume： 323

3 . 2

JCR@2023

3 . 2 0 0

JCR@2023

ESI HC Threshold：39

JCR Journal Grade：2

CAS Journal Grade：3

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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