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Precisely tunable magnetic phase transition temperature, TC, through the formation of a molecular alloy in [NixPt1-x(mnt)2](-)-based spin systems (mnt(2-) = maleonitriledithiolate, x = 0.09-0.91).

作者信息

Yuan Guo-Jun, Yang Hao, Liu Shao-Xian, Liu Jian-Lan, Ren Xiao-Ming

机构信息

State Key Laboratory of Materials-Oriented Chemical Engineering and College of Science, Nanjing University of Technology, Nanjing 210009, China.

出版信息

Dalton Trans. 2014 Aug 21;43(31):11908-14. doi: 10.1039/c4dt00868e.

DOI:10.1039/c4dt00868e
PMID:24968104
Abstract

Nine molecular substitutional alloys with formula [Cl-BzPy][NixPt1-x(mnt)2] (x = 0.09-0.91) were prepared by mixing the isostructural [Cl-BzPy][Ni(mnt)2] and [Cl-BzPy][Pt(mnt)2] in acetonitrile according to the molar ratio of x/(1 - x), where mnt(2-) = maleonitriledithiolate, Cl-BzPy(+) = 1-(4'-chloro-benzyl)pyridinium. Each alloy compound is isostructural with the parent compounds and shows a magnetic transition; the TC decreases linearly with the molar fraction x, indicating that TC is precisely tunable in this alloy system.

摘要

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