Exploring the Effects of Synthetic and Postsynthetic Grinding on the Properties of the Spin Crossover Material [Fe(atrz)3](BF4)2 (atrz = 4-Amino-4H-1,2,4-Triazole)

被引：4
|
作者：
Askew, Jed H. [1 ]
Pickup, David M. [1 ]
Lloyd, Gareth O. [2 ]
Chadwick, Alan V. [1 ]
Shepherd, Helena J. [1 ]
机构：
[1] Univ Kent, Sch Phys Sci, Pk Wood Rd, Canterbury CT2 7NH, Kent, England
[2] Univ Lincoln, Sch Chem, Joseph Banks Labs, Lincoln LN6 7TS, England
来源：
MAGNETOCHEMISTRY | 2020年 / 6卷 / 03期
关键词：
spin crossover; mechanochemistry; TRANSITION MOLECULAR MATERIALS; TEMPERATURE; COMPLEXES;
D O I：
10.3390/magnetochemistry6030044
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The effects of mechanochemical synthesis and postsynthetic grinding on the spin crossover material [Fe(atrz)(3)](BF4)(2) was examined in detail using a combination of X-ray diffraction, magnetometry, EXAFS and TEM. Mechanochemical synthesis yielded a different polymorph (beta-phase) to the solution synthesised sample (alpha-phase), with a lower temperature spin crossover. Milling duration did not significantly affect this temperature but did result in the production of smaller nanoparticles with a narrower size distribution. It is also possible to convert from alpha- to the beta-phase via postsynthetic grinding.
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页码：1 / 12
页数：12
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