Anomalies of properties in a series of K2CoxNi1−x(SO4)2 · 6H2O mixed crystals


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Resumo

The microhardness and thermal stability of K2CoxNi1x(SO4)2 · 6H2O mixed crystals have been investigated. Microhardness peaks and dehydration onset temperatures are found in the composition range x = 0.05–0.23. The observed anomalies of properties are related to the anomalous changes in the structural parameters of the crystals in this composition range with an increase in the cobalt content. It is shown that structural imperfection of the crystals depends on the sectorial inhomogeneity and reaches a maximum at x = 0.43–0.54.

Sobre autores

E. Rudneva

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Email: labsol@crys.ras.ru
Rússia, Moscow, 119333

V. Manomenova

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Email: labsol@crys.ras.ru
Rússia, Moscow, 119333

M. Koldaeva

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Email: labsol@crys.ras.ru
Rússia, Moscow, 119333

N. Sorokina

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Email: labsol@crys.ras.ru
Rússia, Moscow, 119333

A. Voloshin

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Autor responsável pela correspondência
Email: labsol@crys.ras.ru
Rússia, Moscow, 119333

V. Grebenev

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Email: labsol@crys.ras.ru
Rússia, Moscow, 119333

I. Verin

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Email: labsol@crys.ras.ru
Rússia, Moscow, 119333

M. Lyasnikova

Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,”

Email: labsol@crys.ras.ru
Rússia, Moscow, 119333

V. Masalov

Institute of Solid State Physics

Email: labsol@crys.ras.ru
Rússia, Chernogolovka, Moscow oblast, 142432

A. Zhokhov

Institute of Solid State Physics

Email: labsol@crys.ras.ru
Rússia, Chernogolovka, Moscow oblast, 142432

G. Emelchenko

Institute of Solid State Physics

Email: labsol@crys.ras.ru
Rússia, Chernogolovka, Moscow oblast, 142432

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