The Problem of Formation of Mixed Crystals and High-Efficiency K<sub>2</sub>(Co, Ni)(SO<sub>4</sub>)<sub>2</sub> • 6H<sub>2</sub>O Optical Filters
This review, for the first time, summarizes the results of studies of the defect formation mechanisms in mixed crystals grown from aqueous solutions. The general mechanism of interaction of a crystal with a foreign solution is described (reaction of isomorphous replacement). As a result of this reac...
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-07-01
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| Series: | Crystals |
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| Online Access: | https://www.mdpi.com/2073-4352/9/8/390 |
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| author | Alexey Voloshin Elena Rudneva Vera Manomenova Natalie Vasilyeva Sergey Kovalev Gennadii Emelchenko Vladimir Masalov Andrey Zhokhov |
| author_facet | Alexey Voloshin Elena Rudneva Vera Manomenova Natalie Vasilyeva Sergey Kovalev Gennadii Emelchenko Vladimir Masalov Andrey Zhokhov |
| author_sort | Alexey Voloshin |
| collection | DOAJ |
| description | This review, for the first time, summarizes the results of studies of the defect formation mechanisms in mixed crystals grown from aqueous solutions. The general mechanism of interaction of a crystal with a foreign solution is described (reaction of isomorphous replacement). As a result of this reaction, the crystal surface turns into a mosaic of local areas where multidirectional processes (dissolution and growth) occur simultaneously. Data on mosaic microinhomogeneity, which is a new type of composition inhomogeneity inherent solely to multicomponent crystals, is presented. A new mechanism for the mismatch stress relaxation in heterocompositions of brittle crystals grown from low-temperature solutions is described; in this case, the formation of misfit dislocations is impossible and stress relaxation occurs due to the formation of numerous inclusions at the interface. The general concept of growing high-quality mixed crystals from solutions is described, using the example of K<sub>2</sub>(Co, Ni)(SO)<sub>2</sub> · 6H<sub>2</sub>O (KCNSH) mixed crystals. |
| first_indexed | 2024-04-11T13:09:14Z |
| format | Article |
| id | doaj.art-775d349b108f4d92a6779efad5e75181 |
| institution | Directory Open Access Journal |
| issn | 2073-4352 |
| language | English |
| last_indexed | 2024-04-11T13:09:14Z |
| publishDate | 2019-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Crystals |
| spelling | doaj.art-775d349b108f4d92a6779efad5e751812022-12-22T04:22:38ZengMDPI AGCrystals2073-43522019-07-019839010.3390/cryst9080390cryst9080390The Problem of Formation of Mixed Crystals and High-Efficiency K<sub>2</sub>(Co, Ni)(SO<sub>4</sub>)<sub>2</sub> • 6H<sub>2</sub>O Optical FiltersAlexey Voloshin0Elena Rudneva1Vera Manomenova2Natalie Vasilyeva3Sergey Kovalev4Gennadii Emelchenko5Vladimir Masalov6Andrey Zhokhov7Shubnikov Institute of Crystallography of Federal Scientific Research Center “Crystallography and Photonics” of Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Center “Crystallography and Photonics” of Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Center “Crystallography and Photonics” of Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Center “Crystallography and Photonics” of Russian Academy of Sciences, Moscow 119333, RussiaShubnikov Institute of Crystallography of Federal Scientific Research Center “Crystallography and Photonics” of Russian Academy of Sciences, Moscow 119333, RussiaInstitute of Solid State Physics of Russian Academy of Sciences, Chernogolovka, Moscow District 142432, RussiaInstitute of Solid State Physics of Russian Academy of Sciences, Chernogolovka, Moscow District 142432, RussiaInstitute of Solid State Physics of Russian Academy of Sciences, Chernogolovka, Moscow District 142432, RussiaThis review, for the first time, summarizes the results of studies of the defect formation mechanisms in mixed crystals grown from aqueous solutions. The general mechanism of interaction of a crystal with a foreign solution is described (reaction of isomorphous replacement). As a result of this reaction, the crystal surface turns into a mosaic of local areas where multidirectional processes (dissolution and growth) occur simultaneously. Data on mosaic microinhomogeneity, which is a new type of composition inhomogeneity inherent solely to multicomponent crystals, is presented. A new mechanism for the mismatch stress relaxation in heterocompositions of brittle crystals grown from low-temperature solutions is described; in this case, the formation of misfit dislocations is impossible and stress relaxation occurs due to the formation of numerous inclusions at the interface. The general concept of growing high-quality mixed crystals from solutions is described, using the example of K<sub>2</sub>(Co, Ni)(SO)<sub>2</sub> · 6H<sub>2</sub>O (KCNSH) mixed crystals.https://www.mdpi.com/2073-4352/9/8/390solution crystal growthmixed crystalsisomorphous replacementmechanism of stress relaxationoptical filterssolar-blind technology |
| spellingShingle | Alexey Voloshin Elena Rudneva Vera Manomenova Natalie Vasilyeva Sergey Kovalev Gennadii Emelchenko Vladimir Masalov Andrey Zhokhov The Problem of Formation of Mixed Crystals and High-Efficiency K<sub>2</sub>(Co, Ni)(SO<sub>4</sub>)<sub>2</sub> • 6H<sub>2</sub>O Optical Filters Crystals solution crystal growth mixed crystals isomorphous replacement mechanism of stress relaxation optical filters solar-blind technology |
| title | The Problem of Formation of Mixed Crystals and High-Efficiency K<sub>2</sub>(Co, Ni)(SO<sub>4</sub>)<sub>2</sub> • 6H<sub>2</sub>O Optical Filters |
| title_full | The Problem of Formation of Mixed Crystals and High-Efficiency K<sub>2</sub>(Co, Ni)(SO<sub>4</sub>)<sub>2</sub> • 6H<sub>2</sub>O Optical Filters |
| title_fullStr | The Problem of Formation of Mixed Crystals and High-Efficiency K<sub>2</sub>(Co, Ni)(SO<sub>4</sub>)<sub>2</sub> • 6H<sub>2</sub>O Optical Filters |
| title_full_unstemmed | The Problem of Formation of Mixed Crystals and High-Efficiency K<sub>2</sub>(Co, Ni)(SO<sub>4</sub>)<sub>2</sub> • 6H<sub>2</sub>O Optical Filters |
| title_short | The Problem of Formation of Mixed Crystals and High-Efficiency K<sub>2</sub>(Co, Ni)(SO<sub>4</sub>)<sub>2</sub> • 6H<sub>2</sub>O Optical Filters |
| title_sort | problem of formation of mixed crystals and high efficiency k sub 2 sub co ni so sub 4 sub sub 2 sub • 6h sub 2 sub o optical filters |
| topic | solution crystal growth mixed crystals isomorphous replacement mechanism of stress relaxation optical filters solar-blind technology |
| url | https://www.mdpi.com/2073-4352/9/8/390 |
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