Valery Chani - Academia.edu (original) (raw)
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Papers by Valery Chani
A comparison of the μ-PD technique with other (sometimes very similar) melt growth configurations... more A comparison of the μ-PD technique with other (sometimes very similar) melt growth configurations is made. Both well known and relatively rare procedures are reviewed. An attempt is made to classify melt growth methods where crystal growth is achieved through displacement of the solidified material in the downward direction. This classification scheme was based on the appearance and spatial positioning of the basic components of the growth system: the melt, the solids, the crucible, etc. The advantages and shortcomings of μ-PD are summarized from the point of view of the process, the degree of control over the shape of the crystal, and the ability of the technique to be industrialized. Some historical comments demonstrate the evolution of the method from methodological and technical points of view. There are a number of melt growth techniques that permit the production of relatively uniform quasi-one-dimensional single-crystalline materials. Most of them were well classified and des...
Crystal Growth & Design
The sealed vertical Bridgman (VB) method is the main technique used to grow SrI2(Eu) crystals bec... more The sealed vertical Bridgman (VB) method is the main technique used to grow SrI2(Eu) crystals because SrI2(Eu) is very hygroscopic. In this study, we grew SrI2(Eu) single crystals with two-inch diameters and four-inch lengths using the VB method equipped with a removable chamber. The SrI2(Eu) single crystals were produced by the Liquinert process, which requires careful consideration of the crucible material and growth atmosphere. After a review of available materials, carbon crucibles were selected due to their several advantages over traditional quartz ampules: (1) they are suitable for large size crystal growth due to which they do not require any process for sealing of quartz ampule before the growth; (2) ease in controlling the temperature gradient because carbon crucibles can be heated directly via a high frequency induction heating system; and (3) carbon crucibles can assist in removing oxygen and moisture from the melt. The starting material, seed, and hot zone were prepared inside the glovebox in...
Advanced Engineering Materials
Acta Crystallographica Section C Crystal Structure Communications
Crystal Growth Design, Apr 12, 2011
Journal of Crystal Growth, 2011
Ferroelectrics, Mar 9, 2011
Japanese Journal of Applied Physics, Mar 1, 1995
Journal of Crystal Growth, 2000
Japanese Journal of Applied Physics, 1994
Materials Science Engineering B Solid State Materials For Advanced Technology, 2000
Journal of Materials Research, Jun 1, 1999
Nuclear Instruments and Methods in Physics Research Section a Accelerators Spectrometers Detectors and Associated Equipment, Feb 1, 2012
A comparison of the μ-PD technique with other (sometimes very similar) melt growth configurations... more A comparison of the μ-PD technique with other (sometimes very similar) melt growth configurations is made. Both well known and relatively rare procedures are reviewed. An attempt is made to classify melt growth methods where crystal growth is achieved through displacement of the solidified material in the downward direction. This classification scheme was based on the appearance and spatial positioning of the basic components of the growth system: the melt, the solids, the crucible, etc. The advantages and shortcomings of μ-PD are summarized from the point of view of the process, the degree of control over the shape of the crystal, and the ability of the technique to be industrialized. Some historical comments demonstrate the evolution of the method from methodological and technical points of view. There are a number of melt growth techniques that permit the production of relatively uniform quasi-one-dimensional single-crystalline materials. Most of them were well classified and des...
Crystal Growth & Design
The sealed vertical Bridgman (VB) method is the main technique used to grow SrI2(Eu) crystals bec... more The sealed vertical Bridgman (VB) method is the main technique used to grow SrI2(Eu) crystals because SrI2(Eu) is very hygroscopic. In this study, we grew SrI2(Eu) single crystals with two-inch diameters and four-inch lengths using the VB method equipped with a removable chamber. The SrI2(Eu) single crystals were produced by the Liquinert process, which requires careful consideration of the crucible material and growth atmosphere. After a review of available materials, carbon crucibles were selected due to their several advantages over traditional quartz ampules: (1) they are suitable for large size crystal growth due to which they do not require any process for sealing of quartz ampule before the growth; (2) ease in controlling the temperature gradient because carbon crucibles can be heated directly via a high frequency induction heating system; and (3) carbon crucibles can assist in removing oxygen and moisture from the melt. The starting material, seed, and hot zone were prepared inside the glovebox in...
Advanced Engineering Materials
Acta Crystallographica Section C Crystal Structure Communications
Crystal Growth Design, Apr 12, 2011
Journal of Crystal Growth, 2011
Ferroelectrics, Mar 9, 2011
Japanese Journal of Applied Physics, Mar 1, 1995
Journal of Crystal Growth, 2000
Japanese Journal of Applied Physics, 1994
Materials Science Engineering B Solid State Materials For Advanced Technology, 2000
Journal of Materials Research, Jun 1, 1999
Nuclear Instruments and Methods in Physics Research Section a Accelerators Spectrometers Detectors and Associated Equipment, Feb 1, 2012