Specific growing features of variable section sapphire articles by Stepanov technique

Problems in growth of variable section corundum crystals by Stepanov technique have been considered. The structure perfection of the crystal profile variation zone has been studied as a function of the growing technology parameters. A procedure has been developed to provide variable section sapphire...

Full description

Saved in:
Bibliographic Details
Published in:Functional Materials
Date:2008
Main Authors: Konevskiy, P.V., Andreev, E.P., Lytvynov, L.A.
Format: Article
Language:English
Published: НТК «Інститут монокристалів» НАН України 2008
Subjects:
Online Access:https://nasplib.isofts.kiev.ua/handle/123456789/134539
Tags: Add Tag
No Tags, Be the first to tag this record!
Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Specific growing features of variable section sapphire articles by Stepanov technique // P.V. Konevskiy, E.P. Andreev, L.A. Lytvynov // Functional Materials. — 2008. — Т. 15, № 2. — С. 283-286. — Бібліогр.: 8 назв. — англ.

Institution

Digital Library of Periodicals of National Academy of Sciences of Ukraine
_version_ 1859585605114003456
author Konevskiy, P.V.
Andreev, E.P.
Lytvynov, L.A.
author_facet Konevskiy, P.V.
Andreev, E.P.
Lytvynov, L.A.
citation_txt Specific growing features of variable section sapphire articles by Stepanov technique // P.V. Konevskiy, E.P. Andreev, L.A. Lytvynov // Functional Materials. — 2008. — Т. 15, № 2. — С. 283-286. — Бібліогр.: 8 назв. — англ.
collection DSpace DC
container_title Functional Materials
description Problems in growth of variable section corundum crystals by Stepanov technique have been considered. The structure perfection of the crystal profile variation zone has been studied as a function of the growing technology parameters. A procedure has been developed to provide variable section sapphire profiles of optical quality. Розглянуто проблеми отримання кристалів корунду змінного перетину методом Степанова. Досліджено структурну досконалість зони зміни профілю кристала від технологічних параметрів зростання. Розроблено спосіб вирощування сапфірових профілів змінного перетину оптичної якості. Рассмотрены проблемы получения кристаллов корунда переменного сечения методом Степанова. Исследовано структурное совершенство зоны изменения профиля кристалла от технологических параметров роста. Разработан способ выращивания сапфировых профилей переменного сечения оптического качества.
first_indexed 2025-11-27T09:27:58Z
format Article
fulltext 6SHFLILF�JURZLQJ�IHDWXUHV�RI�YDULDEOH�VHFWLRQVDSSKLUH�DUWLFOHV�E\�6WHSDQRY�WHFKQLTXH 3�9�.RQHYVNL\��(�3�$QGUHHY��/�$�/\WY\QRY ,QVWLWXWH�IRU�6LQJOH�&U\VWDOV��67&��,QVWLWXWH�IRU�6LQJOH�&U\VWDOV���1DWLRQDO $FDGHP\�RI�6FLHQFHV�RI�8NUDLQH�����/HQLQ�$YH���������.KDUNLY��8NUDLQH 5HFHLYHU�'HFHPEHU��������� 3UREOHPV�LQ�JURZWK�RI�YDULDEOH�VHFWLRQ�FRUXQGXP�FU\VWDOV�E\�6WHSDQRY�WHFKQLTXH�KDYH EHHQ� FRQVLGHUHG�� 7KH� VWUXFWXUH� SHUIHFWLRQ� RI� WKH� FU\VWDO� SURILOH� YDULDWLRQ� ]RQH� KDV� EHHQ VWXGLHG�DV�D�IXQFWLRQ�RI�WKH�JURZLQJ�WHFKQRORJ\�SDUDPHWHUV��$�SURFHGXUH�KDV�EHHQ�GHYHO� RSHG�WR�SURYLGH�YDULDEOH�VHFWLRQ�VDSSKLUH�SURILOHV�RI�RSWLFDO�TXDOLW\� cȰ°äº�¯ËÓ©� ¹¯º­ãËä©� ¹ºã��ËÓÒ«� }¯Ò°�Èããºm� }º¯�Ó�È� ¹Ë¯ËäËÓÓº�º� °Ë�ËÓÒ«� äË�º� �ºä�v�˹ÈÓºmÈ��j°°ãË�ºmÈÓº�°�¯�}��¯ÓºË�°ºm˯�ËÓ°�mº�Ϻө�ÒÏäËÓËÓÒ«�¹¯ºÁÒã«�}¯Ò°� �ÈããÈ�º���˲Ӻãº�Ò�˰}Ò²�¹È¯ÈäË�¯ºm�¯º°�È��cÈϯȭº�ÈÓ�°¹º°º­�m©¯È�ÒmÈÓÒ«�°È¹ÁÒ¯º� m©²�¹¯ºÁÒãË®�¹Ë¯ËäËÓÓº�º�°Ë�ËÓÒ«�º¹�Ò�˰}º�º�}È�˰�mÈ� 6DSSKLUH� LV� LQGLVSHQVDEOH� LQ� QXPHURXV WHFKQRORJLFDO� V\VWHPV�GXH� WR� LWV�PHFKDQLFDO DQG� FKHPLFDO� SURSHUWLHV�� 5HFHQWO\�� WKHUH� LV DQ� LQFUHDVLQJ� LQWHUHVW� LQ� VDSSKLUH� ZDUHV VKDSHG� DV� FUXFLEOHV� RI� YDULRXV� FRQILJXUD� WLRQV��6XFK� DUWLFOHV� DUH�XVHG� DV� WKHUPRFRX� SOH�FDVLQJV��FUXFLEOHV��WKHUPRVWDW�SDUWV��7KH FU\VWDO�VKDSH�FKDQJH�GXULQJ�WKH�JURZLQJ�UH� VXOWV� LQ� YDU\LQJ� WKHUPDO� FRQGLWLRQV� LQ� WKH FU\VWDOOL]DWLRQ� ]RQH�� WKXV� FDXVLQJ� YDULRXV GHIHFWV�DIIHFWLQJ�WKH�RSWLFDO�SURSHUWLHV��7KH GLVORFDWLRQ� GHQVLW\� DQG� VWUHVV� OHYHO� LQ� WKH SURILOH�FKDQJLQJ�UHJLRQ�LQFUHDVH��WRR� $�QXPEHU�RI�WHFKQLTXHV�LV�NQRZQ�WR�SUR� YLGH�WKH�DUWLFOHV� LQFOXGLQJ�D�FORVHG�YROXPH� VXFK� DV� WKH� QRQ�FDSLOODU\� IRUPLQJ�� WKH� GLH UHDUUDQJHPHQW�� WKH� JURZLQJ� IURP� D� PROG HOHPHQW�� YDULDWLRQ� WHFKQLTXH�� DQG� VHDOLQJ >�Ü�@��+RZHYHU��QRQH�RI� WKRVH�SURYLGHV� WKH RSWLFDO� TXDOLW\� DUWLFOHV��7KLV�ZRUN� LV� DLPHG DW�WKH�PDQXIDFWXULQJ�RI�RSWLFDO�TXDOLW\�VDS� SKLUH�SURILOHV�RI�YDULDEOH�VHFWLRQ� 7KH� FU\VWDOV� ZHUH� JURZQ� LQ� D� �.ULVWDOO ����� XQLW� ZLWK� LQGXFWLYH� KHDWLQJ� DQG JUDSKLWH� WKHUPDO� DVVHPEO\�� 7KH� EUHDNDJH RI� VDSSKLUH� JURZQ� E\� WKH� 9HUQHXLO� WHFK� QLTXH� ZLWK� WKH� WRWDO� LPSXULW\� FRQWHQW� RI PD[���Ü��PDVV���ZDV�XVHG�DV�WKH�UDZ�PD� WHULDO�� WKH� JURZWK� SURFHVV� ZDV� PRQLWRUHG XVLQJ� D� YLGHR� V\VWHP�� 7KH� WUDQVLWLRQ� ]RQH JURZWK� VSHHG� ZDV� PDLQWDLQHG� DW� ��Ü ���PP�K�LQ�DOO�WKH�H[SHULPHQWV� 7KH�IROORZLQJ�SURFHGXUH�ZDV�GHYHORSHG�WR PDQXIDFWXUH� WKH� DUWLFOHV� ZLWK� RSWLFDO� TXDO� LW\�ERWWRP��)LUVW��D� FU\VWDO�ZDV�JURZQ�WKDW GHILQHG� WKH� DUWLFOH� �ZDOOV�� �D� F\OLQGULFDO WXEH� LQ� WKH� VLPSOHVW� FDVH��� DQG� WKHQ� WKH �ERWWRP��RI�GHVLUHG�SURILOH��H�J���D�F\OLQGUL� FDO� URG� �)LJ������ZDV�JURZQ�RQWR� WKH��ZDOO� XVLQJ� WKH� ODWWHU� DV� D� VHHG�� 7KH� ERWWRP� HQG JURZLQJ� �VHDOLQJ�� ZDV� FDUULHG� RXW� XVLQJ� D GLH�ZLWK�RQH�IHHGLQJ�FKDQQHO��WKXV�DYRLGLQJ WKH� FROOLVLRQ� RI� PHOW� IORZV� LQ� WKH� JURZWK ]RQH� DQG� IRUPDWLRQ� RI� GHIHFW� ]RQHV� LQ� WKH FU\VWDO�>����@��7R�SURYLGH�WKH�IRUPDWLRQ�RI�D VWDEOH� PHOW� ILOP�� WKH� VHHGLQJ� DQG� JURZLQJ ZHUH�FDUULHG�RXW�DW�D�KLJK�K\GURVWDWLF�SUHV� VXUH�RI�WKH�PHOW�LQ�WKH�JURZWK�]RQH��WR�WKDW HQG�� WKH� PD[LPXP� FUXFLEOH� FKDUJLQJ� ZDV XVHG�� 9DULRXV� DSH[� DQJOHV�D� RI� WKH� ERWWRP SDUW� ZHUH� SURYLGHG� WKDW� GHILQH� WKH� ERWWRP TXDOLW\� E\� YDU\LQJ� WKH� KHDWHU� SRZHU�� WKH WKHUPDO� FRQGLWLRQV� LQ� WKH� FU\VWDOOL]DWLRQ ]RQH�DQG� WKH�SXOOLQJ�VSHHG�EHLQJ� WKH�VDPH� 7KLV�PDGH�LW�SRVVLEOH�WR�YDU\�WKH�WUDQVLWLRQ OHQJWK�K�DQG�LWV�SURILOH��)LJ����� 7R� VWXG\� WKH� GHSHQGHQFH� RI� WKH� WUDQVL� WLRQ� ]RQH� VWUXFWXUH� SHUIHFWLRQ� RQ� WKH� GLH )XQFWLRQDO�0DWHULDOV�����1R��������� �������Û�,QVWLWXWH�IRU�6LQJOH�&U\VWDOV )XQFWLRQDO�PDWHULDOV������������� ��� GHVLJQ��WKH�WXEHV�RI�WKH�VDPH�VWUXFWXUH�SHU� IHFWLRQ�ZHUH� VHDOHG� XVLQJ� WKH� IODW� DQG� FRQ� FDYH�GLHV��)LJ������$OO�WKH�H[SHULPHQWV�ZHUH FDUULHG� RXW� XVLQJ� WKH� WXEHV� RI� 2'� ���PP DQG� ,'� ��� PP� DQG� WKH� GLHV� RI� ��� PP� LQ GLDPHWHU�ZLWK�WKH�����PP�GLDPHWHU�IHHGLQJ FKDQQHO�� 7KH� EORFN� VWUXFWXUH� DQG� WKH� SRUH GHQVLW\� LQ� WKH� WUDQVLWLRQ� ]RQH�ZHUH� VWXGLHG XVLQJ� D�0,1��� SRODUL]DWLRQ�PLFURVFRSH� DQG D� 3.5� SRODULVFRSH� LQ� VFDWWHUHG� DQG� SRODU� L]HG� OLJKW�� 7R� WKDW� HQG�� WZR� SDUDOOHO� SRO� LVKHG� SODQHV� ZHUH� PDGH� DORQJ� WKH� VDPSOH D[LV� (IIHFW� RI� WKH� JURZLQJ� DQJOH� D� RQ� WKH VWUXFWXUH�SHUIHFWLRQ�RI�WKH�ERWWRP��)LJ����� D� ������ 7KH� WUDQVLWLRQ� ]RQH� SURILOH� LV DOPRVW� IODW�� WKH� WUDQVLWLRQ� UHODWLYH� OHQJWK K�,'������ 7KLV� LV� GXH� WR� WKH� KLJK� FU\VWDO� OL]DWLRQ� VSHHG�� WKH� FU\VWDO� UDGLDO� JURZWK VSHHG�H[FHHGV�FRQVLGHUDEO\�WKH�D[LDO�RQH��$ KLJK�GHIHFW�GHQVLW\�ZDV�REVHUYHG�ZLWKLQ�WKH WUDQVLWLRQ� ]RQH� ���Ü���EORFNV�ZLWK� WKH�GLV� RULHQWDWLRQ�DQJOHV�RI��Ü����WKH�SRUH�GHQVLW\ DERXW� ����FPÜ��� WKH� SRUH� VL]H� DERXW� ��� WR ���PP��� 7KH� ERWWRP� LV� RSWLFDOO\� RSDTXH� &UDFNV� ZHUH� RIWHQ� DSSHDUHG� LQ� WKH� WUDQVL� WLRQ� ]RQH� GXH� WR� WKH� WKHUPRHODVWLF� VWUHVVHV DW�WKH�EORFN�ERXQGDULHV� D� ������ 7KH� WUDQVLWLRQ� ]RQH� SURILOH� LV VSKHULFDO�ZLWK�WKH�UDGLXV����,'��WKH�WUDQVL� WLRQ� UHODWLYH� OHQJWK� LV� ����,K�,'���� 7KH SRUH� GHQVLW\� LQ� WKH� WUDQVLWLRQ� ]RQH� ZDV DERXW� ����FPÜ��� WKH� QXPEHU� RI� EORFNV� �� WR �� ZLWK� GLVRULHQWDWLRQ� DQJOHV� RI� ��5� WR� ��5� 7KH�ERWWRP�LV�RSWLFDOO\�WUDQVSDUHQW� D� ������ 7KH� WUDQVLWLRQ� ]RQH� SURILOH� LV FRQLFDO��7KH�SURILOH�EHFDPH�FORVHG�DW�D�FRQ� VLGHUDEOH� GLVWDQFH� IURP� WKH� VHHGLQJ� SRLQW� WKH� WUDQVLWLRQ� UHODWLYH� OHQJWK� LV�K�,'!���$ FKDLQ�RI�SRUHV�DSSHDUHG�RIWHQ� LQ�WKH�FHQWHU GXH� WR� WKH� PHOW� RYHUKHDWLQJ� DQG� LWV� LQ� FUHDVHG�JDV� VDWXUDWLRQ��7KH� WUDQVLWLRQ� ]RQH ZDV�DV\PPHWULFDO� ,W� LV� VHHQ� IURP� 7DEOH� WKDW� WKH� RSWLPXP IRUPDWLRQ� FRQGLWLRQV� RI� WKH� WUDQVLWLRQ� ]RQH �ERWWRP� SDUW�� DUH� SURYLGHG� DW� D� ����� DQG WKH�WUDQVLWLRQ�]RQH�OHQJWK�RI����,'�WR��,'� (IIHFW� RI� WKH� GLH� VKDSLQJ� VXUIDFH� RQ� WKH WUDQVLWLRQ�]RQH�TXDOLW\� :KHQ�JURZLQJ�WKH�ERWWRP�SDUW�RI�DQ�DU� WLFOH� XVLQJ� GLHV� ZLWK� IODW� DQG� FRQFDYH� VXU� )LJ����6HDOLQJ�RI�D�F\OLQGULFDO� WXEH���D��VHHG� LQJ���E��VLGH�JURZLQJ���F��ERWWRP�JURZLQJ���� WXEH�����PHOW� ILOP����� GLH�����PHOW����� FUXFL� EOH�����ERWWRP�SDUW�RI�WKH�DUWLFOH� )LJ���� 7KH� WXEH� VHDOLQJ� DW� FRQFDYH� �D� DQG�IODW��E��GLHV� )LJ���� 7KH� WXEH�WR�URG� WUDQVLWLRQ� VKDSH� DW YDULRXV�VLGH�JURZLQJ�DQJOHV��Da��GHJ����D����� �E��������F����� 3�9�.RQHYVNL\�HW�DO����6SHFLILF�JURZLQJ�IHDWXUHV���� ��� )XQFWLRQDO�PDWHULDOV������������� IDFHV� �)LJ����� DW� WKH�JURZLQJ�DQJOH�D�a����� WKH�VPDOOHVW�QXPEHU�RI�EORFNV�ZDV�REVHUYHG LQ� WKH� ERWWRP� SDUW� JURZQ� ZLWK� FRQFDYH VKDSLQJ� VXUIDFH� �)LJ������ 7KLV� LV� FRQQHFWHG ZLWK� WKH� IDFW� WKDW�ZKHQ�WKH�ERWWRP�SDUW� LV JURZQ� XVLQJ� WKH� IODW� GLH�� WKH� WHPSHUDWXUH 7�� LV� WKH� VDPH�RYHU� WKH�ZKROH�SODQH�RI� WKHFU\VWDOOL]DWLRQ�IURQW��ZKLOH�ZLWK�WKH�FRQFDYH VKDSLQJ� VXUIDFH�� WKH� FU\VWDO� FHQWHU� SDUW JURZV� DW� D� KLJKHU� WHPSHUDWXUH�7�� �)LJ�����:LWK�WKH�IODW�GLH��WKH�VHDOLQJ�UDWH�LV�KLJKHU WKDQ� ZLWK� WKH� FRQFDYH� RQH�� WKHUHIRUH�� WKH WUDQVLWLRQ� ]RQH� FRQWDLQV� �� WR� ��� EORFNV� LI WKH� GLH� LV� IODW� DQG�� LQ� FRQWUDVW�� RQO\� �� WR �� EORFNV� LI� WKH� GLH� LV� FRQFDYH�� 7KH� FRQYH[ FU\VWDOOL]DWLRQ� IURQW� IDYRUV� DOVR� WKH� SRUH IRUFLQJ� WRZDUGV� WKH� FU\VWDO� SHULSKHU\� DQG WKH� GHFUHDVHG� FRQFHQWUDWLRQ� WKHUHRI� DW� WKH ERWWRP�FHQWHU� $W�D� ����� DQG�+�,'� ���������PP�ORQJ FUXFLEOHV� KDYH� EHHQ� JURZQ� ZLWK� ��� PP RXWHU� GLDPHWHU� DQG� RSWLFDOO\� WUDQVSDUHQW ERWWRP�� 7KUHH� EORFNV� DUH� VHHQ� ZLWKLQ� WKH WUDQVLWLRQ� ]RQH� XQGHU� SRODUL]HG� OLJKW �)LJ������7KH�ERWWRP�SDUW�LV�SRUH�IUHH� 7R�FRQFOXGH��WKH�GHSHQGHQFH�RI�WKH�WUDQ� VLWLRQ� ]RQH� VWUXFWXUH� SHUIHFWLRQ� RQ� WKH JURZLQJ�DQJOH�D�DQG�WKH�GLH�VKDSLQJ�VXUIDFH FRQILJXUDWLRQ� KDYH� EHHQ� VWXGLHG�� 7KH� EHVW FU\VWDO� TXDOLW\� LV� SURYLGHG� DW� WKH� FRQFDYH VKDSLQJ� VXUIDFH� RI� WKH� GLH� DQG� WKH� WUDQVL� WLRQ� ]RQH� JURZLQJ� DQJOH� D� RI� ��� WR� ���� 6DSSKLUH� FUXFLEOHV� ZLWK� RSWLFDOO\� WUDQVSDU� HQW�ERWWRPV�KDYH�EHHQ�REWDLQHG� 5HIHUHQFHV � ���9�$�%RURGLQ�� 7�$�6WHULRSROR�� 9�$�7DUDVHQNR� LQ�� 3URF��RI� (XU��0HHWLQJ� RQ� &U\VW�� *URZWK 0DWHU��IRU�(OHFWU���3UDJXH���������S����� � ���9�1�.XUORY�� %�0�(SHOEDXP�� -��&U\VW��*URZWK� ���������������� � ���3�,�$QWRQRY��<X�*�1RVRY��6�3�1LNDQRURY�� LQ� $EVWU��RI� �WK� $OO�8QLRQ� &RQI��RQ� &U\VW� *URZWK��<HUHYDQ���������YRO����S����� � ���(�3�$QGUHHY��/�$�/\WY\QRY��)XQFWLRQDO�0DWH� ULDOV���������������� � ���(�3�$QGUHHY�� /�$�/\WY\QRY�� 8NU��3DW� 1R�������������� � ���(�5�'REURYLQVND\D�� /�$�/\WY\QRY�� 9�9�3LVK� FKLN�� &RUXQGXP� 6LQJOH� &U\VWDOV�� 1DXNRYD 'XPND��.LHY��������>LQ�5XVVLDQ@� � ���(�3�$QGUHHY�� (�,�%XWLQHY�� LQ�� $EVWU��RI� �UG $OO�8QLRQ� &RQI��RQ� 6WDWH� DQG� 'HYHORSPHQW 3URVSHFWV�RI�&U\VW��*URZWK�0�HWKRGV��2FW������ ������21,,7(.+,0�&KHUNDVV\���������S���� � ���(�3�$QGUHHY��/�$�/\WY\QRY��9�9�3LVKFKLN��LQ� 3URF��RI� $OO�8QLRQ� &RQI��RQ� 3URGXFWLRQ� RI 3URILOHG� &U\VWDOV� DQG� $UWLFOHV� E\� 6WHSDQRY 7HFKQLTXH� DQG� $SSOLFDWLRQV� 7KHUHRI�� )7, 3XEO���/HQLQJUDG���������S���� )LJ����7KH� WXEH�WR�URG� WUDQVLWLRQ�]RQH�JURZQ XVLQJ� FRQFDYH� �D�� DQG� IODW� �E�� GLHV� DV� VHHQ EHWZHHQ�FURVVHG�SRODURLGV� )LJ���� $� ��PP� ORQJ� FUXFLEOH� VHHQ� LQ� VFDW� WHUHG� OLJKW�� 7XEH� VL]H�� 2' ��PP�� ,' �PP� ���WXEH�����WUDQVLWLRQ�]RQH�����FUXFLEOH�ERWWRP�� 7DEOH��'HSHQGHQFH�RI�WKH�ERWWRP�VWUXFWXUH SHUIHFWLRQ�RQ�WKH�JURZLQJ�DQJOH� D K�,' %ORFN QXPEHU 3RUH GHQVLW\� FPÜ� �� ���Ü��� ��Ü�� ��� �� ���Ü� �Ü� ��� �� �Ü��� �Ü�� ��� 3�9�.RQHYVNL\�HW�DO����6SHFLILF�JURZLQJ�IHDWXUHV���� )XQFWLRQDO�PDWHULDOV������������� ��� |°º­ãÒmº°�L�mÒ¯º��mÈÓÓ«�°È¹ÁL¯ºmÒ²�mÒ¯º­LmÏäLÓÓº�º�¹Ë¯Ë�ÒÓ��äË�º�ºä�v�˹ÈÓºmÈ ��{�zºÓËm° }Ò®������kÓ�¯¼¼m����k��L�mLÓºm cºÏ�ã«Ó��º�¹¯º­ãËäÒ�º�¯ÒäÈÓÓ«�}¯Ò°�ÈãLm�}º¯�Ó���ÏäLÓÓº�º�¹Ë¯Ë�ÒÓ��äË�º�ºä�v�Ë� ¹ÈÓºmÈ��iº°ãL�ÎËÓº� °�¯�}��¯Ó���º°}ºÓÈãL°� � ϺÓÒ� ÏäLÓÒ�¹¯ºÁLã �}¯Ò°�ÈãÈ� mL�� �˲Ӻ� ãº�L�ÓÒ²� ¹È¯ÈäË�¯Lm� ϯº°�ÈÓÓ«�� cºÏ¯º­ãËÓº� °¹º°L­� mÒ¯º��mÈÓÓ«� °È¹ÁL¯ºmÒ²� ¹¯ºÁLãLm ÏäLÓÓº�º�¹Ë¯Ë�ÒÓ��º¹�Ò�Óº��«}º°�L� � 3�9�.RQHYVNL\�HW�DO����6SHFLILF�JURZLQJ�IHDWXUHV���� ��� )XQFWLRQDO�PDWHULDOV�������������
id nasplib_isofts_kiev_ua-123456789-134539
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
issn 1027-5495
language English
last_indexed 2025-11-27T09:27:58Z
publishDate 2008
publisher НТК «Інститут монокристалів» НАН України
record_format dspace
spelling Konevskiy, P.V.
Andreev, E.P.
Lytvynov, L.A.
2018-06-13T16:51:37Z
2018-06-13T16:51:37Z
2008
Specific growing features of variable section sapphire articles by Stepanov technique // P.V. Konevskiy, E.P. Andreev, L.A. Lytvynov // Functional Materials. — 2008. — Т. 15, № 2. — С. 283-286. — Бібліогр.: 8 назв. — англ.
1027-5495
https://nasplib.isofts.kiev.ua/handle/123456789/134539
Problems in growth of variable section corundum crystals by Stepanov technique have been considered. The structure perfection of the crystal profile variation zone has been studied as a function of the growing technology parameters. A procedure has been developed to provide variable section sapphire profiles of optical quality.
Розглянуто проблеми отримання кристалів корунду змінного перетину методом Степанова. Досліджено структурну досконалість зони зміни профілю кристала від технологічних параметрів зростання. Розроблено спосіб вирощування сапфірових профілів змінного перетину оптичної якості.
Рассмотрены проблемы получения кристаллов корунда переменного сечения методом Степанова. Исследовано структурное совершенство зоны изменения профиля кристалла от технологических параметров роста. Разработан способ выращивания сапфировых профилей переменного сечения оптического качества.
en
НТК «Інститут монокристалів» НАН України
Functional Materials
Technology
Specific growing features of variable section sapphire articles by Stepanov technique
Особливості вирощування сапфірових виробів змінного перетину методом Степанова
Article
published earlier
spellingShingle Specific growing features of variable section sapphire articles by Stepanov technique
Konevskiy, P.V.
Andreev, E.P.
Lytvynov, L.A.
Technology
title Specific growing features of variable section sapphire articles by Stepanov technique
title_alt Особливості вирощування сапфірових виробів змінного перетину методом Степанова
title_full Specific growing features of variable section sapphire articles by Stepanov technique
title_fullStr Specific growing features of variable section sapphire articles by Stepanov technique
title_full_unstemmed Specific growing features of variable section sapphire articles by Stepanov technique
title_short Specific growing features of variable section sapphire articles by Stepanov technique
title_sort specific growing features of variable section sapphire articles by stepanov technique
topic Technology
topic_facet Technology
url https://nasplib.isofts.kiev.ua/handle/123456789/134539
work_keys_str_mv AT konevskiypv specificgrowingfeaturesofvariablesectionsapphirearticlesbystepanovtechnique
AT andreevep specificgrowingfeaturesofvariablesectionsapphirearticlesbystepanovtechnique
AT lytvynovla specificgrowingfeaturesofvariablesectionsapphirearticlesbystepanovtechnique
AT konevskiypv osoblivostíviroŝuvannâsapfírovihvirobívzmínnogoperetinumetodomstepanova
AT andreevep osoblivostíviroŝuvannâsapfírovihvirobívzmínnogoperetinumetodomstepanova
AT lytvynovla osoblivostíviroŝuvannâsapfírovihvirobívzmínnogoperetinumetodomstepanova