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Liquid - solid interface on the preparation of nanocrystalline c-BN

ASTM25-1033) [8] YangGW, WangJB, LiuQX. [J]. JPhysCondensedMater, TablelTheexpermientalXRDresultsofc-BNpowders1998,[link widoczny dla zalogowanych], 10:7923. Powderslc_BN (25-1033) [93YangGW, WangJB. [J]. ApplPhysAMaterialsScience, 2000, Stone T] - Shi Guang _1_] ___ 『_T71z343 ・ 0.2094I100J111l0.20880I100I111 [1o] Wang Jinbin, Liuqiu Xiang, Yang Guowei. [J]. Chem, 1998,[link widoczny dla zalogowanych],19. 1719.0.1278 I6I22010 ・ 12785l6I220 [11] SakkaT,[link widoczny dla zalogowanych], 1wan8 【gaS, OgataYH. [J]. JChemPhys, 2000,1120 '08. Il. ¨ l0'90l. I. ¨ (19) i8645.00829103310082908331. . . . . . . Il1. II ... ... .... Pulsed laser light induced i - guide fluid I. Solid - community - face I. . . . . System. . Preparation of 1 - for I had --- in general [12] saaT, TaaniK'0gaaYH'ea [] ・ PyDApu through the physical process - melting and re-solidification (including rapid structural phase [13]:, YgGw. [ ,J]. Pro. sPIE, 1998,355.: 67. variable) and the chemical reaction - particles and particles produced by vaporization of the liquid chemical to 14] Wen. tzcovitchRM, ChagKJ, c0heML. [J]. PhyReB, completed. We believe that general response and growth process as follows: (1) pulsed laser and 1986.34; 1071. The interaction of liquid-solid interface, resulting in fluid. Ablation area to produce a solid interface; (2) Its] ChrenkoRM. [J]. Solid-S 【ateComm, 1974,14:511. Preparationofcubic-BNnanocrystalyliquid-solidinterracialreactionZHONGXiang-li, WANGJin-bin, ZHANGCan-yun, RENZhi-ang, YANGGuo-wei (FacultyofMaterialsandPhoelectronicPhysics, XiangtanUniversity,[link widoczny dla zalogowanych], Xiangtan41l105,[link widoczny dla zalogowanych], China) Abstract: Cubicboronnitride (c-BN) nanocrystalshavebeensynthesizedbyhigh-energypulsedlaserinducedliquid-solidinterracialre. action. Theliquidandsolidmaterialswereanalyticallypureacetoneandh-BNwaferswith96purity. respectively. Itwasshownthatthediametersofthepreparedquasi-sphericalc-BNnanocrystalsvaryfrom30nmto80nmviaTransmissionelectronmicroscopy (TEM). TheX-raydiffraction (XRD) andFouriertransforminfrared (FTIR) spectroscopywereusedtocharacterizethestructureofc-BN. Keywords: interfacialreaction; c-BN; nano-crystals

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