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 Wysłany: Czw 8:40, 02 Gru 2010 Temat postu: Rosetta Stone wholesale 2D-3D quantum dot growth p |
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2D-3D quantum dots complete Monte Carlo simulation of growth process
ironmentalScienceandEngineering, HeilongjiangUniversity,Rosetta Stone wholesale, Harbin150080,MBT shoes sale, China) Abstract. Thestrengtheningpoisoningofcatalysiswasusedtoinvestigatetheprocessofdeactivationofphoto-catalyst. ThechangesofthestructureandchemicalstatesofthecatalysishavebeencharacterizedusingTEM, XPS, SPSandIR. TheresultsindicatethatthephotocatalyticactivereducedaswellastheincreaseofSPSdur-ingthereaction. Thecatalystwasdeactivatedafter2Otimes. Thedeactivationcatalysisshowsaggregationandcarbonaccumulation, atthesametimehydroxideoxygenandthecarboninthe-CH2 A and-CH2OHfunction-algroupsincreasegreatly. Themainpoisoningcompoundsarebenzoicacid, hydroxidebenzoicacid, maleicacidandfumaric. Keywords: titaniumdioxide; photocatalyticoxidation; catalystdeactivation; benzoicacid (pick No. 1580 on) Montecarlosimulationofquantumdots2D ・ ・ 3DgrowthbyMBEZHANJing, CHENXi, FUFei-ya, YANGKang, HUYi-xiang,true religion cheap, CHUHai-bo,sheepskin ugg boots, LIUNiu,mbt sandals shoes, JIANGJian-jun (DepartmentofElectronicScienceandTechnology, HuazhongUniversityofScienceandTechnology, Wuhan430074, China ) Abstract. ThepaperindicatesasimulationoftheMBEgrowthofself-assembledInAsquantumdotsonidealGaAssubstrateusinganMonteCarlomethod, whichpresentsthewholeprocessofQDgrowthfrom2Dto3D. Stressisfullyconsideredbyusingexponentialfunctionmodel, whichmakestheresultsmorereliable. Aseriesofquantumdotsgrowlhpicturesobtainedbyalteringthetemperatureandtheintervaltimebetweengrowtharediscussed. Itisfoundthatmoderatetemperatureandadequatemigratingtimeconducetogrowingquantumdotsofhighquality. Keywords: MBE; self-assembledquantumdot; ManteCarlomethod
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