The physics and chemistry of dusty plasmas.pdf

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1、HomeSearchCollectionsJournalsAboutContactusMyIOPscienceThephysicsandchemistryofdustyplasmasThisarticlehasbeendownloadedfromIOPscience.Pleasescrolldowntoseethefulltextarticle.2000PlasmaPhys.Control.Fusion42R93(http://iopscience.iop.org/0741-3335/42/10/201)Viewthetableofcontentsforthisissue,

2、orgotothejournalhomepageformoreDownloaddetails:IPAddress:169.229.119.165Thearticlewasdownloadedon01/09/2011at22:16Pleasenotethattermsandconditionsapply.PlasmaPhys.Control.Fusion42(2000)R93R104.PrintedintheUKPII:S0741-3335(00)05837-1REVIEWARTICLEThephysicsandchemistryofdustyplasmasChHollens

3、teinCentredeRecherchesenPhysiquedesPlasmas,EcolePolytechniqueFed´erale,´CH-1015Lausanne,SwitzerlandReceived19May2000Abstract.Anoverviewofthemostrecentexperimentalandmodellingeffortsonpowderformationinreactiveplasmasisgiven.Thephysicsandchemistryofthesedustyplasmasandtheirfundamentalmechani

4、smsleadingtotheproductionofnanometre-sizedparticlesandtheirsuccessiveagglomerationleadingtomicrometre-sizedparticlesarereviewed.Thecentralroleofparticlechargingandofchargefluctuationsregardingtheparticleagglomerationisemphasised.Finally,theinfluenceofthedustparticlesontheplasmaparametersisde

5、scribedandanoutlookonthemosteminentproblemstowardstheunderstandingofthereactive,dustyplasmasisgiven.1.IntroductionThephysicsandchemistryofdustyplasmasisanupcomingtopicwhichhasgainedmoreandmoreinterestoverthelastfewyears.Theinterestedcommunitiesarenotonlyinvolvedwithplasmaapplications,butal

6、sowithbasicplasmaphysicsandastrophysics.Therecentinvestigationsintodustyplasmasweretriggeredbyobservationsofparticleformationinetchingplasmas[1].Theseobservationswerefollowedbythe(re)discovery[2]ofpowderformationinreactiveplasmasastheyweretypicallyappliedforthin-filmdeposition.Lateron,thefo

7、rmationofCoulombcrystals,asearlierpredictedbyIkezi[3],wasdiscovered.Theinteractionbetweendustandaplasmaleadstoavarietyofphysicalanddynamicalconsequences.Thepresenceofsmallparticlesinaplasma,besidestheusualnegativeandpositiveionsandthemobileelectrons,leadsnoton