Search for tag: "free electron"

Nuts and Bolts of Oxide MBE #1 (Schlom)

2019 Cornell Summer School

former components of the dow jones industrial averagenonmetalsminimum temperaturehigh temperaturelow vapor pressurea.t.m.chemical elementsnitrogencommon oxide glass componentsfood coloringsfully electronicvideo camerarunaway reactionmagnesium oxideliquid leadstainless steelinorganic compoundsmetallurgythermodynamicsreducing agentsm.b.e.phases existpyrotechnic fuelsarsenide surfacematerials sciencesubstrate temperaturesolid solution1st principlesface diagramoxidescoolantsiron oxide1st thingsurface chemistrygelsoxygenelementary geometryphases of mattertitanium spheresuper latticediffusion linkopium oxidefully automatedphase diagrambulk diffusionthermodynamic datachemical mixturesstatistical mechanicsenergygas cabinetoptical materialsliquid nitrogeniii-v compoundstransition metalssurfaceshollow sphereoxygen moleculargroup ratecell biologyozone compatiblecameraschemical propertiespipingunion carbidebiology and pharmacology of chemical elementskinetic theoryhigher temperaturebarium oxideelectron beamreference bookelementary shapesgrowth modepressurevapor pressurelow surface energycoop ratesthermal massbuilding materialsgallium arsenide exposednatural resources100 degrees2000 degreesfree pathwater cooledhigh vapor pressureellingham diagramsingle crystalsmaking coopermineralogysurface diffusionr.c.a. laboratoriesecologygallium arsenideprops guyenvironmenthigh surface energyoxidize thinggasesantacidscrucible problemm.b.e. growntopologydiagramsphase transitionsm.b.read oscillationsr.c.a.diffusion lengthface separatingchemical engineeringsafety committeerefractory materialssteelphysical quantitieshigher surface energydepends exponentiallyequilibrium chemistryfree energysilica gelnice smoothcooking techniquesanalytic geometrytungsten filamentlower temperaturecrazy oxideaction contentanalytical chemistrymetalssmooth filmcaption completeozone generatorgood thinggood cruciblealuminum arsenideperiodic tablemeteorologyoxidizing agentslaboratory equipmentsemiconductor materialsarsenidesgrowth ratediffusion coefficienthigher surfaceenergetic specieshydraulicsaction pressureoxygen pressureiarc group 1 carcinogensalkaline earth metalssurface energydiffusionfusion cellzinc oxidelow temperaturegood choice1000 timesreciprocal temperaturemolecular beamsplumbingsafety issuesnice purevalves
From  James Overhiser on August 7th, 2019 38 plays

From Einstein's Photoelectric Effect to Band Mapping. (Shen)

2019 Summer School

optical spectroscopyenergy electronic structureconcepts in physicsfermi energykilo voltmodern physics classsimple systemtranslational symmetryelectrons insideelectronic structureangle result photocontinuum mechanicsmeasure thingsperpendicular componenthigh energym.b.e.high energy resolutionteachingphoto electronnuclear physicsgood sampleelectrons comingelectron comingmagnetic fieldphoto motionelectronphoto mission experimentradiobiologymain factorselectronics companies of the united kingdomcolor codedcharge carriersprobing depthelementary geometryphoto missionmaterial propertiesbinding energyresult photo missionenergy electronsenergysingle spectrummeasurementsurface sensitivecrystallographyray diffractionsocial sciencesfree carriersleadtennis ballhigh intensitybasically mapbasic principleplane wavethreshold energyreciprocal lotelectronicspretty popularenergy resolutionmaterial systemsmission experimentmomentum conservationfree electron gasanthropologyphysical propertiesmagnetismformally correctoptical transitionband structureplain wavedeep insidehuge numbercore levelsgeometryphoton energydefined energylow energychannel platekey thingtotal momentumconservation lawsquantum mechanicaldipole matrix elementuniversal curvesymmetrysimple relationshipstep modelpolar anglephoto currentmain thingdecision theoryenergy bandphoto mission processtransition matrix elementenergy conservationband massesfree electronlarge energyaccelerator physics100 electron voltspotential barriersudden approximationphoto mission measurementwork functionradiation shieldphoto electrons comingclassical mechanicsmomentum spacephysical quantitiesballscondensed matter physicsphoto machinedischarge lampsingle atomlow energy electroniccouple slidesvalence bandspectroscopyhigher harmonic generationplane momentumphoto lecturemechanicsactual processfamous yearnanometer probingmission processelectron voltsquantum mechanics classcaption completefree spacefeatureless backgroundsample manipulatorcrystal wrightfermi–dirac statisticsthermodynamicshigher energykinetic energyhighest energyvacuum chamberelectronic band structureselectron analyzerplay momentumvelocityquantum chemistrycorrect answerquantum materialselectron momentumelectromagnetismfermi levelurban studies and planningelectron leavingeducational psychologyenergy rangesi derived unitslow temperaturemassquantum mechanicsnobel prizematerial science
From  James Overhiser on August 7th, 2019 13 plays

From Particles to Quasiparticles - Understanding and Measuring Interactions by ARPES. (Shen)

2019 Cornell Summer School

optical spectroscopyinteracting band structuresingle electronscatteringenergy momentumconversion factoroverlap integralsystems theorysystemsm.b.e.special functionsfield theoryphoto electronnuclear physicsenergy distribution curvephoto motionelectronphoto mission experimentcomplex functionelectronicsiraq functionspectral functionenergy scalesphoto missionelementary special functionsbinding energyfairly weakspecific measurementsphilosophical terminologydelta functionelectric and magnetic fields in matterincoherent backgroundparticle physicssingle particle spectralslowly varyingdistribution curveextreme versionlarge datacritical aspectmatrix elementenergy resolutionvarying functionfree electron gasmagnetismlocal objectphoto mission processlegal documentsfree electrontotal energy resolutioncommon lawpopular answerinteracting systemlow energykey thingcutoff frequencycollective modespecific heatvibrational modesystems sciencecolorcommunicationbioinformaticsmeasure interactionseducational assessment and evaluationcyberneticstranscription factorsquantum mechanicsmain thingelectron phoneband structuretypes of functionsgamma factorimaginary partselectronics terminologylong storybasically analyzeenergy dependent broadeninglab sessionblah blah blahband dispersiondidacticselectron photonelectron electron interactiondirect gapmomentum spacephysical quantitiescondensed matter physicsdensity functional theoryelectron bowsphoto mission intensityspectroscopyenergy windowstep functionclear signatureplasma physicsenergy (physics)ultra high vacuummission processspin wavestrong couplingcaption completedirectly calculateplasma frequencyd.s.t.d.f.t.high energyfermi–dirac statisticselectron voltsresolution functionsharp kinkelectronic band structuresgeneralized functionsliquid theorytotal wasteliquid interactionsmission experimentfermi leveleducational psychologylegal terms1000000 electron voltswritingbroad peakevaluation methodselectron vibrational interactionswave function
From  James Overhiser on August 7th, 2019 4 plays

Greatest Hits of MBE (Schlom)

2019 Cornell Summer School

summerindium arsenidekey aspectlead oxideconcepts in physicstemperature techniqueceiling technologycold wallatomic stepsspray canscompound semiconductorsheat transferhot walldensityquantum hallinorganic compoundsseparate sourcesengine technologym.b.e.teachingarchitectural elementsgrowth conditionsarsenic sourceoxidesunit cellsvacuumcritical current densitydiffraction patternlaboratory equipmentsuper latticeindependent controlopticsoscillationhuge differencestep edgebell labsjoseph allisonschool typesfilm reportediii-v compoundsresistivity ratiohardware (mechanical)oxidizing agentsgrowth modeoral communicationjohn arthuralcatel bell laboratoriesspray paintingelectron beamgreat thingdedicated shuttersarsenic richvapor pressurearsenic pressurepressurebroken equipmentlosing arsenicgas phasefaculty memberhigher pressuresunderlying substrategrowth windowmolecular beamgallium arsenidetemperaturehigh mobilitythermodynamicsgasesquantum mechanicssingle phasehigh performancesingle modelelectromagnetismvolatile speciesread oscillationschemical engineeringgreat questionepa taximap attackphysical quantitiescondensed matter physicsmodulation dopingmeteorologysummer schoolelectrical engineeringstate functionsmagnitude higherultra high vacuum$76.00 inchhighest mobilityseparate temperaturecaption completegreat capabilityquantum electronicscopper gasketlong wordsemiconductor materialsbanking termsarsenidesgrowth ratevacuum chambersuperconductivitypayment systemsknife edgeiarc group 1 carcinogensfree pathfusion lengthm.b.educational psychologyzinc oxidelow temperaturenational medale-commerceroom temperatureindia martian nightnobel prizefractional quantum hall
From  James Overhiser on July 30th, 2019 49 plays

Valence EELS, High Energy Resolution

2017 PARADIM SUMMER SCHOOL Low loss EELS David Muller

optical spectroscopyformal sciencesconcepts in physicssilicon richsilicon dioxidechemical elementsband gapscatteringelectron densitylowest energy featurereducing agentsvalence electronsquick rulepyrotechnic fuelselectron microscopewaveguide modenuclear physicspercent radiuselectronreal troubledielectric boundary conditionsnice bigfactorial and binomial topicstightly boundelectric fieldspatial resolutionsingle scatteringopticssample thicknessinterface plasmanano particlesoptical gapdirect bandgapphosphatesparticle physicsfluid dynamicshigh energy electronatomic physicsdielectric responsesbiology and pharmacology of chemical elementsliquid cellmultiple scatteringelectron beamenergy resolutiontiny signalsingle particle transitioncherenkov radiationelectron gasfree electron gasoptical transitionenergy lossenergy lostcharacteristic anglefree electronicenergy filterlow energycharge oscillationsvalence regionsurface plasmatoxicologyfree pathsilicon oxideoptical spectrabulk materialexit haitiancall auspexfourier analysisquantum mechanicsbig backgroundimage chargeelectrostaticslastic scatteringnice thinginteresting standing wavebessel functionboundary conditionsion imagesingle particlestanding wave modesfunny featureelectron statesscattering eventdirect gapgood free electronphysical quantitiesenergy loss functionvector calculusdietary mineralsabsorption and radiative transfer (optics)electrical engineeringthick samplefield lineslength scaleelectronics terminologyelectrodynamicsphoria transformradiation sensitivecaption completehofplasma frequencylog scaleexperimental particle physicshof epsilonsemiconductor materialshigher energyhigh frequencyatomic resolutioninterface modegood newsharmonic oscillatorspecial relativitydielectric functiondiverges logarithmicallyshine lightcouple 100 voltt.m.incredibly complicatedbad newselectromagnetismenergy rangecherenkov modes100 voltspherical modeslinear operators in calculuschemistrybulk plasma
From  James Overhiser on February 15th, 2019 13 plays

Electron Tomography - Theory

2017 PARADIM SUMMER SCHOOL Tomography Theory Ercius

cartesian spacedimensional spacedimensional thingscale tomographydimensional reconstructionprojection requirementsolutionsextremely high resolutionoriginal imagephysical sciencemaximum tiltingtilt serieslong timeelectron microscopyelectron tomographycompressed sensinginverse nanometersscientific techniquesdimensional structurematerials scienceequal anglesignal processingconcepts in physicsphotographylow dose1st thingpoint defecthigher frequencysingle projectiondiffraction patternpretty goodmicroscopyneedle samplebig differencefree transformoriginal objectspatial frequencyvisioncarbon atomreal spaceadam countingreciprocal spaceemerging technologiescatf.f.t.dimensional imageperfect projectionsoriginal projectionatomic physicsprojected densityexperimental projectionsnano particlesstemmedical imaginghigh resolutioncarbongood reconstructionoriginal projection directionunique objectaberration correctedatomic scalebeam electronsexperimental datatilt axisoriginal intensitynanometer depthpseudo polarmicroscopesreconstruction techniqueprojection operationlow frequencyradio spectrumequally slope tomographyquantum mechanicskinematicsconcentric squarescat scanhigher dimensionalquantum dotanalytic geometryiterative loopentire imageequal distanceiterative algorithmclassical mechanicsdigital photographycalled equally slopelinear algebragrand challengesingle particlesimpler interpellationdimensional objectgeometry limitationhigh tiltsnano scalephoria transformenglish alternative rock groupsresolution tomographyreconstruction packagesbuilding blockcaption completedigital geometrycomputer graphicsfree spacereconstruction algorithmimprove reconstructionshigh frequencyatomic resolutionprojection imageshell particlecohen resolutiondimensional picturesine wavecrystallographic defectst.m.advanced algorithmsiterative processmissing wedgeinformation theorycontinuous functionmaterial sciencetomography experimentbroadcastingmasssample thingselementary mathematicschemistryelectron microscopenanomaterials
From  James Overhiser on February 15th, 2019 7 plays

Linear Imaging Theory

2017 PARADIM Linear Imaging Theory Robert Hovden

d.n.a.dark fieldaperture sizeobject functiontotal intensitycollaboration increasesconcepts in physicsconvergence angleareaspherical aberrationwide rangecovering todaygeometric shapesd.n.a. structurecentral minimumelectron microscopyfocal pointintensity increaseslinear imaging modelwave vectorscontrol theoryoptical devicescollection anglelarger apertureelectron microscopehigh anglearchitectural elementssignal processingphotographyhigh pass filtertransfer functionuncorrected systemphase shiftdarkfield regimefunctional formscattered electronshigher frequencybright field stemegyptian artefact typesdiffraction patternscience of photographypoint spread functionhigh intensity probeelementary geometryintegralsspatial frequencyopticsobjective lensbright field regimebright spotsreal spacelow frequencyreciprocal spaceblurring contributionsphere collaborationuncorrected instrumentcharacteristic dimensionincoherent imaging conditionsurfacesaperture functionwave frontatomic physicsimaging modecontract transfer functionwhite noisescanning transmission electroncohere imagingprevious lecturedistant planeelementary shapesstemhigher angleshigh resolutionincoherent linear imagemil ratingdetector geometriesfield conegeometrytypes of functionsaberration correctedconstant phaselengthlower frequencieschromatic aberrationconic sectionsamplitude squaredaberration freescientific techniquesmicroscopesmeasuring instrumentsintensity squaredoptic axisintensity decreasescontrast transferdiffraction limitstem imageindividual atomradio spectrumincoherent imagingquantum mechanicsaberration free probemultivariable calculuspeople metersfocal planebright fieldlow angleamateur radiosystems theoryimage planecoherent imaging conditioncollecting electronsblurring functiontransmission electron microscopyphysical quantitiesdigital photographyangular spreaddouble integralcoherent imaginglargest rangeface shifthigher order aberrationsraleigh criterionpiofairly interpretabletransmission electron microscopesquare pulsegeometrical opticsdigital signal processing1st ordercaption completeprobe tailsnyquist limitblue curvesubroutinesbroadcastingfilter frequency responsemaximum frequencyhigh frequencycaustic curvehand sidelow pass filterspatial coordinatesatoms closercoherent imagesparrow criterionstructural systempico meterdark backgroundfrequency spaceoptimal aperturet.m.complex conjugatecontrast transfer functionwave functionmeasure ultimatelyimaging conditionannular darkfieldincoherent imaging modeatomic numberfield stematomic columninelastic interactionsnobel prizeangle mediumchemistryfocal imagingprobe size
From  James Overhiser on February 15th, 2019 12 plays