Search for tag: "semiconductor materials"

Nuts and Bolts of Oxide MBE #1 (Schlom)

2019 Cornell Summer School LINK to presentation slides

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 70 plays

Nuts and Bolts of Oxide MBE #2—Composition Control and Calibration (Schlom)

2019 Cornell Summer School LINK to presentation slides

high temperatureconcepts in physicschemical elementssingle phase galliummodel aircompound semiconductorsozone pressurelattice constantsmall substratemetallurgythermodynamicsreducing agentsm.b.e.pyrotechnic fuelsmaterials scienceoxidescoolantstitanium ratiolead oxidepoint defecttitanium oxideyear opiumoxygencrazy materialphases of matterand air conditioningopium oxidephase diagramsingle phase regionindustrial processestransmission patterntitanium ridgecrystallographycomposition controllead tighteningcubic zirconiabiggest challengeinternettemperature uniformity1st oxide1st tastetransition metalsvapor pressurearsenic pressureneutral formula unitheatingopium metalgrowth windowsemiconductorsnucleate solidanionsgallium arsenidecharge neutral formulasemiconductor growthgasesrough mapsingle phasediagramsphase transitionsr.b.s.volatile speciesread oscillationsgallium separatechemical engineeringeuphoriantsvolatile constituentdiffraction spotphysical quantitieshalf ordermedicinal plantsface peerfree energylower temperatureopium shuttermetal organictypical arsenic sourceabsolute fluxperfectly stoichiometricmetalscrystalsbig substrateabsorption control workssmallest chargetimes pointpost-transition metalsmaking single phasesingle crystalstrontium typeoxidizing agentsphase regioncalibration methodventilatingbismuth tightknitcaption completeoscillations stay nicegrowth ratetitanium speciesbeat frequencydot dot dotphase gallium arsenidecontrol regimeoxygen pressureblah blahalkaline earth metalsm.b.hand stepvolatile oxidevolatile metal organicbismuth oxideenvironmental chemistryabsorption controlrelative ratio
From  James Overhiser on August 7th, 2019 43 plays

Molecular Beam Epitaxy of High Mobility ZnO-based Heterostructures (Falson)

2019 Cornell Summer School

generally speakinggrowth parametersconcepts in physicschemical elementsmagnesium zinc oxidepercent magnesiumgeometric shapesheat transferneedle temperaturecoke sidedensityinorganic compoundsthermodynamicshall effectreducing agentsscattering timepyrotechnic fuelsmaterials scienceoxide substrateform defectsmagnetic fieldoxidespolarization fieldmax planckfairly highquantum transportpretty simpleball crystalrotated sampleband gapultraviolet radiationreal spacedepletion regionmeasurementelectric and magnetic fields in matterbeautiful bigcrystallographyray diffractiongallium arsenidemicro meterextra wigglesshift gearschemical propertieselectric fieldspintronicsnice flatenvironmental sciencedoping magnesiumelectron gashigh densitymagnesium contentcool interactionproblems whatsoeverresidual chargelocal tetrahedronfractional quantumphase transitionnice linearlight sourcesmagnetismdegrees celsiussilicon oxidephoto luminescencemineralogysemiconductorselectron mobilitycharge densityquantum mechanicssilicon particlesdimensional extra systemtemperaturehigh mobilityelectrostaticsantacidsdimensional electron systemeffective masssuperhard materialsimpurity contentcommon oxide glass componentsrefractory materialsquantum phasesphysical quantitiescondensed matter physicsheader interfaceheader structuredietary mineralscooking techniquessubstrate holdersilicon carbidestate functionscrystal structureelectronics terminologyiii-v compoundsmetalslarge peakcrystalsmathematical terminologycarbidescaption completesingle crystalplasma cellenvironmental chemistrysemiconductor materialsfull rangerock saltarsenidesgrowth rated.c.theatrephoton energysingle siteroughly proportionalflat surfacemoderate temperaturesalkaline earth metalselectromagnetismm.b.zinc oxidelow temperaturediffractionnitridesgallium nitrideleft hand sidezinc oxide layermaterialsfairly simple
From  James Overhiser on August 7th, 2019 66 plays

Greatest Hits of MBE (Schlom)

2019 Cornell Summer School LINK to presentation slides

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 79 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 18 plays

Diffraction (Part 1)

2017 PARADIM Diffraction part 1 David Muller

d.n.a.solid poleconcepts in physicsoutgoing spherical wavepositive nucleiray diffraction experimentatomic physicsdiffracted beamnicely linedhigher ordersilicon atomelectron microscopyfocal pointimage intensityzone axissymmetry zone axesoptical devicesfiafraction patternteachingshape factorelectron microscopeaudio engineeringhigh anglenuclear physicsfit scatteringbeautiful thinggood approximationthin sampleimaging methodchip chip chipreciprocal latticephase shiftelastic scatteringdigital audioenglish indie rock groupsdiffraction patterndiffraction spacegeometric opticschemical elementsbig anglesspatial resolutionsmall angle scatteringelementary special functionsbadly tiltedspatial frequencyadam layerreal spacelattice spacingdelta functionsmall anglemeasurementcrystallographyparticle physicsmusical quintetstime frequenciesquantum chemistryscattering happened1st columnscatteringoral communicationplane waveatom columnbiology and pharmacology of chemical elementstitanium columnmulti slicetransmission functionelectron beamfinite objectsurface normalbig spacingperiodic crystalsoft moonforward directionsynchrotron-related techniqueswave numberconstant phaseinfinite serieschange shapetravel parallelinfinitely large crystalscientific techniquesmain thingsolmicroscopesmathematical physicscontrast imagingoptic axisshape facttransition metalsinitial waveforward scatteringstem imagereciprocal spacespherical waveelectronics terminologyquantum mechanicsfield imageneighboring column1st approximationreducing agentsfourier analysisanalytic geometryfurcal wavefocal planetime varyingbright fieldangle scatteringorder spotmulti slice simulationimage planedidacticsscattering eventphysical aperturediffraction spotmomentum spacephysical quantitiesphoria transformtimes worse2nd ringsingle atomobjective aperturedietary mineralsabsorption and radiative transfer (optics)trigonometrystrong phase approximationunit cellfield imagingcarbon nitrogenstem modemetalsdiffraction peakinverse angstromsenglish alternative rock groupsdog fieldgeometrical opticsparallel beam1st ordermomentum transferatomic resolution imageyear transformcrystallography definitionperiodic tablefiber optic waveguidepyrotechnic fuelscentral spotsemiconductor materialsmathematical notationcaption completefinite sizelattice imaged.c.large anglefall fieldsine wavefraction spotfunctional analysisrandom orientationt.m.bad newsinitial wave functioneducational psychologyacousticsinformation theorydiffractionatomic numberlong rodwave function
From  James Overhiser on February 15th, 2019 30 plays

Schrodinger equation and mean-field approximation - Lecture 1.2

2016 PARADIM SUMMER SCHOOL Feliciano Giustino - Lecture 1.2

concepts in physicschemical elementssimple equationsolutionscharacteristic energybody wave functionelectronic structurecorrelation potentialelectron densityarchitectural elementssquare divided1st principleselectronegyptian artefact typesgrammarparticle equationelectron chargeforcekinetic energy potentialenergyphilosophical terminologyprinciplesnuclear masshydrogen physics1st electronparticle physicsquantum chemistrychemical propertiesbody problemstarting pointcool interactionbiology and pharmacology of chemical elementsspintronicsf.t.environmental sciencepeople talkatomsindependent particlefunctions and mappingspotential exactedchemical processesexclusion principlehelium atomconservation lawsmechanicsextra potentialelectronic structure methodselectron basicallycommunicationforms of energyreference frametomorrow morningexperimental parameterelectrostaticscomplex numberquantum mechanicshydrogen wave functionscompletely ignoresingle particleminus $13.00quantum modelsairship technology100 yearspotential energy comingphysical quantitiesbasically minuscondensed matter physicspotential energyhydrogen atomindependent eventsnuclear potentialpretty tablecolumn interactionstate functions40000 pointstakes caremathematical terminologysquare modelheliumphysical principlecaption completesingle particle equationhydrogensemiconductor materialskinetic energyexchange potentialtotal energyindependent electrongood newspartial differential equationselectron mass1st stephuman communicationelectromagnetismelectronic variablesatomic numbermasswave function
From  James Overhiser on February 15th, 2019 52 plays