Search for tag: "electron diffraction pattern"

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 51 plays

2017 REU Monica Lopez Martinez CNF HHMI KEP PARADIM REU Nano-Convocation

d.n.a.laser diffractionu.v.positive resistchemical compositiontiny moleculesconcepts in physicssilicon dioxidepressure dropbiological functionadjustmentmirror stackelectric potentialcnfi.t.t.l.d.electricityd.v.r.optical devicesmoleculesmagneticsignal processingtaper channelsmooth surfaceoxidesopposite directionprotein spotinitial pressuredistributed bragsocial conceptsp.d.s.cognitionproteinsmicroscopydigital electronicselectric fieldpretty coolbacterial mechanicsfluid flowelectrons movingelectric currentbeam scatteringdesignsingle moleculetetherbacteriamachinescell biologyoptical microscopesubstract printinternational technology roadmap for semiconductors lithography nodesreuincreasepretty goodplasma cleanelectron beamnormal electronicmolecular machinesdouble helixcrystal qualityanthropologytuning forkstamping methodextrusion loadingpropertieselectrical currentgeometryelectric materialamountimmune cellsk.p.h.features300 nanometerpolymer brusheselectronic signalimage processing$0.00 nanometerselectrostaticsspotsfictionliterature valuesmegahertz wavemolecular biologyelectronic devicesurfaced.v.r. stacksdeep u.v.unique mechanical propertiesprotocolsphysical quantitiesmotor proteinsnanometer protein spotssemiconductor device fabricationelectronic circuitsnegative resistd.n.a. bindingmatterprintingultra smooth surfacespectroscopyelectrical engineeringmechanicsmechanical systemsilicon wafercurvesincubation timecrystalsmetaphysicscaption completedocumentssandwich structureatomic layer depositiondiffraction gratingpotentialinside talksmoleculeacoustic wavegold electrodesmediasiteelectromagnetismphotonicsside walldiffractionwallspattern protein$25.00 k.p.h.photo resistbehaviorismbiotechnologychemistrytantalum oxidepolymer chains
From  James Overhiser on February 18th, 2019 0 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

Ronchigrams

2017 PARADIM SUMMER SCHOOL Ronchigrams Peter Ercius

aperture sizedark field detectorconcepts in physicssmaller probespherical aberrationlargest probegraduate schoolguy namedhigher orderstrong magneticlong timeelectron microscopyorder termsphase changezone axispretty easyspecimen opticsoptical devices0.11 nanometersfraction patternlocal magnificationlarger apertureelectron microscopecorrected scopeaberration corrected microscopeprevious imagesphotographymagnetic fieldraunchy gramelectronphase shiftstem probeconvergence angleelectron diffraction patterndiffraction patternscience of photographydiffraction spaceelementary geometrypost specimenrate pathsmall screenengstromopticsobjective lenscirclesaberration shapemicrons leftlow frequencynice probecorrected stemsmall amountsemi anglepost specimen lensesinfinite magnificationfocus seriesmonolithic detectorseabed patternranch grahamflat regionatomic physicsaberration corrected scopeelectron lenspretty closea.t.f.focal seriesdiffraction buttonaberration correctoverlap regionbright field detectorlargest aperturehigh resolutionwine glasscarbonk.v.lot simplerimage correctaberration correctedlengthround lens300 k.v.quote unquotelarge focusradio symmetryfocused probeimage processingbbc radio 4 programmescontrast transferecclesiastical titlescentimetre–gram–second system of unitsf.b.i. techphysical opticsimage shiftflat phasemicron diameter aperture200 k.b.geometrical opticsamorphous materialalpha angleaberration correctorc.s.aberration correctionshadow imagesphere collaborationphysical chemistrydigital photographyhigher order aberrationsbeam electron diffractionf.b.i.100 percent2nd ordercsubcaption completestar aberrationcrystallographyanglehigh anglesc.c.d.virtual detectoroptical axisautomated alignmentparticle physicsaberration functionpixilated detectorcomputer visionlens currentatomic resolutioncentral spikeweird aberrationshigher order termsperfect lenst.m.3rd orderpriest specimen lensesk.b.double overlapsi derived unitscorrected microscopediffractionsingle positiontiny bitorder sphericalchemistryconvergent beam electronstem
From  James Overhiser on February 15th, 2019 17 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 13 plays

Diffraction (Part 2)

2017 PARADIM Diffraction part 2 David Muller

central beamnoise sourceaperture sizen.c.concepts in physicsideal d.q.2nd thingreadout noisehigh dynamic rangemental planethermal noiselong timechannel gain variationsquantum electrodynamicsdigital imagingcount rateoptical devicesfraction patternpico ampslong rangebiological imagingrange electric fieldshuge amountsignal processinggeologyd.p.photographythin pixelmagnetic fieldhole pezc.c.d. cameraelectronicspoisson distributiondiffraction patternelectron hopepoint spread function200 kilovolts$16.00 pico ampsneighboring pixelsquare rootmass signalstandard deviationdetective quantum efficiencyspatial frequencyopticsreal spaceresearch methodsenergy distributionmagnetic ripplesd.q.single electron sensitivityparticle physicsnarrow pixelspace measurementslowly varyingabled sphereatomic physicsimaging modeelectric fieldenergy depositedminus sigmapretty goodemerging technologieselectron beamnoisedynamic rangepoint $16.00 picomagnetismdock noisesoft moonk.v.pulse counting detectorlastic imaging modese.q.low energypretty darn goodelectrons arrivemicron pixelfire electronrandom noisemicroscopesperfectly lineardiscrete distributionselectron producesmass imagepercent variationtechnical detailselectron hole payq.e.statisticselectrostaticselectronics terminologyquantum mechanicsfield imagesingle actorideal detectormultiple pixelsgrain contrastsystems theoryelectron hole1st timehigh count ratescharge carriershuge numberdiffraction spotphysical quantitiesdigital photographyfull diffraction patternnoise timepulse countingbeam energyhigh voltagesoutput noisemilli 2nddynamical systemsoutput signallow count ratedimensional datadigital signal processingmomentum transfercaption complete$150.00 microninformationpixel array detectorc.c.d.1000 electronslaboratory equipmentcyberneticsatomic resolutionscientific methodfinite sizefundamental limitnoise ratiofraction spotquantum chemistryt.m.dataevaluation methodselectromagnetismmomentum operatorincident electrondiffractionprobability current flowrough rulebeam currentwave functiondiffraction work
From  James Overhiser on February 15th, 2019 9 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 19 plays

2016 REU Mark Marsalis CNF & PARADIM REU Convocation

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementssuperhard materials2nd designgeographyelectron microscopygeneration devicesexposure timeelectricitymetallurgyfraction patternpyrotechnic fuelsjudicial remediesmaterials sciencejunctionsuper lotgrain structuresdimensional materialmaterialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemlarge scaleelectronic devicescharge carriersmicroscopy groupmicroscopyatomic lotbankingscale imagecognitionfourfold symmetrytitanium platinumresearch methods1st presenter210 kelvinhexagonal latticedesignmeasurementcrystallographyray diffractionparticle physics$210.00 kelvinchemical propertiesreucnfbiology and pharmacology of chemical elementsvast majorityscanning transmission electroncharge carrieremerging technologiesmodel layermagnetismratiosgrain boundarieslattice orientationcollaboratorsgraphic orientationlined dotselectrical transportmisaligned dotsalpha psimineralogycolorsemiconductorsmagnetic propertymicroscopesfuture workthin filmselenium atomsresolution imagetransition metalshall factartsstatisticscolor composite imagegrowth processwhite circlephotographic processesquantum mechanicscharge careinorganic silicon compoundsmohan professor davidtransition metalcomic resolution imageelectromagnetismquantum dotaccountancyprofessor david$45.00 degreesprevious filmgrain orientationtransmission electron microscopyquantum phasesphysical quantitiessilicon nitridecondensed matter physicscircle representsconfounding variablesdislocationmagnetostaticshighly misalignedcall factcrystal structureatomic latticefalse color compositesilicon wafernano wiremetalsdislocation behaviornitridescaption completeelectronic propertiesquantum electronicsrural community developmentdarkfield transmission electronchristian saints from the old testamentdimensional systemhexagon systemchrome goldflower designatomic resolutionscientific methodsuper latticesingle materialmediasitelocal superlattice mismatchgreen boundariesdataaspect ratiobusiness lawarchitectural designaestheticslight$210.00 calvinvoltage dropphoto resist
From  James Overhiser on February 13th, 2019 6 plays

2016 REU Maya Martirossyan PARADIM REU Convocation

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementsflower patternsuperhard materialsthickness2nd designelectron microscopydifferencegeneration devicesexposure timeelectricitymineralogytransparentmetallurgyfunctional groupspyrotechnic fuelsmaterials sciencesuper lotgrain structuresdimensional materialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemlarge scalehexagon systempost-recessioncharge carriersmicroscopy groupmicroscopyatomic lotbankingscale imagecognitionfourfold symmetryopticsl.f. percentagetitanium platinum1st presenterphilosophical terminology210 kelvinselenium atomsdesignmeasurementcrystallographyray diffractionparticle physicscuring agents$210.00 kelvinchemical propertiesreucnfvast majoritysemiconductorscanning transmission electroncharge carrieremerging technologiesmodel layerstatistical terminologydepositionratiosgrain boundarieslattice orientationcolor composite imagegeometrygraphic orientationlined dotselectrical transportmisaligned dotsalpha psicharacterizationsemiconductorsmagnetic propertymicroscopesfuture workthin filmhexagonal latticeresolution imagetransition metalsquantum mechanicstoolshall factartsrural community developmentnatural philosophygrowth processwhite circlequestionphotographic processesfictioncharge careinorganic silicon compoundstransition metalpercentageelectromagnetismquantum dotaccountancyprofessor david$45.00 degreesmagnetismprevious filmp.c.t. toolsilicon nitritegrain orientationtransmission electron microscopyphysical quantitiessilicon nitridecondensed matter physicscircle representssemiconductor device fabricationrectangularconfounding variablesp.c.t.magnetostaticshighly misalignedlayercall factcrystal structureatomic latticefalse color compositesilicon wafernano wiremetalscharacterizedislocation behaviornitridesmetaphysicscaption completel.f.electronic propertiesquantum electronicsdarkfield transmission electrondimensional systemchrome goldflower designsemiconductor materialsatomic resolutionsuper latticesingle materiallocal superlattice mismatchgreen boundariesmediasitefabricationbusiness lawarchitectural designaestheticsmanufacturingaspect ratio$210.00 calvinvoltage dropphoto resist
From  James Overhiser on February 12th, 2019 12 plays