Search for tag: "beam electron diffraction"

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

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

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