Search for tag: "diffraction space"

01:11:49 From Einstein's Photoelectric Effect to Band… From Einstein's Photoelectric Effect to Band Mapping. (Shen)	From Einstein's Photoelectric Effect to Band Mapping. (Shen) 2019 Summer School optical spectroscopy energy electronic structure concepts in physics fermi energy kilo volt modern physics class simple system translational symmetry electrons inside electronic structure angle result photo continuum mechanics measure things perpendicular component high energy m.b.e.high energy resolution teaching photo electron nuclear physics good sample electrons coming electron coming magnetic field photo motion electron photo mission experiment radiobiology main factors electronics companies of the united kingdom color coded charge carriers probing depth elementary geometry photo mission material properties binding energy result photo mission energy electrons energy single spectrum measurement surface sensitive crystallography ray diffraction social sciences free carriers lead tennis ball high intensity basically map basic principle plane wave threshold energy reciprocal lot electronics pretty popular energy resolution material systems mission experiment momentum conservation free electron gas anthropology physical properties magnetism formally correct optical transition band structure plain wave deep inside huge number core levels geometry photon energy defined energy low energy channel plate key thing total momentum conservation laws quantum mechanical dipole matrix element universal curve symmetry simple relationship step model polar angle photo current main thing decision theory energy band photo mission process transition matrix element energy conservation band masses free electron large energy accelerator physics 100 electron volts potential barrier sudden approximation photo mission measurement work function radiation shield photo electrons coming classical mechanics momentum space physical quantities balls condensed matter physics photo machine discharge lamp single atom low energy electronic couple slides valence band spectroscopy higher harmonic generation plane momentum photo lecture mechanics actual process famous year nanometer probing mission process electron volts quantum mechanics class caption complete free space featureless background sample manipulator crystal wright fermi–dirac statistics thermodynamics higher energy kinetic energy highest energy vacuum chamber electronic band structures electron analyzer play momentum velocity quantum chemistry correct answer quantum materials electron momentum electromagnetism fermi level urban studies and planning electron leaving educational psychology energy range si derived units low temperature mass quantum mechanics nobel prize material science From James Overhiser on August 7th, 2019 15 plays
47:29 Molecular Beam Epitaxy of High Mobility ZnO-based… Molecular Beam Epitaxy of High Mobility ZnO-based Heterostructures (Falson)	Molecular Beam Epitaxy of High Mobility ZnO-based Heterostructures (Falson) 2019 Cornell Summer School generally speaking growth parameters concepts in physics chemical elements magnesium zinc oxide percent magnesium geometric shapes heat transfer needle temperature coke side density inorganic compounds thermodynamics hall effect reducing agents scattering time pyrotechnic fuels materials science oxide substrate form defects magnetic field oxides polarization field max planck fairly high quantum transport pretty simple ball crystal rotated sample band gap ultraviolet radiation real space depletion region measurement electric and magnetic fields in matter beautiful big crystallography ray diffraction gallium arsenide micro meter extra wiggles shift gears chemical properties electric field spintronics nice flat environmental science doping magnesium electron gas high density magnesium content cool interaction problems whatsoever residual charge local tetrahedron fractional quantum phase transition nice linear light sources magnetism degrees celsius silicon oxide photo luminescence mineralogy semiconductors electron mobility charge density quantum mechanics silicon particles dimensional extra system temperature high mobility electrostatics antacids dimensional electron system effective mass superhard materials impurity content common oxide glass components refractory materials quantum phases physical quantities condensed matter physics header interface header structure dietary minerals cooking techniques substrate holder silicon carbide state functions crystal structure electronics terminology iii-v compounds metals large peak crystals mathematical terminology carbides caption complete single crystal plasma cell environmental chemistry semiconductor materials full range rock salt arsenides growth rate d.c.theatre photon energy single site roughly proportional flat surface moderate temperatures alkaline earth metals electromagnetism m.b.zinc oxide low temperature diffraction nitrides gallium nitride left hand side zinc oxide layer materials fairly simple From James Overhiser on August 7th, 2019 31 plays
01:00:53 How Data Changes Materials and Synthesis by… How Data Changes Materials and Synthesis by Design ( McQueen)	How Data Changes Materials and Synthesis by Design ( McQueen) 2019 JHU Summer School chemical potential real space characteristics concepts in physics number internet slang small amount extended effects systematic errors concentration nationalism caption complete 1st week temperature c.c.d.charge carriers materials high pressure thermodynamics potential semantics conditions composition physical chemistry materials science material pressure scientific classification representative structure reaction property high level property law diffraction free energy thought thing political philosophy military equipment economic anthropology problem reaction pathway From James Overhiser on July 16th, 2019 6 plays
09:58 2017 REU Michael Klaczko CNF HHMI KEP PARADIM… 2017 REU Michael Klaczko CNF HHMI KEP PARADIM REU Nano-Convocation	2017 REU Michael Klaczko CNF HHMI KEP PARADIM REU Nano-Convocation d.n.a.laser diffraction u.v.positive resist chemical composition tiny molecules concepts in physics silicon dioxide chemical elements pressure drop biological function scattering mirror stack electric potential i.t.t.l.d.electricity transparent d.v.r.optical devices molecules signal processing taper channel smooth surface oxides opposite direction protein spot initial pressure distributed brag side walls social concepts substrate p.d.s.cognition microscopy specific digital electronics electric field brush pretty cool bacterial mechanics fluid flow electrons moving electric current beam scattering design single molecule wavelength bacteria machines cell biology optical microscope dietary minerals image processing substract print international technology roadmap for semiconductors lithography nodes reu cnf pretty good plasma clean occupational safety and health normal electronic molecular machines double helix crystal quality anthropology tuning fork stamping method extrusion loading topology geometry electric material immune cells k.p.h.300 nanometer polymer brushes transition metals electronic signal chromium $0.00 nanometers electrostatics question fiction electrical current literature values megahertz wave molecular biology electronic device d.v.r. stacks deep u.v.unique mechanical properties physical quantities motor proteins nanometer protein spots semiconductor device fabrication electronic circuits negative resist d.n.a. binding matter printing ultra smooth surface spectroscopy electrical engineering mechanics mechanical system process silicon wafer surface incubation time crystals metaphysics caption complete documents sandwich structure atomic layer deposition diffraction grating potential inside talks acoustic wave gold electrodes mediasite structure electromagnetism initiator photonics side wall space diffraction walls pattern protein $25.00 k.p.h.photo resist behaviorism biotechnology chemistry tantalum oxide polymer chains From James Overhiser on February 18th, 2019 0 plays
01:23:44 Electron Tomography - Theory Electron Tomography - Theory	Electron Tomography - Theory 2017 PARADIM SUMMER SCHOOL Tomography Theory Ercius cartesian space dimensional space dimensional thing scale tomography dimensional reconstruction projection requirement solutions extremely high resolution original image physical science maximum tilting tilt series long time electron microscopy electron tomography compressed sensing inverse nanometers scientific techniques dimensional structure materials science equal angle signal processing concepts in physics photography low dose 1st thing point defect higher frequency single projection diffraction pattern pretty good microscopy needle sample big difference free transform original object spatial frequency vision carbon atom real space adam counting reciprocal space emerging technologies cat f.f.t.dimensional image perfect projections original projection atomic physics projected density experimental projections nano particles stem medical imaging high resolution carbon good reconstruction original projection direction unique object aberration corrected atomic scale beam electrons experimental data tilt axis original intensity nanometer depth pseudo polar microscopes reconstruction technique projection operation low frequency radio spectrum equally slope tomography quantum mechanics kinematics concentric squares cat scan higher dimensional quantum dot analytic geometry iterative loop entire image equal distance iterative algorithm classical mechanics digital photography called equally slope linear algebra grand challenge single particle simpler interpellation dimensional object geometry limitation high tilts nano scale phoria transform english alternative rock groups resolution tomography reconstruction packages building block caption complete digital geometry computer graphics free space reconstruction algorithm improve reconstructions high frequency atomic resolution projection image shell particle cohen resolution dimensional picture sine wave crystallographic defects t.m.advanced algorithms iterative process missing wedge information theory continuous function material science tomography experiment broadcasting mass sample things elementary mathematics chemistry electron microscope nanomaterials From James Overhiser on February 15th, 2019 7 plays
01:16:04 Ronchigrams Ronchigrams	Ronchigrams 2017 PARADIM SUMMER SCHOOL Ronchigrams Peter Ercius aperture size dark field detector concepts in physics smaller probe spherical aberration largest probe graduate school guy named higher order strong magnetic long time electron microscopy order terms phase change zone axis pretty easy specimen optics optical devices 0.11 nanometers fraction pattern local magnification larger aperture electron microscope corrected scope aberration corrected microscope previous images photography magnetic field raunchy gram electron phase shift stem probe convergence angle electron diffraction pattern diffraction pattern science of photography diffraction space elementary geometry post specimen rate path small screen engstrom optics objective lens circles aberration shape microns left low frequency nice probe corrected stem small amount semi angle post specimen lenses infinite magnification focus series monolithic detector seabed pattern ranch graham flat region atomic physics aberration corrected scope electron lens pretty close a.t.f.focal series diffraction button aberration correct overlap region bright field detector largest aperture high resolution wine glass carbon k.v.lot simpler image correct aberration corrected length round lens 300 k.v.quote unquote large focus radio symmetry focused probe image processing bbc radio 4 programmes contrast transfer ecclesiastical titles centimetre–gram–second system of units f.b.i. tech physical optics image shift flat phase micron diameter aperture 200 k.b.geometrical optics amorphous material alpha angle aberration corrector c.s.aberration correction shadow image sphere collaboration physical chemistry digital photography higher order aberrations beam electron diffraction f.b.i.100 percent 2nd order csub caption complete star aberration crystallography angle high angles c.c.d.virtual detector optical axis automated alignment particle physics aberration function pixilated detector computer vision lens current atomic resolution central spike weird aberrations higher order terms perfect lens t.m.3rd order priest specimen lenses k.b.double overlap si derived units corrected microscope diffraction single position tiny bit order spherical chemistry convergent beam electron stem From James Overhiser on February 15th, 2019 17 plays
39:59 Introduction to Electron Microscopy Introduction to Electron Microscopy	Introduction to Electron Microscopy 2017 PARADIM Intro to TEM David Muller aperture size observational astronomy data sets big objects scattering individual atoms long time electron microscopy optical devices fraction pattern molecules electromagnetic potential electron microscope big fat spot atomic force microscope strong lens 1000000 volts concepts in physics photography magnetic field c.c.d. camera numerical aperture 1st thing diffraction limited zation damage diffraction pattern huge cross sections charge carriers spherical aberration microscopy big angles optics objective lens chip failed 1st electron bacteria optical microscope radiation damage atomic physics imaging mode uniformly illuminated electron lens electron beam aberration correct magnetism lens action energy loss s.c.m.magnetic lens scientific techniques microscopes optic axis statistics accelerator physics transmission electron microscope geometrical optics science of photography scanning electron microscope incredibly incredibly tiny knowledge representation projectile lenses diffraction spot physical quantities digital photography diffraction blur objective aperture viewing screen magnetostatics condenser lens caption complete free space c.c.d.scattering mechanism particle physics electron gun great amount small spot atomic resolution single transistor time varying field elastic scattering high voltage t.m.electromagnetism charged particles electron military equipment academic administration losses equation From James Overhiser on February 15th, 2019 12 plays
01:01:34 Linear Imaging Theory Linear Imaging Theory	Linear Imaging Theory 2017 PARADIM Linear Imaging Theory Robert Hovden d.n.a.dark field aperture size object function total intensity collaboration increases concepts in physics convergence angle area spherical aberration wide range covering today geometric shapes d.n.a. structure central minimum electron microscopy focal point intensity increases linear imaging model wave vectors control theory optical devices collection angle larger aperture electron microscope high angle architectural elements signal processing photography high pass filter transfer function uncorrected system phase shift darkfield regime functional form scattered electrons higher frequency bright field stem egyptian artefact types diffraction pattern science of photography point spread function high intensity probe elementary geometry integrals spatial frequency optics objective lens bright field regime bright spots real space low frequency reciprocal space blurring contribution sphere collaboration uncorrected instrument characteristic dimension incoherent imaging condition surfaces aperture function wave front atomic physics imaging mode contract transfer function white noise scanning transmission electron cohere imaging previous lecture distant plane elementary shapes stem higher angles high resolution incoherent linear image mil rating detector geometries field cone geometry types of functions aberration corrected constant phase length lower frequencies chromatic aberration conic sections amplitude squared aberration free scientific techniques microscopes measuring instruments intensity squared optic axis intensity decreases contrast transfer diffraction limit stem image individual atom radio spectrum incoherent imaging quantum mechanics aberration free probe multivariable calculus people meters focal plane bright field low angle amateur radio systems theory image plane coherent imaging condition collecting electrons blurring function transmission electron microscopy physical quantities digital photography angular spread double integral coherent imaging largest range face shift higher order aberrations raleigh criterion pio fairly interpretable transmission electron microscope square pulse geometrical optics digital signal processing 1st order caption complete probe tails nyquist limit blue curve subroutines broadcasting filter frequency response maximum frequency high frequency caustic curve hand side low pass filter spatial coordinates atoms closer coherent image sparrow criterion structural system pico meter dark background frequency space optimal aperture t.m.complex conjugate contrast transfer function wave function measure ultimately imaging condition annular darkfield incoherent imaging mode atomic number field stem atomic column inelastic interactions nobel prize angle medium chemistry focal imaging probe size From James Overhiser on February 15th, 2019 13 plays
$Thumbnail for entry Diffraction (Part 2)$ 01:07:41 Diffraction (Part 2) Diffraction (Part 2)	Diffraction (Part 2) 2017 PARADIM Diffraction part 2 David Muller central beam noise source aperture size n.c.concepts in physics ideal d.q.2nd thing readout noise high dynamic range mental plane thermal noise long time channel gain variations quantum electrodynamics digital imaging count rate optical devices fraction pattern pico amps long range biological imaging range electric fields huge amount signal processing geology d.p.photography thin pixel magnetic field hole pez c.c.d. camera electronics poisson distribution diffraction pattern electron hope point spread function 200 kilovolts $16.00 pico amps neighboring pixel square root mass signal standard deviation detective quantum efficiency spatial frequency optics real space research methods energy distribution magnetic ripples d.q.single electron sensitivity particle physics narrow pixel space measurement slowly varying abled sphere atomic physics imaging mode electric field energy deposited minus sigma pretty good emerging technologies electron beam noise dynamic range point $16.00 pico magnetism dock noise soft moon k.v.pulse counting detector lastic imaging modes e.q.low energy pretty darn good electrons arrive micron pixel fire electron random noise microscopes perfectly linear discrete distributions electron produces mass image percent variation technical details electron hole pay q.e.statistics electrostatics electronics terminology quantum mechanics field image single actor ideal detector multiple pixels grain contrast systems theory electron hole 1st time high count rates charge carriers huge number diffraction spot physical quantities digital photography full diffraction pattern noise time pulse counting beam energy high voltages output noise milli 2nd dynamical systems output signal low count rate dimensional data digital signal processing momentum transfer caption complete $150.00 micron information pixel array detector c.c.d.1000 electrons laboratory equipment cybernetics atomic resolution scientific method finite size fundamental limit noise ratio fraction spot quantum chemistry t.m.data evaluation methods electromagnetism momentum operator incident electron diffraction probability current flow rough rule beam current wave function diffraction work From James Overhiser on February 15th, 2019 9 plays
$Thumbnail for entry Diffraction (Part 1)$ 01:18:03 Diffraction (Part 1) Diffraction (Part 1)	Diffraction (Part 1) 2017 PARADIM Diffraction part 1 David Muller d.n.a.solid pole concepts in physics outgoing spherical wave positive nuclei ray diffraction experiment atomic physics diffracted beam nicely lined higher order silicon atom electron microscopy focal point image intensity zone axis symmetry zone axes optical devices fia fraction pattern teaching shape factor electron microscope audio engineering high angle nuclear physics fit scattering beautiful thing good approximation thin sample imaging method chip chip chip reciprocal lattice phase shift elastic scattering digital audio english indie rock groups diffraction pattern diffraction space geometric optics chemical elements big angles spatial resolution small angle scattering elementary special functions badly tilted spatial frequency adam layer real space lattice spacing delta function small angle measurement crystallography particle physics musical quintets time frequencies quantum chemistry scattering happened 1st column scattering oral communication plane wave atom column biology and pharmacology of chemical elements titanium column multi slice transmission function electron beam finite object surface normal big spacing periodic crystal soft moon forward direction synchrotron-related techniques wave number constant phase infinite series change shape travel parallel infinitely large crystal scientific techniques main thing sol microscopes mathematical physics contrast imaging optic axis shape fact transition metals initial wave forward scattering stem image reciprocal space spherical wave electronics terminology quantum mechanics field image neighboring column 1st approximation reducing agents fourier analysis analytic geometry furcal wave focal plane time varying bright field angle scattering order spot multi slice simulation image plane didactics scattering event physical aperture diffraction spot momentum space physical quantities phoria transform times worse 2nd ring single atom objective aperture dietary minerals absorption and radiative transfer (optics)trigonometry strong phase approximation unit cell field imaging carbon nitrogen stem mode metals diffraction peak inverse angstroms english alternative rock groups dog field geometrical optics parallel beam 1st order momentum transfer atomic resolution image year transform crystallography definition periodic table fiber optic waveguide pyrotechnic fuels central spot semiconductor materials mathematical notation caption complete finite size lattice image d.c.large angle fall field sine wave fraction spot functional analysis random orientation t.m.bad news initial wave function educational psychology acoustics information theory diffraction atomic number long rod wave function From James Overhiser on February 15th, 2019 19 plays