Search for tag: "scattered electrons"

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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 113 plays
48:34 Core Loss EELS, EDX Core Loss EELS, EDX	Core Loss EELS, EDX 2017 PARADIM Core loss EELS Lena Kourkoutis specific element fine structure violence lower energy noise level statistical mechanics huge increase elastic contrast concepts in physics metals atomic scale huge problem chemical elements noise e.t.f. image emotions power law nitrides transition metals image processing particle physics energy edges caption complete electronic structure spectroscopic mapping t.m. electron collection angus scales specific edge ironic compound optical devices high energy reducing agents collection angle good amount transition metal scientific terminology pyrotechnic fuels spectroscopic map biology and pharmacology of chemical elements nuclear physics energy resolution tails of probability distributions afternoon session photography semiconductor materials inelastic scattering 1st peak entrance aperture anthropology silicon edge single spectrum collection anger energy loss metalloids scattered electrons probability theory emotion physical quantities digital photography elastic signal occupied density science of photography high energy losses geometry low energy local background white lines strong peak microscopy small collection data set dietary minerals face contrast atomic number background subtraction spectroscopy diffraction contrast atomic physics free path binding energy optics e.t.f. 2nd peak From James Overhiser 99 plays
14:38 2016 REU Cameron Ruhl CNF & PARADIM REU… 2016 REU Cameron Ruhl CNF & PARADIM REU Convocation	2016 REU Cameron Ruhl CNF & PARADIM REU Convocation renting interesting properties high temperature interesting applications concepts in physics side walls chemical elements questions filename extensions 2nd design electron microscopy generation devices exposure time electricity interesting systems theory metallurgy permanent pyrotechnic fuels magnetic materials science super lot grain structures dimensional material magnetic field oxides electron nanomaterials fact data 1st thing matrix theory scattered electrons precursor flow $4.00 system large scale hexagon system charge carriers microscopy group microscopy atomic lot banking scale image fourfold symmetry titanium platinum determine 1st presenter 210 kelvin selenium atoms design measurement crystallography ray diffraction particle physics human communication $210.00 kelvin chemical properties reu current experiment vast majority scanning transmission electron charge carrier emerging technologies model layer environmental science oxidation agreement magnetism complicated ratios grain boundaries lattice orientation properties graphic orientation lined dots electrical transport superhard materials thing misaligned dots magnetostatics alpha psi symmetry mineralogy semiconductors magnetic property photographic processes microscopes future work thin film hard drive anions hexagonal lattice resolution image transition metals hall fact arts rural community development temperature color composite image growth process white circle system quantum mechanics charge care business law inorganic silicon compounds transition metal molecular quantum dot accountancy professor david $45.00 degrees previous film grain orientation transmission electron microscopy physical quantities silicon nitride condensed matter physics circle represents confounding variables mechanics highly misaligned call fact crystal structure atomic lattice false color composite silicon wafer nano wire metals dislocation behavior electromagnetism nitrides caption complete electronic properties quantum electronics darkfield transmission electron dimensional system chrome gold flower design potential atomic resolution parameter super lattice single material algebra local super lattice mismatch scandium green boundaries cnf mediasite aspect ratio structure architectural design aesthetics diffraction $210.00 calvin carbides voltage drop materials photo resist From James Overhiser 27 plays
14:23 2016 REU Mark Marsalis CNF & PARADIM REU… 2016 REU Mark Marsalis CNF & PARADIM REU Convocation	2016 REU Mark Marsalis CNF & PARADIM REU Convocation renting interesting properties high temperature interesting applications concepts in physics side walls chemical elements superhard materials 2nd design geography electron microscopy generation devices exposure time electricity metallurgy fraction pattern pyrotechnic fuels judicial remedies materials science junction super lot grain structures dimensional material material magnetic field electron nanomaterials fact data 1st thing scattered electrons precursor flow $4.00 system large scale electronic devices charge carriers microscopy group microscopy atomic lot banking scale image cognition fourfold symmetry titanium platinum research methods 1st presenter 210 kelvin hexagonal lattice design measurement crystallography ray diffraction particle physics $210.00 kelvin chemical properties reu cnf biology and pharmacology of chemical elements vast majority scanning transmission electron charge carrier emerging technologies model layer magnetism ratios grain boundaries lattice orientation collaborators graphic orientation lined dots electrical transport misaligned dots alpha psi mineralogy color semiconductors magnetic property microscopes future work thin film selenium atoms resolution image transition metals hall fact arts statistics color composite image growth process white circle photographic processes quantum mechanics charge care inorganic silicon compounds mohan professor david transition metal comic resolution image electromagnetism quantum dot accountancy professor david $45.00 degrees previous film grain orientation transmission electron microscopy quantum phases physical quantities silicon nitride condensed matter physics circle represents confounding variables dislocation magnetostatics highly misaligned call fact crystal structure atomic lattice false color composite silicon wafer nano wire metals dislocation behavior nitrides caption complete electronic properties quantum electronics rural community development darkfield transmission electron christian saints from the old testament dimensional system hexagon system chrome gold flower design atomic resolution scientific method super lattice single material mediasite local super lattice mismatch green boundaries data aspect ratio business law architectural design aesthetics light $210.00 calvin voltage drop photo resist From James Overhiser 18 plays
14:20 2016 REU Arthur McCray CNF & PARADIM REU… 2016 REU Arthur McCray CNF & PARADIM REU Convocation 2016	2016 REU Arthur McCray CNF & PARADIM REU Convocation 2016 renting interesting properties high temperature interesting applications concepts in physics side walls oriented dots chemical elements superhard materials 2nd design electron microscopy generation devices exposure time electricity metallurgy pyrotechnic fuels materials science super lot grain structures dimensional material magnetic field electron nanomaterials fact data 1st thing scattered electrons precursor flow $4.00 system geography terminology large scale hexagon system charge carriers microscopy group microscopy atomic lot banking political philosophy fourfold symmetry titanium platinum 1st presenter 210 kelvin selenium atoms design measurement crystallography ray diffraction particle physics procedural programming languages scattering $210.00 kelvin chemical properties scale image reu cnf vast majority scanning transmission electron charge carrier emerging technologies model layer magnetism ratios grain boundaries rural community development individualism graphic orientation lined dots electrical transport misaligned dots alpha psi mineralogy semiconductors magnetic property microscopes future work thin film hexagonal lattice resolution image transition metals hall fact arts lattice orientation color composite image growth process white circle photographic processes quantum mechanics charge care inorganic silicon compounds transition metal electromagnetism quantum dot accountancy professor david $45.00 degrees previous film grain orientation transmission electron microscopy physical quantities silicon nitride condensed matter physics circle represents confounding variables magnetostatics highly misaligned call fact crystal structure orientation atomic lattice false color composite silicon wafer nano wire metals dislocation behavior nitrides caption complete computer graphics electronic properties quantum electronics darkfield transmission electron dimensional system chrome gold flower design atomic resolution scientific method super lattice single material local super lattice mismatch green boundaries mediasite aspect ratio business law architectural design aesthetics $210.00 calvin voltage drop photo resist From James Overhiser 32 plays
13:10 2016 REU Betty Hu CNF & PARADIM REU… 2016 REU Betty Hu CNF & PARADIM REU Convocation	2016 REU Betty Hu CNF & PARADIM REU Convocation renting interesting properties chemical properties high temperature interesting applications concepts in physics side walls chemical elements superhard materials 2nd design electron microscopy fold symmetry generation devices exposure time electricity metallurgy thermodynamics reducing agents pyrotechnic fuels nice square lot materials science hall bars super lot grain structures dimensional material magnetic field electron nanomaterials fact data 1st thing scattered electrons precursor flow $4.00 system large scale oriented dot orientation disorder charge carriers microscopy group microscopy atomic lot elementary geometry scale image electronic devices fourfold symmetry titanium platinum 1st presenter 210 kelvin selenium atoms design measurement dry edge crystallography ray diffraction particle physics banking $210.00 kelvin w.c. reu cnf c.n.n. vast majority scanning transmission electron charge carrier coefficient emerging technologies model layer magnetism ratios grain boundaries lattice orientation topology american rock music groups electrical transport measurements geometry graphic orientation transition lined dots electrical transport misaligned dots alpha psi mineralogy semiconductors magnetic property microscopes future work thin film hard drive hexagonal lattice resolution image transition metals hall fact arts rural community development temperature color composite image growth process white circle nitrides photographic processes quantum mechanics charge care business law inorganic silicon compounds transition metal electromagnetism quantum dot accountancy direction professor david $45.00 degrees previous film t.c.m. grain orientation transmission electron microscopy physical quantities silicon nitride condensed matter physics circle represents density functional theory confounding variables magnetostatics highly misaligned call fact crystal structure atomic lattice false color composite silicon wafer nano wire good agreement metals p.c.b. sample dislocation behavior mathematical terminology caption complete graphics file formats electronic properties baseline measurement economics terminology darkfield transmission electron dimensional system hexagon system chrome gold flower design quantum electronics atomic resolution super lattice single material algebra kelvin state functions local super lattice mismatch green boundaries silicon nitrate mediasite fabrication structure architectural design aesthetics aspect ratio $210.00 calvin voltage drop contact photo resist From James Overhiser 74 plays
16:19 2016 REU Maya Martirossyan PARADIM REU… 2016 REU Maya Martirossyan PARADIM REU Convocation	2016 REU Maya Martirossyan PARADIM REU Convocation renting interesting properties high temperature interesting applications concepts in physics side walls chemical elements flower pattern superhard materials thickness 2nd design electron microscopy difference generation devices exposure time electricity mineralogy transparent metallurgy functional groups pyrotechnic fuels materials science super lot grain structures dimensional material magnetic field electron nanomaterials fact data 1st thing scattered electrons precursor flow $4.00 system large scale hexagon system post-recession charge carriers microscopy group microscopy atomic lot banking scale image cognition fourfold symmetry optics l.f. percentage titanium platinum 1st presenter philosophical terminology 210 kelvin selenium atoms design measurement crystallography ray diffraction particle physics curing agents $210.00 kelvin chemical properties reu cnf vast majority semiconductor scanning transmission electron charge carrier emerging technologies model layer statistical terminology deposition ratios grain boundaries lattice orientation color composite image geometry graphic orientation lined dots electrical transport misaligned dots alpha psi characterization semiconductors magnetic property microscopes future work thin film hexagonal lattice resolution image transition metals quantum mechanics tools hall fact arts rural community development natural philosophy growth process white circle question photographic processes fiction charge care inorganic silicon compounds transition metal percentage electromagnetism quantum dot accountancy professor david $45.00 degrees magnetism previous film p.c.t. tool silicon nitrite grain orientation transmission electron microscopy physical quantities silicon nitride condensed matter physics circle represents semiconductor device fabrication rectangular confounding variables p.c.t. magnetostatics highly misaligned layer call fact crystal structure atomic lattice false color composite silicon wafer nano wire metals characterize dislocation behavior nitrides metaphysics caption complete l.f. electronic properties quantum electronics darkfield transmission electron dimensional system chrome gold flower design semiconductor materials atomic resolution super lattice single material local super lattice mismatch green boundaries mediasite fabrication business law architectural design aesthetics manufacturing aspect ratio $210.00 calvin voltage drop photo resist From James Overhiser 68 plays