Low-energy electron diffraction (LEED) is a technique for the determination of the surface structure of single-crystalline materials by bombardment with a collimated beam of low-energy electrons (30–200 eV) and observation of diffracted electrons as spots on a fluorescent screen. LEED may be used in one of two ways: 1. * Qualitatively, where the diffraction pattern is recorded and analysis of the spot positions gives information on the symmetry of the surface structure. In the presence of an adsorbate the qualitative analysis may reveal information about the size and rotational alignment of the adsorbate unit cell with respect to the substrate unit cell. 2. * Quantitatively, where the intensities of diffracted beams are recorded as a function of incident electron beam energy to generate the so-called I–V curves. By comparison with theoretical curves, these may provide accurate information on atomic positions on the surface at hand. (Wikipedia).
Physics - Optics: Single Slit Diffraction (8 of 15) Intensity=? General Case
Visit http://ilectureonline.com for more math and science lectures! In this video I will calculates the intensity (anywhere) in general caused by the diffraction. Next video in series: http://youtu.be/PpYCIyKJAWM
From playlist PHYSICS 61 DIFFRACTION OF LIGHT
Physics - Optics: Single Slit Diffraction (6 of 15) What Causes Intensity Diffraction Patterns?
Visit http://ilectureonline.com for more math and science lectures! In this video I will conceptually explain the intensity cause by diffraction patterns. Next video in series: http://youtu.be/OuaPzAN67fw
From playlist PHYSICS 61 DIFFRACTION OF LIGHT
Physics - Optics: Single Slit Diffraction (12 of 15) Intensity=? Caused by Interference & Diffract
Visit http://ilectureonline.com for more math and science lectures! In this video I will find the general equation for intensity caused by the interference and diffraction. Next video in series: http://youtu.be/34yU0aqjPR8
From playlist PHYSICS 61 DIFFRACTION OF LIGHT
Physics - Optics: Diffraction Grating (7 of 7) Rayleigh's Criteria for Resolution
Visit http://ilectureonline.com for more math and science lectures! In this video I will discuss Rayleigh's criteria for resolution. First video in series: http://youtu.be/-pki5mp0wm4
From playlist PHYSICS 61 DIFFRACTION OF LIGHT
Physics - Optics: Single Slit Diffraction (1 of 15) Basics
Visit http://ilectureonline.com for more math and science lectures! In this video I will introduce the basics of single slit diffraction pattern. Next video in series: http://youtu.be/ymOL7qZKutI
From playlist PHYSICS 61 DIFFRACTION OF LIGHT
Physics - Optics: Single Slit Diffraction (7 of 15) Electric Field Amplitude = ?
Visit http://ilectureonline.com for more math and science lectures! In this video I will find the general equation of the electric field amplitude caused by the diffraction. Next video in series: http://youtu.be/9b4HYt6F53Y
From playlist PHYSICS 61 DIFFRACTION OF LIGHT
Physics - Optics: Single Slit Diffraction (5 of 15) Locations of 2nd & 3rd Max & Min = ?
Visit http://ilectureonline.com for more math and science lectures! In this video I will find all the locations of the max and min of the diffraction in general. Next video in series: http://youtu.be/vQPaAEkyDFk
From playlist PHYSICS 61 DIFFRACTION OF LIGHT
Refraction (1 of 5) What is Refraction? An Explanation
Refraction, A conceptual qualitative explanation. Refraction is the change in direction of a ray of light as it passes from one medium to another. The amount of refraction is determined by the index of refraction of the media and the angle of incidence. For light, refraction follows Snell
From playlist Optics: Ray Diagrams, Reflection, Refraction, Thin Lens Equation
Physics - Optics: Single Slit Diffraction (15 of 15) Location of Intensities = ? Anywhere
Visit http://ilectureonline.com for more math and science lectures! In this video I will find the intensity anywhere inside the diffraction pattern for any interference pattern. First video in series: http://youtu.be/eCwiuiW_zQU
From playlist PHYSICS 61 DIFFRACTION OF LIGHT
Mod-01 Lec-5 Diffraction Methods For Crystal Structures (Continued)
Condensed Matter Physics by Prof. G. Rangarajan, Department of Physics, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in
From playlist NPTEL: Condensed Matter Physics - CosmoLearning.com Physics Course
Mod-01 Lec-24 Electrical, Magnetic and Optical Properties of Nanomaterials
Nanostructures and Nanomaterials: Characterization and Properties by Characterization and Properties by Dr. Kantesh Balani & Dr. Anandh Subramaniam,Department of Nanotechnology,IIT Kanpur.For more details on NPTEL visit http://nptel.ac.in.
From playlist IIT Kanpur: Nanostructures and Nanomaterials | CosmoLearning.org
Changyong Song - XFEL imaging & ultrafast irreversible phenomena at femtosecond & nanometer scale
Recorded 10 October 2022. Changyong Song of Pohang University of Science and Technology (POSTECH) presents "Single-pulse XFEL diffraction imaging to reveal ultrafast irreversible phenomena at femtosecond and nanometer scale" at IPAM's Diffractive Imaging with Phase Retrieval Workshop. Abst
From playlist 2022 Diffractive Imaging with Phase Retrieval - - Computational Microscopy
Introduction to Neutron Scattering (Tutorial) by Bella Lake
PROGRAM FRUSTRATED METALS AND INSULATORS (HYBRID) ORGANIZERS: Federico Becca (University of Trieste, Italy), Subhro Bhattacharjee (ICTS-TIFR, India), Yasir Iqbal (IIT Madras, India), Bella Lake (Helmholtz-Zentrum Berlin für Materialien und Energie, Germany), Yogesh Singh (IISER Mohali, In
From playlist FRUSTRATED METALS AND INSULATORS (HYBRID, 2022)
What is Wave Particle Duality?
This video looks at the history of ideas behind the concept of wave particle duality, with a particular focus on the work of Louis de Broglie and the matter-wave hypothesis. After discussing the groundbreaking experimental work of Thomas Young and the concept of wave interference, a brief
From playlist Quantum Physics
Introduction to Solid State Physics, Lecture 14: Semiconductor Devices
Upper-level undergraduate course taught at the University of Pittsburgh in the Fall 2015 semester by Sergey Frolov. The course is based on Steven Simon's "Oxford Solid State Basics" textbook. Lectures recorded using Panopto, to see them in Panopto viewer follow this link: https://pitt.host
From playlist Introduction to Solid State Physics
Materialism Podcast Ep 5. Solving Structures with X Rays
In this episode we cover the history and development of crystallography, the study of the structures that make up the materials around us. The history of this field is filled with accidental discoveries, ingenious inventions, and drama between those who study it. One of the most importan
From playlist Materialism Podcast
Mod-01 Lec-37 Transmission Electron Microscopy
Nanostructures and Nanomaterials: Characterization and Properties by Characterization and Properties by Dr. Kantesh Balani & Dr. Anandh Subramaniam,Department of Nanotechnology,IIT Kanpur.For more details on NPTEL visit http://nptel.ac.in.
From playlist IIT Kanpur: Nanostructures and Nanomaterials | CosmoLearning.org
Mod-06 Lec-12 Electrical Conduction in Ceramics (Contd.)
Advanced ceramics for strategic applications by Prof. H.S. Maiti,Department of Metallurgy and Material Science,IIT Kharagpur.For more details on NPTEL visit http://nptel.ac.in
From playlist IIT Kharagpur: Advanced Ceramics for Strategic Applications | CosmoLearning.org Materials Science
Physics - Optics: Circular Aperture - Angle of Resolution (1 of 6) Introduction
Visit http://ilectureonline.com for more math and science lectures! In this video I will introduce the diffraction pattern of a circular aperture. Next video in series: http://youtu.be/f2Wuo--pdoE
From playlist PHYSICS 61 DIFFRACTION OF LIGHT