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Lecture 04: X-ray diffraction: Crystal structure determination
 
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This lecture discusses the X rays, Bragg’s law and how to determine the crystal structure using XRD data. Dr. Vivek Pancholi Deptartment of Metallurgical and Materials Engineering IIT Roorkee
X ray crystallography basics explained | x ray diffraction
 
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X ray crystallography basics explained - This lecture explains about the X ray crystallography technique to understand the protein structure. X-ray Crystallography is a scientific method used to determine the arrangement of atoms of a crystalline solid in three dimensional space. This technique takes advantage of the interatomic spacing of most crystalline solids by employing them as a diffraction gradient for x-ray light. This video lecture describes the principles of x ray crystallography and the mechanisms of x ray diffraction studies that gives arise to the crystallographic structure of unknown protein samples. For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-materials.html Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching Thank you for watching X ray crystallography basics lecture
Views: 167021 Shomu's Biology
Laue`s Method of detemining Crystal Structure
 
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Complete set of Video Lessons and Notes available only at http://www.studyyaar.com/index.php/module/82-determination-of-crystal-structure-and-crystal-defects http://www.studyyaar.com/index.php/module-video/watch/291-laues-method-and-braggs-spectrometer
Views: 79062 StudyYaar.com
powder method or debye scherrer method lec-15 hindi
 
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This lecture will help you to understand powder method also called debye scherrer method of x ray diffraction method. how it helps us to determine crystallographic density and hence crystal structure. link to last lecture, https://www.youtube.com/watch?v=j2h2rYCxWeU #gatephysics2019 #csirnetphysics #iitjamphysics THANK YOU
Views: 23280 raystudies
Unit Cell - Simple Cubic, Body Centered Cubic, Face Centered Cubic Crystal Lattice Structures
 
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This chemistry video tutorial provides a basic introduction into unit cell and crystal lattice structures. It highlights the key differences between the simple cubic unit cell, the body centered cubic structure and the face centered cubic structure in table format. It provides the number of atoms per unit cell / coordination number, the atomic packing factor / fractional volume efficiency, and the formulas for the edge length calculation of each unit cell which can be useful to calculate the density of the crystal structure given the atomic radius and vice versa. This video is packed with information. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/
XRD Peak Analysis
 
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Find the Miller indices of a peak in a x-ray diffraction pattern for copper. Made by faculty at the University of Colorado Boulder Department of Chemical and Biological Engineering. Reviewed by faculty from other academic institutions. Check out our Materials Science playlist at http://www.youtube.com/playlist?list=PLC9CE6BFBB0D003CD
Views: 227481 LearnChemE
Materials (Part 2: Carbon Steel Crystal Structure)
 
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One of the hidden requirements of an #engineer is to know which material is appropriate for which application. The selection of the wrong type of #steel can be detrimental to your design as well as greatly impact your #manufacturing processes (#welding, #forming, #stamping). In this video we discuss the crystal structure of #carbon #steel and how this impacts the various applications of steel. Facebook: https://www.facebook.com/infinitymfg/ Twitter: https://twitter.com/?lang=en Google +: https://plus.google.com/u/0/b/115170678794551804669/communities/116597582865916960234
Views: 26038 Infinity MFG
Material Science - 1 | C3-L18 | Diffraction Techniques for Crystal Structure Analysis
 
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جامعة الملك خالد - عمادة التعلم الإلكتروني المقررات المفتوحة - مقرر علم المواد 1 - Material Science Chapter 3 : Crystal Structure Lecture 18 : Diffraction Techniques for Crystal Structure Analysis Explain the Diffraction Techniques for Crystal Structure Analysis
Properties and Grain Structure
 
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Properties and Grain Structure: BBC 1973 Engineering Craft Studies
Views: 378468 moodlemech
Intro to X-Ray Diffraction of Crystals | Doc Physics
 
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We figure out how you can determine the structure of a crystal with diffraction!
Views: 77121 Doc Schuster
7. Phonon Energy Levels in Crystal and Crystal Structures
 
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MIT 2.57 Nano-to-Micro Transport Processes, Spring 2012 View the complete course: http://ocw.mit.edu/2-57S12 Instructor: Gang Chen License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu
Views: 26420 MIT OpenCourseWare
Tutorial of VESTA software for creating crystal structures
 
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Tutorial for creating crystal structures from cif files or manual entry. How to create and edit bonds, atoms, planes, vectors etc as well as generate powder diffraction simulated patterns. ** Subscribe to help me grow my channel!
Views: 21953 Taylor Sparks
Crystal Structure Review
 
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A review of some of the important crystal structures in metals: face-centered cubic FCC (or cubic close packed CCP), body centered cubic BCC, and hexagonal close packed HCP structures. Interstitial sites are identified and explained. Close-packed planes and directions are also identified and the relationships between them discussed.
Views: 117333 Scott Ramsay
Determining Crystal  Structures - Powder Diffraction, Debye-Scherrer, Rotating Crystal Method
 
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Complete set of Video Lessons and Notes available only at http://www.studyyaar.com/index.php/module/82-determination-of-crystal-structure-and-crystal-defects Learn about Determining Type of Crystal, Powder Diffraction Method, Debye-Scherrer Method, Rotating Crystal Method http://www.studyyaar.com/index.php/module-video/watch/292-more-methods-for-determining-crystal-structures
Views: 79258 StudyYaar.com
How to Solve Single crystal XRD Structure
 
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Single crystal X-RAY diffraction, SXRD, Single crystal structure, XRD structure solvation, crystal structure solve, How to solve crystal structure, easy way to solve crystal structure
Learning Crystal Structure Analysis at Harvard
 
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Join us for "Chemistry-255: Practical Crystallography in Chemistry and Materials Science" Course-related publications: 1) Teaching with the Case Study Method to Promote Active Learning in Small Molecule Crystallography Course for Chemistry Students (https://lnkd.in/eScgDZH) 2) Teaching Outside the Classroom: Field Trips in Crystallography Education for Chemistry Students (https://lnkd.in/bYif_Ws) 3) From the source: Student-centered Guest Lecturing in a Chemical Crystallography Class (https://lnkd.in/eB-inmZ) 4) Connecting Key Concepts with Student Experience: Introducing Small-Molecule Crystallography to Chemistry Undergraduates Using a Flexible Laboratory Module (https://lnkd.in/e_zVmGV)
Views: 6223 Shao-Liang Zheng
[Коллоквиум]: Formal Concept Analysis: A Useful Example of Modern Mathematics
 
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Speaker: Bernhard Ganter - Technische Universität Dresden We give impressions of a field of research that was started some 30 years ago under the name of “Formal Concept Analysis.” It is a mathematical theory, based on algebraic structures such as complete lattices, with a spectrum of applications in data analysis and knowledge processing Although the theory is advanced and substantial, it finds more attention in computer science than in mathematics. Indeed, the field has some potential for supporting recent developments of structured knowledge representations. In our lecture, we introduce the very basic notions of the field, show the possibility of expressive graphical representations, discuss some applications and, eventually, demonstrate why the value of this development lies in its mathematical nature.
Views: 3789 ФКН ВШЭ
Crystal Structure Solution using Match! and Endeavour
 
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Starting with the qualitative analysis of a mineral sample's powder diffraction pattern using "Match!", we demonstrate in this video how to deal with an unknown phase detected in the sample: After indexing the peaks of this phase using Match! along with Treor, the crystal structure is solved using "Endeavour". Finally, the newly determined crystal structure is visualized using our corresponding software package "Diamond".
Views: 1104 Crystal Impact
Powder X-Ray Diffraction (1 out of 2)
 
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Powder X-Ray Diffraction (XRD) allows the determination of crystallographic density and hence crystal structure of unknown crystalline solids. X-rays are diffracted by atoms in a plane and a spherical wave is radiated. If there are two or more such scattering centres, the spherical waves at specific angles reinforce one another (constructive interference) and at other angles cancel one another (destructive interference). A crystal with planes oriented at an angle θ to an incident x-ray beam of wavelength λ will diffract the rays according to Bragg's equation: 2dsinθ = nλ. In video (1 out of 2), the concept of XRD will be illustrated for compound Tungsten which has a BCC structure using planes 110 and 200. In video (2 out of 2), with the Bragg’s angle θ obtained from the Powder XRD Spectrum, the unit cell length and volume and hence the experimental crystallographic density (g/cm3) is calculated. Interplanar distance is also determined. Other molecular animation videos available at http://www.chemistry.nus.edu.sg/educa... - Video Gallery or via the "Animol" app on iOS and Android.
Views: 120857 NUS Chem Emelyn Tan
Mod-01 Lec-4 Diffraction Methods For Crystal Structures
 
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Condensed Matter Physics by Prof. G. Rangarajan, Department of Physics, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 26107 nptelhrd
Chemistry - Liquids and Solids (33 of 59) Crystal Structure: X-Ray Diffraction
 
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Visit http://ilectureonline.com for more math and science lectures! In this video I will explain x-ray diffraction.
Views: 20678 Michel van Biezen
x ray diffraction methods laue method hindi LEC 14
 
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This lecture will help you to understand what are x ray diffraction methods. particularly we will understand laue method ( in hindi ). I am giving you link for bragg's law because to understand laue method it is important to understand bragg law first, https://www.youtube.com/watch?v=1_78bDhHxO8 text book followed : solid state physics by R.K.PURI AND V.K. BABBAR (edited) https://www.amazon.in/Solid-State-Physics-Puri-R-K/dp/8121914760 THANK YOU #iitjam2019 #gatephysics2019 #csirnet019 #lauemethod
Views: 26367 raystudies
Understanding Crystallography - Part 1: From Proteins to Crystals
 
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How can you determine the structure of a complex molecule from a single crystal? Professor Elspeth Garman take us on a journey into the world of crystallography - from protein production and purification to growing the right type of crystals. In her laboratory at the University of Oxford Elspeth introduces us to some of the tricks of the trade, key techinques and the machines that help her team grow crystals ready for X-ray analysis at specialist facilities like Diamond Light Source. Watch Part 2: From Crystals to Diamond: https://www.youtube.com/watch?v=WJKvDUo3KRk This film was supported by the Science and Technologies Facilities Council (STFC). The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter
Views: 120370 The Royal Institution
Reciprocal Lattice and Structure Factor
 
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Subject: Material Science Paper: Solid State Physics
Views: 4467 Vidya-mitra
Indexing of diffraction pattern, Quantitative analysis
 
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Materials Characterization by Dr. S. Sankaran Department of Metallurgical & Materials Engineering IIT Madras. For more details on NPTEL visit http://nptel.ac.in
Views: 11619 nptelhrd
Chemistry - Liquids and Solids (34 of 59) Crystal Structure: X-Ray Diffraction: Ex 1 Find Angle
 
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Visit http://ilectureonline.com for more math and science lectures! In this video I will calculate angle=? for constructive interference in an x-ray diffraction.
Views: 8735 Michel van Biezen
Powder analysis - A crystal melting and recrystallising
 
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Watch a crystal melting on a Hot Stage Microscope. After first "round of melting" (30 seconds), recrystallisation takes place leading to new crystalline structure - a very beautiful transformation. From www.particle.dk. We perform full powder analysis - including particle size determinations and examination of physical properties such as melting point, crystalline structure etc.
Views: 2239 ParticleAnalytical
Chemistry - Liquids and Solids (35 of 59) Crystal Structure: X-Ray Diffraction: Ex 2 NaCl
 
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Visit http://ilectureonline.com for more math and science lectures! In this video I will calculate d=? for constructive interference of NaCl where angle=23 degrees.
Views: 8490 Michel van Biezen
Crystal Parameters-HCP [Year-1]
 
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Watch this video to learn about parameters of close-packed hexagonal structure. Department: Common Subject: Engineering Physics Year: 1
Views: 16284 Mobile Tutor
Bragg's Equation, Bragg's Law
 
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For further information about Bragg's Law, Please visit the link given below .... http://vedupro.blogspot.in/2012/12/braggs-law-of-diffraction-define-braggs.html BRAGG'S EQUATION -- BRAGG'S LAW X-rays are electromagnetic radiations with high energies and wavelengths of the order 〖10〗^(-10) meter. These rays can be diffracted whenever they meet barrier with one or more openings that is about the same size as the wavelength. The layers of atoms or ions in crystals are separated by a distance of around 100 or 200 pm, which is the right range to cause X-rays to be diffracted. Thus layers of atoms in a crystal act as a diffracting for X-rays.
Views: 143355 vedupro
How-to: Visualise crystal morphology using Mercury
 
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A 'how-to' video on visualising crystal morphology using Mercury. For some structures you may be interested in the physical shape of the crystal and the relationship between this shape and the structure at the molecular level. You can predict the shape of the crystal itself using the BFDH morphology option. Here each of the crystal faces is indexed and we can explore the packing of the structure as normal. If you have experimentally determined the crystal shape (by "face indexing") you may want to read in this information for display in Mercury. You can do this by opening the BFDH morphology dialogue and clicking on Open, then reading in your morphology file. --- Produced by Andrew Bennett (a student at Dame Alice Owen's School, Potters Bar) during a work experience placement at CCDC. --- Mercury - Crystal Structure Visualisation, Exploration and Analysis Made Easy Mercury offers a comprehensive range of tools for structure visualisation, the exploration of crystal packing and statistical analysis of ConQuest geometric searches. http://www.ccdc.cam.ac.uk/
Views: 5169 CCDCCambridge
Simulate Powder XRD PATTERN using VESTA- [TUTORIAL #3]
 
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Tutorial on how to simulate Powder X-Ray Diffraction Patterns (diffractograms) using VESTA a 3D crystal visualizer software. Follow me on: FB Page: https://facebook.com/bragitoff/ FB Profile: https://facebook.com/ducktape07/ FB Page2: https://facebook.com/physwhizforum/ IG: https://instagram.com/___physwhiz___/ IG2: https://instagram.com/ducktape07/ BLOG: http://bragitoff.com FORUM: http://physwhiz.bragitoff.com ANDROID APPS: https://play.google.com/store/apps/developer?id=Manas+Sharma
Views: 6314 Phys Whiz
Bragg Lecture 2001. X-ray crystal structure analysis and Manchester (complete)
 
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Since its origins 150 years ago the University of Manchester has had many famous staff and students in the history of science including a variety of Nobel Laureates. The University had a significant involvement in the development of science at the global level and included Ernest Rutherford’s 'splitting of the atom'. W. L. Bragg succeeded Rutherford both in Manchester and in Cambridge and Bragg in his 18 years in Manchester contributed a major part of that science history. Bragg’s scientific interests embraced crystallographic methods, strongly based on physical optics, and their applications in chemistry and biology, the latter during his Cambridge ie final part of his career. A Publc Lecture was given by Professor John R. Helliwell as the 'W. L. Bragg Lecture', delivered at the University of Manchester’s Physics Department ('Schuster Laboratory'), on 5th February 2001 as part of the University’s 150th Anniversary Celebration. A detailed article was prepared for the Manchester Literary and Philosophical Society Memoirs and subsequently was reproduced in Z. Krist., with permission of the Society, as a contribution to Z. Krist’s 125th Anniversary.
Bragg's Equation For X-Ray Diffraction In Chemistry - Practice Problems
 
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This chemistry video tutorial provides a basic introduction into the use of bragg's equation for X-ray diffraction. It explains how to use the equation to calculate the interplanar spacing between atoms in a crystal given the wavelength of the x-ray. This video explains the derivation of bragg's equation / formula and provides examples and practice problems showing you how to use it. New Chemistry Video Playlist: https://www.youtube.com/watch?v=bka20Q9TN6M&t=25s&list=PL0o_zxa4K1BWziAvOKdqsMFSB_MyyLAqS&index=1 Access to Premium Videos: https://www.patreon.com/MathScienceTutor Facebook: https://www.facebook.com/MathScienceTutoring/
OVITO Modifiers for Crystal Structures
 
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In this video, I cover centrosymmetry, common neighbor analysis, and polyhedral template matching modifiers. Images and animations created in OVITO. OVITO: www.ovito.org Video created while a student at Mississippi State University
Views: 1964 EnCodeVentor
The diffraction pattern of a protein crystal
 
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2014 is the international year of crystallography, the one hundredth anniversary of great achievements in crystallography. Max Theodor Felix von Laue was awarded the Nobel prize in physics in 1914 for his discovery of the diffraction of X-rays by crystals. In 1915, sir William Henry Bragg and William Lawrence Bragg won the Nobel prize for their services in the analysis of crystal structure by means of X-rays.Thanks to many crystallographers including Laue and Braggs, now we can investigate the detailed atomic structures of a number of minerals, chemicals, biomolecules, and whatever forms a crystal. Here, the diffraction pattern of a protein crystal is shown. Protein crystallography has been applied to studying living systems and discovering new drugs. Undoubtedly, crystals look beautiful. And so do diffraction patterns from crystals.
Views: 3963 yota218
Structure of diamond
 
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Structure of diamond
Maud Second Video Lesson part 1 of 5
 
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In this lesson I show how to perform a basic quantitative analysis in automatic and importing the phases from CIF files. In part 1 the data loading and structure is explained.
Views: 23486 MaudRietveldProgram
Hexagonal Closed Packed Structure 3D Animation
 
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Closest-Packed Structures Efficient Packing of Balls Suppose you are given a large number of tennis balls and asked to pack them together in the most efficient fashion. What is the most efficient packing strategy? One could toss all the balls together in a box and shack the box to induce the balls to settle. The resulting packing of the balls is called a random closest-packed structure. Not surprisingly it is not the most efficient way to pack the tennis balls. Although there are a variety of factors that influence how atoms pack together in crystals, atoms generally seek the most efficient packing structure in order to maximumize intermolecular attractions. Metals provide the simplest packing case, because these atoms can generally be regarded as uniform spheres. The two most efficient packing arrangements are the hexagonal closest-packed structure (hcp) and the cubic closest-packed structure (ccp). This exercise focuses on the hexagonal closest-packed structure, and the next exercise deals with the cubic closest-packed structure. In a crystal the atoms are arranged in a regular repeating pattern. The smallest repeating unit is called the unit cell. The entire structure can be reconstructed from knowledge of the unit cell. The unit cell is characterized by three lengths and three angles. The quantities a and b are the lengths of the sides of the base of the cell and γ is the angle between these two sides. The quantity c is the height of the unit cell. The angles α and β describe the angles between the base and the vertical sides of the unit cell. In the hexagonal closest-packed structure, a = b = 2r and c = 4(2/3)1/2 r, where r is the atomic radius of the atom. The sides of the unit cell are perpendicular to the base, thus α = β = 90o. The base has a diamond (hexagonal) shape corresponding with γ = 120o. How might one characterize the efficiency of the packing of atoms in a crystal? The volume of the unit cell is readily calculated from knowledge of a, b, c, α, β, and γ. The volume of the hexagonal unit cell, which described the hexagonal closest-packed structure, is V = 8(2)1/2 r3. The volume of an individual atom is Va = 4 π r3/3 and there are two atoms in the unit cell for the hexagonal closest-packed structure, thus the volume occupied by the atoms is 2 Va = 8 π r3/3. The packing efficiency, f, is the fraction of the volume of the unit cell actually occupied by atoms. For the hexagonal closest-packed structure f = π/(18)1/2 = 74.05%. The cubic closest-packed structure has the same packing efficiency, and this value is the highest efficiency that can be achieved. Hexagonal Closest-Packed Structure The virtual reality display illustrates the packing of atoms in the cubic closest-packed structure. This display requires Java3D. If the display is not visible, consult the Java3D FAQ. Drag with the left mouse button to rotate, the center button to zoom, and the right button to move the object. Follow the suggested steps to visualized the structure, which consist of a 4x4x4 array of 64 atoms. All of the atoms are identical; however, the atoms have been colored red and green to illustrate which rows have an identical position in the xy plane. The layers of atoms in the hexagonal closest-packed structure follow an ABABAB pattern. Use the "+" button to start adding atoms in the first layer. Before adding each atom, think about the best location for each atom to achieve the most efficient packing (there are multiple positions). Pay special attention to how adjacent rows are positioned. After the first layer is complete, use the "+" button to add atoms to the second layer. Before adding the first atom, think about the best position in which to place the atom. After the second layer is complete, use the "+" button to add atoms to the third layer. Before adding the first atom, carefully examine the completed layers. Notice that there are two different positions to place the first atom in the third layer. In the hexagonal closest-packed structure, the third layer lies directly above the first layer. Remove all atoms. Display the unit cell and the lattice positions. (Each atoms is centered on a lattice position.) Add atoms to each layer and observe the arrangement of atoms in the unit cell.
Views: 308352 Creative Learning
Lecture - 5 Crystal Structure contd
 
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Lecture Series on VLSI Design by Dr.Nandita Dasgupta, Department of Electrical Engineering, IIT Madras. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 48203 nptelhrd
XRD analysis
 
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XRD -Peak indexing, Other calculations
Views: 151685 illuminati physics
Webinar “Topological databases in crystal structure analysis: Why do we need them?”
 
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On October 31, 2016 at в 10:00 UTC (13:00 of Moscow time) SCTMS conducted the webinar «Topological databases in crystal structure analysis: Why do we need them?» We considered most important databases containing information on topological properties of periodic structures: RCSR, Epinet, ToposPro topological collections. We discussed examples of their application for description of particular crystal structures.
Views: 186 SCTMS
Cif file from crystallographic open database(cod and JCPDS card downloading)
 
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crystal information file ( cif ) is file which contain detail information about the crystal structure. this cif file is readable by VESTA jp mineral and other crystal visualizer software like j-mole and Avogadro. Cif file can be freely downloaded from crystallographic open data base (COD) it also provide the JCPDS card number (cod id) that can be used as reference pattern for x-ray diffraction (XRD) pattern analysis. Material science, experimental and theoretical scientist can take benefits from cif file which provide the detail information about the crystall structure. This video provide detail explanation and method for downloading the cif file freely from cod open data base. #cod #crystallographic-open-database #XRD #XRD-analysis #jcpds #material-science #crystal-structure
Views: 250 easyedu
Diamond cubic crystal structure
 
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In this video I present the diamond cubic crystal structure, explaining the tetrahedral symmetry of each carbon atom, bonded to four other carbons.
Views: 45912 Scott Ramsay
crystallography and reciprocal space
 
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see other animations at http://www.QuantumMadeSimple.com Animations produced by the research groupe www.PhysicsReimagined.com with support of labex PALM.
Views: 111065 vulgarisation
Lecture - 6 Crystal Structure
 
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Lecture Series on Materials Science by Prof.SK. Gupta, Department of Applied Mechanics ,IIT Delhi. For more details on NPTEL visit http://nptel.iitm.ac.in
Views: 37980 nptelhrd

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