Some Web sites of interest and relevance to Physics 731</H2>

Some Web sites of interest and relevance to Physics 731

Fall 2006
General:

Sorting categories for March 2006 APS Meeting (for comparison with Table of Contents of Ashcroft & Mermin!)

Structures of Simple Inorganic Solids, extensive lecture notes by Dr S.J. Heyes, Oxford, with many nice figures

Intro to SSP at U. of Delaware

Condensed Matter Physics at Valparaiso U. (advanced UG level)

Lattice Structures:

X-ray crystallography course, C.L.B. Macdonald, U. of Windsor

NRL's compendium of crystal structure convenient, complete, visualization option, awesome

Pictures of common crystal lattices (from BALSAC)

Crystal systems, in the context of minerals, physical characteristics of minerals ; alternative

Survey of structures (from ILL, Grenoble, France)

Gallery of 3D crystal structures of contemporary interest (from ILL, Grenoble)

Gallery of high-Tc superconducting copper oxides (by S. Weber)

SiC, example of stacking sequences

AT&T Labs catalog of lattices, extensive and often technical

Quasitiler 3.0, for constructing quasicrystals in 2-D, with good references

Quasicrystal blurb by Cornell group

Research at Iowa State on quasicrystal surfaces, with references

Fibonacci chain and 1D quasicrystals

Manual for BALSAC, software for visualizing various surface structures; available (see instructor)

Authoritative information on nomenclature for crystal families and Bravais-lattice types

Java applet re screw axis

NZ "vision test" part of Geometry Junkyard

Definition of Symmetry Elements in Space Groups and Point Groups (meaty, authoritative)

Brief summary of crystal systems and Miller indices (from mineralogy class)

Notes on Symmetry in Crystallography from Univ. of Oklahoma (inc. extinctions)

Glide reflections

What Are Martensites?

Steffen Weber homepage (applets on structure, some on reciprocal lattice; many nice, some jam in downloading; seemingly no longer supported)

Crystal viewer by Steffen Weber

Nanoscience atlas

TiO2 structures inc. rutile and ways to view rutile

Structure of fullerenes

Nanotubes made simple -- single wall nanotubes (SWNT) , with downloadables

Nanotube creater, by Steffen Weber

VRML gallery of nanotubes, inc. chiral, by Steffen Weber

PowerPoint presentation on dislocations, defects, etc. (by Pranesh Aswath, U. Texas Arlington)

Defects in Crystals (online book--outstanding and free--by H. Föll, also available in downloadable pdf) --esp. § 5.1.1

Reciprocal Lattices:

Tutorial on reciprocal lattices, somewhat pedestrian but nice animations

IUCr "pamphlet" on reciprocal lattices (with tensor notation)

Crystal diffraction, with nice 2d diagram

Laue diffraction, Steffen Weber applet

ReciprOgraph, an impressive applet from EPFL to calculate the intensities of any substance diffracted by x-rays. Does crystals and powders and shows in-phase plane.

Adjustable 2D lattice with 2-atom basis, and its reciprocal (inc. intensity variations) excellent, succinct, versatile

"Interactive Structure Factor Tutorial"

Detailed description of Ewald construction (click on inset grid for step-by-step)

Ewald construction for a surface or 2D lattice

Quick introduction to Miller indices, some convenient pictures

Interactive tutorial about diffraction

Summary of diffraction, nice treatment

Description of XrayView, software package tutorial about x-ray diffraction, for use with Silicon Graphics computers

Collection of sites related to neutron scattering

Diffraction techniques overview

M. Van Hove's surface/interface theory site: software page

Chemical aspects, bonds:

"Structures of simple inorganic solids" (S.J. Heyes, Oxford U., Inorganic Chem.)

Structure, bonds, forces, useful tables (B.S. Mitchell, Tulane U. <-- so, alas,not currently available)

Simple (perhaps too much so) discussion of covalent bonds via tunneling

Covalent (& ionic) bonds, from chemistry course at UFL

Covalent bonds, correcting common misonceptions, by F. Rioux (Distilled version, omitting QM of bond, from Chemical Educator; original source: J. C. Slater, J. Chem. Phys. 1, 687 (1933)!)

Evjen method: illustration for NaCl

Succinct summary of Ewald summation method from Franz J. Vesely's course Introduction to Computational Physics

Universal binding curve (details for metals, from condensed matter to nuclear)

Lattice Vibrations:

Phonon dispersion for 1D diatomic chain

Phonon dispersion and display of TA and TO modes in 1D (excellent java app)

Phonon dispersion in 1D and some 3D (mostly in French)

Development of (2D) lattice vibrations by oscillating single atom

Phonon dispersion in various crystals

Phonon density of states via "debye"

Phonon dispersion and DOS of diamond, BC8, & ST12

Pedagogical article on Grueneisen constant in 1D model

Einstein, Debye, & Grueneisen models, Mathematica notebook debye.nb (J.J. Kelly, Statistical Physics Courseware)

Note on Mössbauer spectroscopy

Localized modes of anharmonic chain

Tutorial on Raman scattering

For the ambitious: OpenPhonon: an open source computer code for lattice-dynamical calculations

Poster on multiferroics

Conductivity:

Random walk applet, along with elementary discussion of diffusion

Fermi gases:

Fermi distribution: temperature dependence

Statistical mechanics of ideal fermi gas, Mathematica notebook fermi.nb (J.J. Kelly, Statistical Physics Courseware)

Electronic band structure:

Kronig-Penney applet (includes wavefunctions, elegant but slow download) and another (also plots effective mass) and yet another (nice controls, so-so graphics) and an excellent site, newly discovered

Nice site on periodic potentials, with java applet for venerable Kronig-Penney model (This site is in Spanish, but the physics is readily understandable. Or you can translate it using Babel Fish.)

Database of Fermi surfaces of elemental metals (stunning graphics, very informative)

Electrons in 2D hexagonal TB lattice: energy contours and DOS

Density of states in free-electron and tight-binding models

Wrapping carbon nanotubes

Tutorial on nanotubes & graphene bandstructure, with nice pictures (Schönenberger)

Rather clear picture of wrapping

Crystal tutorial project, example of options in modern calculations

Electrons in external fields:

Landau levels

de Haas van Alphen effect

Semiconductors:

Extensive collection of applets about semiconductors (U. of Buffalo)