Some Web sites of interest and relevance to Physics 731

General:

*Highlights
from Simulations for Solid State Physics*

Solid State Problems, Mihály and Martin

Periodic table, with extensive information about each element

Lattice Structures:

Pictures of common crystal lattices

Crystal systems, in the context of minerals

Survey of structures (from ILL, Grenoble, France)

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

Gallery of high-Tc superconductors (from ILL, Grenoble, France)

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

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

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

Manual for ARTbuild, an interactive program for creation of atomic structures; available (see instructor)

Cambridge Structural Database If you use this and find it helpful, please provide feedback to instructor!

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

Reciprocal Lattices:

Tutorial on reciprocal lattices, somewhat pedestrian but nice animations

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

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

Tutorial on X-ray diffraction from Lawrence-Livermore Nat'l Lab

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

Detailed description of Ewald construction

Ewald construction (simple) and rotating crystal method

Ewald construction for a surface or 2D lattice

Quick introduction to Miller indices, some convenient pictures

Extensive tutorial, with java applets, on structure factor, Miller indices, etc.

Materials structure (inc. quasicrystal) java applets by S. Weber

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

Collection of sites related to neutron scattering

M. Van Hove's LEED [theory] site

Lecture notes on LEED by Maryland graduate Prof. Tim Ohno

**Real-space Structural Probes***:*

Universal curve [for electron mean free path] (U. of Alabama)

XPS (x-ray photoemission spectroscopy), inc. "universal curve" (U. of Nottingham)

FIM (field ion microscopy) tutorial (NIMS, Japan)

Grant Bunker's tutorial documents on X-ray absorption fine-structure techniques

STM tutorial (by T-W Hui, U. of Guelph)

Beautiful STM images courtesy of IBM

SPM (scanning probe microscopy) tutorial (by James R. Smith)

Chemical aspects, bonds

Overview of bonding (from chemistry perspective), inc. hybridization

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

Structure, bonds, forces, useful tables (B.S. Mitchell, Tulane U.)

Collection of sites on bonding (but many links absent)

Collection of internet resources about chemistry

Chemical Bonds, Molecular Shapes, & Molecular Models (pictures of models, etc.)

Nice compendium on bonding (but with many expired links)

**Lattice Vibrations***:*

Phonon dispersion of 1D chain, T (transverse) display

Phonon dispersion for 1D diatomic chain

Phonon dispersion and display of TA and TO modes in 1D

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

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

Phonon dispersion of diamond and of graphite

Phonon dispersion in various crystals

Phonon density of states via "debye"

Phonon dispersion and DOS of diamond, BC8, & ST12

Phonon dispersion and DOS of BN

Intrinsic local modes (in anharmonic lattice)

Einstein, Debye, & Grueneisen models, Mathematica notebook (J.J. Kelly, PHYS603)

Software to calculate phonon dispersion (demo download)

Slide show tutorial on Raman spectroscopy

Short description of Raman spectroscopy

Somewhat more detailed description of Raman spectroscopy

Note on Mössbauer spectroscopy

*Conductivity:*

Heat
transfer between plates by hard particles*
*

Fermi gases:

Fermi distribution: temperature dependence

Statistical mechanics of ideal fermi gas, Mathematica notebook (J.J. Kelly, PHYS603)

Electronic band structure:

Fancy java applet for venerable Kronig-Penney model (but may require downloading peripheral software; posted by Kevin Schmidt of Arizona State Univ.)

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.)

Free-electron vs. tight-binding DOS

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

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

Electrons in external fields:

Semiconductors:

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

Fermi level, carrier concentration, doping

Conductivity: dependencies for Si, Ge, diamond

Diffusion, drift, recombination: java applet on Haynes-Shockley exp't

Formation of pn junction and its band diagram

Tutorial/book on semiconductor devices

Spin systems

Paramagnetism of spin-1/2 systems, Mathematica notebook (J.J. Kelly, PHYS603)

Thermodynamics of paramagnetism, Mathematica notebook (J.J. Kelly, PHYS603)

*Miscellaneous:*

Wave propagation in a lossy medium

Phase transitions

Broken symmetry and order parameters (by J. Sethna)

Hysteresis (by J. Sethna)

Hysteresis applet and description

Another java hysteresis simulation

Mean field model of ferromagnetism, Mathematica notebook (J.J. Kelly, PHYS603)

Melting of metal--crude animation

Advanced topics

An Introduction to Solid State Many-Body Theory (Univ. of Exeter)