Some Web sites of interest and relevance to Physics 731

General:

Extensive set of solid-state problems (without solutions)

Highlights from Simulations for Solid State Physics

Web site with lecture notes from course at Virginia Tech

Periodic table, with extensive information about each element

Lattice Structures:

Pictures of common crystal lattices

Crystal-drawing program (partially operational)

Crystal systems, in the context of minerals

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

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

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:

IUCr "pamphlet" on reciprocal lattices

Brief summary of crystal systems and Miller indices

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

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**:

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

Beautiful STM images courtesy of IBM

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.)

Lecture notes on hybridization from undergrad chemistry course

Collection of internet resources about chemistry

**Lattice Vibrations**:

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)

Phonon dispersion of diamond and of graphite

Phonon density of states via "debye"

Mathematica notebook on Debye and Einstein models (PHYS 603, Prof. J. Kelly)

Intrinsic local modes (in anharmonic lattice)

Slide show tutorial on Raman spectroscopy

Short description of Raman spectroscopy

Somewhat more detailed description of Raman spectroscopy

Note on Mössbauer spectroscopy

Conductivity

Thermal conductivity by particles (nice applet)

Fancier continuum applet, for various materials (Note run caution)

Free Electrons

Mathematica notebook on statistical mechanics of ideal Fermi systems (PHYS 603, Prof. J. Kelly)

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.)

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: