## Proceedings of the International School of Physics "Enrico Fermi.", Volume 22N. Zanichelli, 1963 - Nuclear physics |

### From inside the book

Results 1-3 of 88

Page 6

A crystal

the shortest period in the

shortest not parallel to a; c is the shortest not coplanar to a and b; then any period

...

A crystal

**lattice**has several periods. One chooses periods a, b, c such that | a | isthe shortest period in the

**lattice**(or one of several equal shortest ones) ; b is theshortest not parallel to a; c is the shortest not coplanar to a and b; then any period

...

Page 8

so that the co-ordinate axes in reciprocal space are perpendicular to the

coordinate planes of the direct

x b a = — ; — ; p = - . - ; y = — r — • abxc abxc a-bxc The relation between any ...

so that the co-ordinate axes in reciprocal space are perpendicular to the

coordinate planes of the direct

**lattice**. Solving the eqs. (3.1) 2nb x c n 2nc X a 2nax b a = — ; — ; p = - . - ; y = — r — • abxc abxc a-bxc The relation between any ...

Page 9

BZ for the direct face-centred cubic

centred, is the truncated octahedron of Fig. 5. The hexagonal faces are the

planes bisecting perpendicularly the lines joining the central

eight nearest ...

BZ for the direct face-centred cubic

**lattice**, whose reciprocal**lattice**is body-centred, is the truncated octahedron of Fig. 5. The hexagonal faces are the

planes bisecting perpendicularly the lines joining the central

**lattice**point to itseight nearest ...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Other editions - View all

### Common terms and phrases

absorption acceptor approximation assumed band edge band structure Brillouin zone calculated carrier centre charge Chem coefficient components compound concentration conduction band consider constant corresponding crystal curves cyclotron resonance degenerate density diffusion direct transition discussed donor doping effective mass electric field energy gap energy surfaces equation equilibrium example exciton experimental expression Faraday rotation foreign atoms free electron frequency germanium given hence holes imperfections impurity indium antimonide InSb interaction interband ionization ions Journ lattice levels linear liquid magnetic field matrix measurements melt mobility momentum obtained optical p-type phonon Phys potential pressure quantum range reciprocal lattice region samples scattering semiconductors shown in Fig spherical spin spin-orbit structure elements symmetry tensor theory thermodynamic thermodynamic potentials tion transverse valence band valley Voigt effect wave functions wave vector Zeeman effect zero zone