1. VOLUME 53, NUMBER20PHYSICAL REVIE% LETTERS 12 NOVEMBER 1984Metallic Phase with Long-Range OrientationalOrder and NoTranslational SymmetryD. Shechtman and I. BlechDepartmentof…

1.   2. Crystal Geometry Crystals Lattice Lattice points, lattice translations Cell--Primitive & non primitive Lattice parameters Crystal=lattice+motif 3. Matter Crystalline…

1. Crystallography 2. In 1669 Nicolaus Steno found angles between adjacent prism faces of quartz crystal (interfacial angle), to be 120 °.In 1780 Carangeot invented the…

Slide 1Why Study Solid State Physics? Slide 2 Ideal Crystal An ideal crystal is a periodic array of structural units, such as atoms or molecules. It can be constructed by…

Colored symmetry Applications in: crystal surfaces & crystal growth strained materials twinning magnetic structures ferroelectrics other physical props textures (see…