CONCEPT MAP OF SOLID STATE OF PHYSICS

CONCEPT MAP OF SOLID STATE OF PHYSICS

1. PROPERTIES OF SOLIDS

   • ELECTRICAL PROPERTIES
     • Models Of electrons in Solids
       • Band theory of solids
       • Quantum free electron theory
       • Classical free electron theory
         • Here electron stay as according to the kinetic theory of ideal gases.
       • Konig-Penny model
   • STRUCTURAL PROPERTIES
     • Crystal structures & inter atomic bonding
       • Crystalline materials
         • We can find three types of solids. 01)Crystals 02)Poly crystals 03)Amorphous Here we consider the crystalline materials.
       • Lattices
         • Bravias Lattice
           • We can find the Simple cubic,Face centered cubic,Body centered cubic forms of these lattices. There are 14 Bravias Lattices which of seven crystal systems
           • 2D
           • 3D
             • cubic
             • Tetrogonal
             • Ortorhombic
             • Hexagonal
             • Trigonal
             • Monlinic
             • Triclinic
         • Non-Bravias lattices
       • Crystal planes & Miller Indices
         • Miller indices are introduced as 1/h,1/k,1/l in the theories,which by the means h,k,l are the planes of the crystal
       • Reciprocal Space & Reciprocal Lattice
       • Importance of solid state matter
         • Of course it is an practical incident explaining part of science,physics in nature.
       • Crystal structures
         • Diamond
         • NaCl
       • Crystal symmetry
         • We can find several symmetries of the crystals like horizontal,vertical,diagonal & etc
     • Difffraction methods & crystal structure determination
       • This can be shown by the experiments used in the optics lab.All the 2dSinQ=L gives the relationship of the interferences.Inteferences are of constructive & destructive
       • Neutron Diffraction
       • Electron Diffraction
       • Applications of X-ray Diffraction
       • Experimental methods of X- ray Diffraction
     • Thermal properties of Solids
       • Debye theory
       • Einstein's theory
       • classical theory
     • Lattice vibrations & Phonons
       • Phonons are vibrational energy packets
       • Model Inter - Atomic potential
         • Inter - atomic potential consist of the attractive & the repulsive energy of a molecule. It is inversely proportional to the certain power of the distance between the atoms contributing to the bond
       • Cohesive energy crystal
         • Cohesive energy is the binding energy or the energy difference of free atoms & the energy of the molecule made by the free atoms
       • Cohesive energy for Vander-Waals solids
       • Bonding in Solids
         • Bondings are ionic,co-valent,metalic,Vander-Waals or else London,Hydrogen & etc.

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