Lecture 1 - Introduction to Solid State Physics - University of Surrey

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Lattices & lattice translation vectors3 dimensional (3D) casea 1a 2r' r ua ua u21123a3a 3More generally, for n dimensions:r' rnu annAll possible combinations of u n define the latticeLattice translation vectors a n are primitive if there is no other cell ofvolume
Primitive cell & uniqueness (2D)a 1a 2a 1a 2 a 1 a2In 2D case primitive basis set whenA primitive cell contains 1 lattice point!a1 a2is minimisedA primitive cell can be defined in more than one waySolid State Physics - Lecture 1
Page 1 and 2: Solid State PhysicsProfessor Stephe
Page 3 and 4: Solid-State Physics• Solid-state
Page 5 and 6: Course Aims• Learn about basic co
Page 7 and 8: Progress1cm30nmFirst transistor (19
Page 9 and 10: What is a Solid?Could be a bulk com
Page 11: Lattices & lattice translation vect
Page 15 and 16: Wigner-Seitz Primitive Cell (2D)Def
Page 17 and 18: Wigner-Seitz Primitive Cell (2D)Def
Page 19 and 20: Wigner and SeitzEugene Wigner (1902
Page 21 and 22: Crystal structure = lattice + basis
Page 23 and 24: Bravais lattices• There are 14 po
Page 25 and 26: Cubic systems - unit cellsSimple cu
Page 27 and 28: Examples - simple cubic (sc)The sim
Page 29 and 30: Examples - face-centred cubicQ. Cop
Page 31 and 32: Packing factorssc (52%) bcc (68%) f
Page 33 and 34: Crystal basis with >1 atomBasis can

Lecture 1 - Introduction to Solid State Physics - University of Surrey

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