'Brillouin zone' presentation slideshows

Resumo aula passada

966 views • 77 slides

The design and modeling of microstructured optical fiber

1.04k views • 77 slides

The chemical bonds between atoms are not rigid :

Act like spring Vibration. Phonon Dispersion and Scattering. The 1-D Diatomic Chain. The chemical bonds between atoms are not rigid :. Quanta of lattice vibration are called phonons. Lattice vibrations are responsible for transport of energy in many solids. Spring-mass model.

1.03k views • 63 slides

Quantum Confinement

2.66k views • 57 slides

Chapter 14 Graphene-based Transistor

Chapter 14 Graphene-based Transistor. 14.1 Band structure of graphene 14.2 Doped graphene 14.3 Processing and performances of graphene-based transistor. 14.1 Band structure of graphene [14-1]. a 1. a 0. a 2. y. x. 2dsin ? =n ?.

879 views • 48 slides

Energy Bands in Solids: Part II

Energy Bands in Solids: Part II. Physics 355. Nomenclature. For most purposes, it is sufficient to know the E n ( k) curves - the dispersion relations - along the major directions of the reciprocal lattice.

701 views • 39 slides

489 views • 38 slides

[0 1 0]

513 views • 26 slides

Department of Electronics

Introductory Nanotechnology ~ Basic Condensed Matter Physics ~. Atsufumi Hirohata. Department of Electronics. Quick Review over the Last Lecture. 3 states of matters :. solid. gas. liquid. ( small ). ( large ). ( large ). density. ( long ). ( short ).

483 views • 26 slides

Lattice Dynamics

Lattice Dynamics. Thermal Expansion. As temperature changes, density changes Thermodynamics Relates this change to changes in other properties Cannot tell the magnitude or even the sign! Why positive alpha? What value vs. P,T,X? Macroscopic to Microscopic

235 views • 21 slides

Berry phase effects on electronic properties

397 views • 18 slides

Quantum Confinement BW, Chs. 15-18, YC, Ch. 9; S, Ch. 14; outside sources

Quantum Confinement BW, Chs. 15-18, YC, Ch. 9; S, Ch. 14; outside sources. Overview of Quantum Confinement. History : In 1970 Esaki & Tsu proposed fabrication of an artificial structure, which would consist of alternating layers of 2 different semiconductors with Layer Thickness

348 views • 18 slides

Quantum Confinement BW, Chs. 15-18, YC, Ch. 9; S, Ch. 14; outside sources

Quantum Confinement BW, Chs. 15-18, YC, Ch. 9; S, Ch. 14; outside sources. Overview of Quantum Confinement. History : In 1970 Esaki & Tsu proposed fabrication of an artificial structure, which would consist of alternating layers of 2 different semiconductors with Layer Thickness

184 views • 18 slides

Bloch Oscillations

Bloch Oscillations. Alan Wu April 14, 2009 Physics 138. Outline. Phenomenon Description Semi-Classical Derivation Wannier-Stark States Implications and Applications Terahertz Oscillations Bloch Oscillation Transistors. Bloch Oscillation Phenomenon. Described by Bloch (1928)

1.25k views • 16 slides

Prof. Ming-Jer Chen Department of Electronics Engineering National Chiao-Tung University

IEE5501 Solid State Physics. Lecture 8a: Bloch Electrons in a Brillouin Zone. Prof. Ming-Jer Chen Department of Electronics Engineering National Chiao-Tung University 04/02/2014. Felix Bloch (awarded the 1952 Nobel Prize in Physics).

291 views • 13 slides

X-ray photoemission spectroscopy study on III-Nitride films

X-ray photoemission spectroscopy study on III-Nitride films. Bo Chen Department of Physics Boston University April 29, 2009. Outline. III-Nitride films (optoelectronic materials, their electronic structure not fully measured) Synchrotron-radiation based spectroscopies

300 views • 11 slides

Brillouin Zones

Brillouin Zones. The Wigner-Seitz cell of the reciprocal lattice is called first Brillouin Zone. Brillouin Zones. 1 st SC. Brillouin Zones. 2 nd SC. Brillouin Zones. 3 rd SC. Brillouin Zones. 1 st bcc. Brillouin Zones. 2 nd bcc. Brillouin Zones. 3 rd bcc. Brillouin Zones.

1.85k views • 10 slides