'Energy band' presentation slideshows

VI. Electrons in a Periodic Potential

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606 views • 45 slides

Instructor: Dr. Marinella Sandros

Nanochemistry NAN 601. Instructor: Dr. Marinella Sandros. Quantum Dots. Nano Terms. Nano Terms. Building Blocks of Nanomaterials. Polymers, either in solution for coating thin films or as particles for construction Metal nanoparticles and nanowires

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Numerical study on efficiency droop of blue InGaN light-emitting diodes

Numerical study on efficiency droop of blue InGaN light-emitting diodes. Yen-Kuang Kuo*, Jih-Yuan Chang, and Jen-De Chen Department of Physics, National Changhua University of Education, Changhua 500, Taiwan *E-mail: ykuo@cc.ncue.edu.tw. Outline. Introduction

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Searching Potential X-Ray Counterparts of GeV Sources J1837-0610

Searching Potential X-Ray Counterparts of GeV Sources J1837-0610. ??? Lu Ting-Ni 2006.11.21. Outline. Introduction - Science purpose - GeV J1837-0610 Data - download data - data reduction - analysis Results Conclusion Reference. Introduction. Science purpose

459 views • 35 slides

Computational Solid State Physics ???????????

Computational Solid State Physics ???????????. 4. Electronic structure of crystals. Single electron Schroedinger equation. m : electron mass V(r) : potential energy h : Planck constant. Expansion by base functions ? n. : overlap integral. :algebraic equation.

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Effects of Interaction and Disorder in Quantum Hall region of Dirac Fermions in 2D Graphene

Effects of Interaction and Disorder in Quantum Hall region of Dirac Fermions in 2D Graphene. Donna Sheng (CSUN) In collaboration with: Hao Wang (CSUN), L. Sheng (UH), Z.Y. Weng (Tsinghua) F. D. M. Haldane (Princeton) and L. Balents (UCSB) Supported by DOE and NSF.

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Contratto ASI/Luna

Contratto ASI/Luna. Astrofisica delle Alte Energie. The observation and study of the Universe requires coordinated, if possible, contemporary observations in different windows of the Electromagnetic Spectrum.

385 views • 29 slides

Ferrofluids

Ferrofluids. Overview. Definitions Engineering Applications. Definition.

2.42k views • 28 slides

ECE 431 Digital Circuit Design Chapter 3 MOS Transistor (MOSFET)

ECE 431 Digital Circuit Design Chapter 3 MOS Transistor (MOSFET). (slides 2: key Notes) Lecture given by Qiliang Li. Introduction. Metal Oxide Semiconductor Field Effect Transistor (MOSFET) is the fundamental building block for modern digital integrated circuit and analog circuit.

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6.1 Transistor Operation 6.2 The Junction FET 6.3 The Metal-Semiconductor FET

6.1 Transistor Operation 6.2 The Junction FET 6.3 The Metal-Semiconductor FET 6.4 The Metal-Insulator-Semiconductor FET 6.5 The MOS Field-Effect Transistor. The channel current is controlled by a voltage applied at a gate electrode that is isolated from the channel by an insulator.

539 views • 24 slides

Metal-Semiconductor Interfaces

Metal-Semiconductor Interfaces. Metal-Semiconductor contact Schottky Barrier/Diode Ohmic Contacts MESFET. Device Building Blocks. Schottky (MS). p-n junction. HBT. MOS. Energy band diagram of an isolated metal adjacent to an isolated n-type semiconductor.

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Lecture 2

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Analysis of NuSTAR Bkg

Analysis of NuSTAR Bkg. Fabio Gastaldello & Silvano Molendi (IASF-Milano/INAF). Goal. Provide description of recent findings following 2 week stay at Caltech. Data. Blank fields from COSMOS and ECDFS NuSTAR surveys 64 COSMOS fields 16 ECDFS fields.

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Astrometry and EPIC flux cross-calibration in 2XMMp/2XMM

Astrometry and EPIC flux cross-calibration in 2XMMp/2XMM. Silvia Mateos R. Saxton, S. Sembay and the XMM-Newton Survey Science Centre. SDSS-DR5 spectroscopic BLAGN sample (~600 objects). 2XMMp astrometry. syserr=0.3. blue & stellar f x /f opt > -1.

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Photovoltaic Cells

Photovoltaic Cells. Paula Warren. What is a photovoltaic cell?.

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Chapter 14-1. Metal-semiconductor (MS) junctions

Chapter 14-1. Metal-semiconductor (MS) junctions. Many of the properties of pn junctions can be realized by forming an appropriate metal-semiconductor rectifying contact (Schottky contact) Simple to fabricate Switching speed is much higher than that of p-n junction diodes

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Heterojunctions

Heterojunctions. Two different semiconductor materials that have different energy band gapes are used to form a junction Will introduce a discontinuity at the junction interface Lattice match is important because any lattice mismatch can introduce dislocations resulting in interface states

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6.772/SMA5111 - Compound Semiconductors Lecture 3 - Simple Heterostructures - Outline

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X-ray astronomy 7-11 September 2009, Bologna, Italy

XMM-Newton slew survey hard band sources. ESAC. R.D. Saxton a , A.M. Read b , R.S. Warwick b , M.P. Esquej b a European Space Agency (ESA), European Space Astronomy Centre (ESAC), Apartado 78, 28691 Madrid, Spain

99 views • 1 slides