'Carrier density' diaporamas de présentation

1.88k views • 83 slides

Introduction to Silicon Detectors

Introduction to Silicon Detectors. G.Villani STFC Rutherford Appleton Laboratory Particle Physics Department. Outlook. Introduction to physics of Si and detection Si electronic properties, transport mechanisms, detection Examples of detectors Strips, CMOS,CCD,MOS Radiation damage

627 views • 42 slides

Study on the Diluted Magnetic Semiconductors

Study on the Diluted Magnetic Semiconductors. Nammee Kim QSRC, Dongguk University. Current Research Topics Magnetic Quantum Structures (Dot, Ring) D iluted M agnetic S emiconductors ( DMS ) F erro- E lectric S emiconductors ( FES ). Contents 1. Motivation 2. Review on DMS

1.14k views • 41 slides

Modelling of active photonic integrated circuits using PicWave

Modelling of active photonic integrated circuits using PicWave. Dominic F.G. Gallagher. Outline. Requirements for a PIC simulator Dividing the problem Modelling passive components using EME The circuit simulator Examples. PIC Elements. passive elements. Fibre I/O. SOA / EAM. TFF.

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nanoMOS 4.0: A Tool to Explore Ultimate Si Transistors and Beyond

nanoMOS 4.0: A Tool to Explore Ultimate Si Transistors and Beyond. Xufeng Wang School of Electrical and Computer Engineering Purdue University West Lafayette, IN 47906. Outline. Why nanoMOS simulator? Device geometries in nanoMOS. nanoMOS development history and my involvement

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Solar Energy-driven Photoelectrochemical Conversion Using Earth-Abundant Materials Gengfeng Zheng

TeraWatts, TeraGrams, TeraLiters Workshop on Challenges and Opportunities for Sustainable Production of Chemicals and Fuels beyond the Shale Gale. Solar Energy-driven Photoelectrochemical Conversion Using Earth-Abundant Materials Gengfeng Zheng Fudan University 2015-02-02, UCSB.

335 views • 33 slides

Solar Energy-driven Photoelectrochemical Conversion Using Earth-Abundant Materials Gengfeng Zheng

TeraWatts, TeraGrams, TeraLiters Workshop on Challenges and Opportunities for Sustainable Production of Chemicals and Fuels beyond the Shale Gale. Solar Energy-driven Photoelectrochemical Conversion Using Earth-Abundant Materials Gengfeng Zheng Fudan University 2015-02-02, UCSB.

357 views • 33 slides

Introduction and application. Dopant solid solubility and sheet resistance. Microscopic view point: diffusion equations.

Chapter 7 Dopant Diffusion. Introduction and application. Dopant solid solubility and sheet resistance. Microscopic view point: diffusion equations. Physical basis for diffusion. Non-ideal and extrinsic diffusion. Dopant segregation and effect of oxidation.

828 views • 32 slides

Introduction Electronic properties of few-layer graphites with AB stacking

Low energy electronic properties of few-layer graphites. Introduction Electronic properties of few-layer graphites with AB stacking Electronic properties of few-layer graphites with AA and ABC stackings Effects of electric field on optical properties of few-layer graphites with AB stacking

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The Hall Effect & General Classification of Solids (Chap 6.1 ~ 6.2)

Yoon kichul Department of Mechanical Engineering Seoul National University. The Hall Effect & General Classification of Solids (Chap 6.1 ~ 6.2). Multi-scale Heat Conduction. Contents. 1. Overview of Chap. 6. 2. The Hall Effect. 1) What is the Hall Effect?.

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Lifetimes and diffusion lengths

Lifetimes and diffusion lengths. A study in semiconductor physics. Ashley Finger and Dr. Tim Gfroerer Davidson College. Introduction. Properties and behavior of semiconductors. What are semiconductors?.

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Semiconductor Polaritons (Inherently Infrared)

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8. Optical Modulation

8. Optical Modulation. Modulation Techniques. Direct modulation of laser diode Vary the current supply to the laser diode Directly modulates the output power of the laser External modulation Change the transmission characteristics Change the power of a continuous wave laser.

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??? 2011.Dec.04

??? 2011.Dec.04. Experiment. Hall-bar geometry was fabricated using oxygen plasma. Electrodes were made of Ti/Pd/Au . Gate length 2 to 4 ? m, Hall-bar width from 0.5 to 4 ? m.

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Determining Carrier Density through Measuring Resistivity

Determining Carrier Density through Measuring Resistivity. Kathleen Broughton Ernesto Indacochea Klaus Attenhofer Photocathodes Group. Resistivity Measurement. Measurement of how strongly a material resists electrical flow High Resistivity (R ? 1 G ? ); Low Resistivity ( R < 1 G ? )

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Solar Cell Operation

280 views • 9 slides

Conclusion

Conclusion.

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Towards Utilizing Spontaneous Coherence in Bilayer Graphene for Ultra-Low Power Switches

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