'Energy gap' diaporamas de présentation

Outline

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Advanced Spectroscopy

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Alfred Werner - 1893 VBT Crystal Field Theory (CFT) Modified CFT, known as Ligand Field Theory MOT

Bonding in coordination compounds. Nobel prize 1913. Alfred Werner - 1893 VBT Crystal Field Theory (CFT) Modified CFT, known as Ligand Field Theory MOT . How & Why?. Valance Bond Theory. Basic Principle.

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What's left to understand about SRF?

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LECTURE 2

LECTURE 2. CONTENTS MAXWELL BOLTZMANN STATISTICS FERMI- DIRAC STATISTICS & ITS DISTRIBUTION SEMICONDUCTORS AND ITS CLASSIFICATION and FERMI ENERGY LEVEL DISTRIBUTION IN INTRINSIC SEMICONDUCTORS. Maxwell Boltzmann Statistics (Classical law)

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Gamma Decay

Gamma Decay. Readings: Modern Nuclear Chemistry, Chap. 9; Nuclear and Radiochemistry, Chapter 3 Energetics Decay Types Transition Probabilities Internal Conversion Angular Correlations Moessbauer spectroscopy Emission of photon during deexcitation of the nucleus Wide range of energies

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ELECTRONICS ENGINEERING

ELECTRONICS ENGINEERING. Before we start with Electronics Let us review the Basics of Electricity. Q. What are the two main quantities in electricity ?. CURRENT. VOLTAGE. What is Current?. What is Voltage?. What is a Voltage Source ?. A device that produces voltage output continuously.

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Superconductivity

Superconductivity. Characterized by - critical temperature T c - sudden loss of electrical resistance - expulsion of magnetic fields (Meissner Effect) Type I and II superconductivity (vortices) Above a critical magnetic field sc collapses (much larger for type II SC).

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Entanglement, correlation, and error-correction in the ground states of many-body systems

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Second superconducting energy gap of Nb 3 Sn observed by breakjunction point-contact spectroscopy

Second superconducting energy gap of Nb 3 Sn observed by breakjunction point-contact spectroscopy Handoko Shimizu Lab Physical Review B 82, 024507 (2010). Content. . Introduction -. Superconductivity -. Spectroscopy -. Sample structure . Motivation . Experiment

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Growth and study of quantum dots infrared photodetectors coupled with parabolic quantum wells

Growth and study of quantum dots infrared photodetectors coupled with parabolic quantum wells. Germano Maioli Penello. IR photodetectors. Astronomy; Gas detection; Military; Agriculture; Wireless comunication. Prediction of failures. Industry plants. Security. Health.

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Current and Current Density

Chapter 5. Current and Conductors. Current and Current Density. Electric charges in motion constitute a current . The unit of current is the ampere (A), defined as a rate of movement of charge passing a given reference point (or crossing a given reference plane).

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Atoms to Molecules

Atoms to Molecules. Single electron atom or ion (arbitrary Z ) orbitals known exactly. n. m l. solutions characterized by QNs: n, l, m l. l. R ( r n ) ?. Consider 1 s orbital:. single electron (neutral) atom is hydrogen, Z = 1. Electrons in Molecules.

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Particle in a “box” : Quantum Dots

The color of light emitted by a semiconductor material is determined by the width of the energy gap separating the conduction and valence energy bands.

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Magnetic Susceptibility Synthesis of Mn(acac) 3

Magnetic Susceptibility Synthesis of Mn(acac) 3. Synthesis 12. Reasons for Determining Number of Unpaired Electrons. Related to the oxidation state of the metal. Helpful in assigning geometry. Information provided about metal-metal bonding.

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CHEMISTRY 2000

CHEMISTRY 2000. Topics of Interest #4: Quantum Dots. Quantum Dots.

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Light Emitting Diode

Light Emitting Diode. By Rabail Faizan . What is a LED?.

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Pan, W., Tsui , D.C., Baldwin, K. W. West, W., Pfeiffer, L. N. , and Masuhara , N., Phys Rev. Lett . 106 , 206806 (

Effect of Disorder on Fractional Quantum Hall State Gregory S. Boebinger , Florida State University, DMR 0654118 High B/T Facility, University of Florida.

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Part 2: Indirect interactions

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