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Quantum dots

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Published by Springer in Berlin, New York .
Written in English

Subjects:

  • Semiconductors.,
  • Quantum electronics.,
  • Quantum dots.

Book details:

Edition Notes

Includes bibliographical references (p. [165]-171) and index.

StatementLucjan Jacak, Pawel Hawrylak, Arkadiusz Wójs.
ContributionsHawrylak, Pawel., Wójs, Arkadiusz, 1971-
Classifications
LC ClassificationsQC611 .J215 1998
The Physical Object
Paginationviii, 176 p. :
Number of Pages176
ID Numbers
Open LibraryOL685798M
ISBN 103540636536
LC Control Number97032688

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  Description This book deals with the electronic and optical properties of two low-dimensional systems: quantum dots and quantum antidots and is divided into two parts. Part one is a self-contained monograph which describes in detail the theoretical and experimental background for exploration of electronic states of the quantum-confined Edition: 1. Quantum Dots: Biological Applications is the first book published on the subject, and it emphasizes a variety of methods that were developed using commercially available materials.   This book surveys this progress in the physics, optical spectroscopy and application-oriented research of semiconductor quantum dots. It focuses especially on excitons, multi-excitons, their dynamical relaxation behaviour and their interactions with the surroundings of a semiconductor quantum : Hardcover. The book Quantum Dots - Theory and Applications collects some new research results in the area of fundamental excitations, decoherence, charge states, epitaxial techniques and photoluminescence experiments related to devices made with quantum dots. This book is divided in two sections. First section includes the fundamental theories on excitons, trions, phase decoherence, and charge states, and the second section includes several applications of quantum by: 3.

Nanocrystal Quantum Dots. Second Edition. The book also covers synthesis and assembly, spectroscopy of inter- and intraband optical transitions, single-nanocrystal optical and tunneling spectroscopy, transport properties, and nanocrystal applications in photovoltaics, light emitting technologies, lasing, bioimaging, and biosensing.". Quantum Dots in High Electric Fields: Field and Photofield Emission from Ge Nanoclusters on Si() Pages Dadykin, A. A. (et al.). Quantum Dots: Theory, Application, Synthesis 2 therefore investigate the behavior of semiconductor crys-tals below this size. In general, the Hamiltonian of an electron-hole pair in a large semiconductor is given as H= h 2 2m h r2 h h2 2m e r2 e e jr e r hj (3) where is the dielectric constant. The rst two termsFile Size: KB. Quantum dots 2 Quantum dot (QD) is a conducting island of a size comparable to the Fermi wavelength in all spatial directions. Often called the artificial atoms, however the size is much bigger ( nm for QDs versus nm for atoms). In atoms the attractive forces are exerted by the nuclei, while in QDs – by background Size: 1MB.

Quantum dots are semiconductor nanoparticles that glow a particular color after being illuminated by light. The color they glow depends on the size of the nanoparticle. When the quantum dots are illuminated by UV light, some of the electrons receive enough energy to break free from the atoms. quantum dot size, shape, and material composition. The method is based on the single sub-band approach with the energy dependent electron effective mass (Eq. (2)). In this approach, the confined states of carriers are formed by the band gap offset by: 3.   Quantum dots behave in a peculiar manner- although they contain between as little as to , atoms, they exhibit properties as though they were comprised of a single atom. However, they do conform to the properties of a fluorophore whereby they can absorb light energy, become excited and release photons of light when returning to ground.   Quantum dots do the same trick—they also have quantized energy levels—but dots made from the same material (say, silicon) will give out different colors of light depending on how big they are. The biggest quantum dots produce the longest wavelengths (and lowest frequencies), while the smallest dots make shorter wavelengths (and higher.