| Records |
| Author |
O'Neal, Claire |
| Title |
A project guide to rocks and minerals |
Type |
Book Whole |
| Year |
2010 |
Publication  |
Mitchell Lane Publishers |
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Issue |
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Pages |
1-47 |
| Keywords |
children |
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no |
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Serial |
1147 |
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| Author |
Diana Prado Lopes Aude |
| Title |
Modeling superconductors using surface impedance technique |
Type |
Book Whole |
| Year |
2010 |
Publication |
MIT |
Abbreviated Journal |
MIT |
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Issue |
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Pages |
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| Keywords |
homogeneous isotropic BCS superconductor complex conductivity superconductor surface impedance |
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Approved |
no |
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Serial |
938 |
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| Author |
Smirnov, K. V.; Vakhtomin, Yu. B.; Divochiy, A. V.; Ozhegov, R. V.; Pentin, I. V.; Gol'tsman, G. N. |
| Title |
Infrared and terahertz detectors on basis of superconducting nanostructures |
Type |
Conference Article |
| Year |
2010 |
Publication |
Microwave and Telecom. Technol. (CriMiCo), 20th Int. Crimean Conf. |
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Issue |
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Pages |
823-824 |
| Keywords |
SSPD, SNSPD, HEB |
| Abstract |
Results of development of single-photon receiving systems of visible, infrared and terahertz range based on thin-film superconducting nanostructures are presented. The receiving systems are produced on the basis of superconducting nanostructures, which function by means of hot-electron phenomena. |
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IEEE |
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RPLAB @ sasha @ smirnov2010infrared |
Serial |
1025 |
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| Author |
Jang, Young Rae; Yoo, Keon-Ho; Park, Seung Min |
| Title |
Rapid thermal annealing of ZnO thin films grown at room temperature |
Type |
Journal Article |
| Year |
2010 |
Publication |
J. Vac. Sci. Technol. A |
Abbreviated Journal |
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| Volume |
28 |
Issue |
2 |
Pages |
4 |
| Keywords |
Annealing |
| Abstract |
The authors successfully obtained high quality ZnO thin films by growing them at room temperature (RT) and postannealing by rapid thermal annealing (RTA). The thin films were grown by pulsed laser deposition on Si (100) substrates at RT, and RTA was performed under various temperatures and ambient conditions. Based on the UV emission to visible emission ratio in RT photoluminescence (PL) spectra, the optimum film was obtained at annealing temperature ~700 °C in an ambient of Ar, N2, or O2 at 0.1 Torr, while the optimum annealing temperature was above 1100 °C in the air ambient at atmospheric pressure. The morphology and structure of the films in different RTA conditions were investigated by using field emission scanning electron microscopy and grazing incidence x-ray diffraction, and were discussed in conjunction with the PL data. |
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Annealing |
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no |
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RPLAB @ gujma @ |
Serial |
692 |
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| Author |
Annunziata, Anthony J.; Quaranta, Orlando; Santavicca, Daniel F.; Casaburi, Alessandro; Frunzio, Luigi; Ejrnaes, Mikkel; Rooks, Michael J.; Cristiano, Roberto; Pagano, Sergio; Frydman, Aviad; Prober, Daniel E. |
| Title |
Reset dynamics and latching in niobium superconducting nanowire single-photon detectors |
Type |
Journal Article |
| Year |
2010 |
Publication |
J. Appl. Phys. |
Abbreviated Journal |
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| Volume |
108 |
Issue |
8 |
Pages |
7 |
| Keywords |
SNSPD |
| Abstract |
We study the reset dynamics of niobium (Nb) superconducting nanowire single-photon detectors (SNSPDs) using experimental measurements and numerical simulations. The numerical simulations of the detection dynamics agree well with experimental measurements, using independently determined parameters in the simulations. We find that if the photon-induced hotspot cools too slowly, the device will latch into a dc resistive state. To avoid latching, the time for the hotspot to cool must be short compared to the inductive time constant that governs the resetting of the current in the device after hotspot formation. From simulations of the energy relaxation process, we find that the hotspot cooling time is determined primarily by the temperature-dependent electron-phonon inelastic time. Latching prevents reset and precludes subsequent photon detection. Fast resetting to the superconducting state is, therefore, essential, and we demonstrate experimentally how this is achieved. We compare our results to studies of reset and latching in niobium nitride SNSPDs. |
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no |
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RPLAB @ gujma @ |
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649 |
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