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Affichage de 9311 à 9320 sur 16106

Article dans une revue

Epitaxial GaAs for X-ray imaging

G. C. Sun, R. Rao, S. Makham, J. C. Bourgoin, X. Y. Zhang, R. Gohier, F. Masiello, J. Haertwig, J. Baruchel, C. Ponchut, Andrea Balocchi, Xavier Marie, O. Gilard, Isabelle Roch-Jeune, J. C. Pesant

To be used for X-ray imaging, semiconductor materials must exhibit good and uniform electronic properties. Epitaxial layers are therefore better adapted than bulk materials which contain dislocations, precipitates and point defects in variable concentrations depending on the growth mode and the…

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2011, 633 (1), pp.S65-S68. ⟨10.1016/j.nima.2010.06.123⟩. ⟨hal-01233828⟩

Article dans une revue

Tunability of aluminum nitride acoustic resonators: a phenomenological approach

Emmanuel Defay, Nizar Ben Hassine, Patrick Emery, Guy Parat, Julie Abergel, Arnaud Devos

A phenomenological approach is developed to identify the physical parameters causing the dc-voltage-induced tunability of aluminum nitride (AlN) acoustic resonators, widely used for RF filters. The typical resonance frequency of these resonators varies from 2.038 GHz at -200 V to 2.062 GHz at +200…

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2011, 58, pp.2516-2520. ⟨10.1109/TUFFC.2011.2114⟩. ⟨hal-00783414⟩

Article dans une revue

Atomic scale investigation of silicon nanowires and nanoclusters

Manuel Roussel, W.H. Chen, Etienne Talbot, Rodrigue Lardé, E. Cadel, F. Gourbilleau, B. Grandidier, D. Stievenard, Philippe Pareige

In this study, we have performed nanoscale characterization of Si-clusters and Si-nanowires with a laser-assisted tomographic atom probe. Intrinsic and p-type silicon nanowires (SiNWs) are elaborated by chemical vapor deposition method using gold as catalyst, silane as silicon precursor, and…

Nanoscale Research Letters, 2011, 6, pp.271-1-6. ⟨10.1186/1556-276X-6-271⟩. ⟨hal-00597078⟩

Article dans une revue

Microwave properties of Bi1.5Zn1.0Nb1.5O7/Ba0.6Sr0.4TiO3 hetero layered films directly sputtered on Si up to 50 GHz

L.H. Yang, G.S. Wang, X.L. Dong, Freddy Ponchel, Denis Remiens

Journal of the American Ceramic Society, 2011, 94, pp.2262-2265. ⟨10.1111/j.1551-2916.2011.04610.x⟩. ⟨hal-00639934⟩

Communication dans un congrès

Voltage controllable metamaterials infiltrated by liquid crystal

F. Zhang, Q. Zhao, J.B. Sun, Eric Lheurette, J. Zhou, D. Lippens

5th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, Metamaterials'2011, 2011, Barcelona, Spain. pp.331-333. ⟨hal-00799989⟩