Výsledky vyhledávání - "Ashock Kumar"

Deposition of carbon nitride thin films by IR-laser-induced reactions in carbon-nitrogen gas-phase compounds

Autor: Rodica Alexandrescu, Silviu Cojocaru, A. Andrei, Ion Morjan, Raluca Cireasa, Ashock Kumar, Aurelian Crunteanu

Publikováno v: ROMOPTO '97: Fifth Conference on Optics.

Since the theoretical studies of Liu and Cohen who predicted the existence of a superhard phase of carbon nitride, a great deal of effort was underdone in order to synthesize this hypothetical material with a nitrogen content as high as the 57% prese

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1683e7db705885688d6d76a1c41e75f
https://doi.org/10.1117/12.312751

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Synthesis, characterization, and mechanical properties of carbides and nitrides films prepared by pulsed-laser-deposition method

Autor: Rodica Alexandrescu, H. L. Chan, Ashock Kumar

Publikováno v: ROMOPTO '97: Fifth Conference on Optics.

Carbides and nitrides of metal have a large number of applications in modern technology owing to their interesting, and in some ways unique, physical and chemical properties. Thin film coatings of titanium carbide and aluminum nitride were deposited

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37ab483816db54a523f99cc874768eab
https://doi.org/10.1117/12.312742

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Molecular Mechanisms Involved in Homing and Migration of Plasma Cells in Response to CXCR4 Stimulation and Downstream Activation of the PI3K Pathway

Autor: Patricia Bramati, Karen E. Hedin, Joanna M. Ghobrial, Thomas E. Witzig, Irene M. Ghobrial, Ashock Kumar, Michael Timm, Terry Kimlinger

Publikováno v: Blood. 104:2188-2188

Malignant plasma cells characteristically home to the bone marrow (BM). However, the mechanisms by which cells are recruited into and mobilized from the bone marrow into the peripheral blood (PB) are not well understood. In this study, we explore the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afaa74ba69bd36c4a9f654f8d1daba0a
https://doi.org/10.1182/blood.v104.11.2188.2188

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Molecular Mechanisms Involved in Homing and Migration of B-Chronic Lymphocytic Leukemia (CLL) in Response to CXCR4 Stimulation and Downstream Activation of the PI3K Pathway

Autor: Thomas E. Witzig, Michael Timm, Irene M. Ghobrial, Neil E. Kay, Karen E. Hedin, Patricia Bramati, Joanna M. Ghobrial, Ashock Kumar

Publikováno v: Blood. 104:1909-1909

Malignant B-cells characteristically home to the bone marrow and lymph nodes. However, the mechanisms by which cells are recruited into and mobilized from the bone marrow/lymph nodes into the peripheral blood are not well understood. Chemokines such

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3aa7fe366997585e902da56eef0be426
https://doi.org/10.1182/blood.v104.11.1909.1909

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On the Theory of Surface Charge Decay in Dielectrics

Autor: Ashock Kumar, Rabinder Nath

Publikováno v: Journal of the Physical Society of Japan. 51:208-212

An improved theory of the surface potential decay in trap free dielectrics is presented. The effect of relaxation time on surface charge decay characteristics (SCDC) is theoretically investigated. A condition for minimum surface potential required to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e368e6de145b8c5454768a70a19a9db7
https://doi.org/10.1143/jpsj.51.208

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Synthesis of crystalline structures of CNx thin films deposited on sapphire, quartz and alumina substrates

Autor: Rodica Alexandrescu, I. Morjan, Raluca Cireasa, Costel Sorin Cojocaru, Ashock Kumar, Aurelian Crunteanu, F. Vasiliu

Publikováno v: Scopus-Elsevier

Carbon nitride films raise current interest for their potential applications as ultrahard materials. We report on the formation of crystalline CN structures in films deposited at 248 nm on different substrates (sapphire, quartz, alumina) using the la

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::471663d4b9c106d945b8bba8c23598ee
http://www.scopus.com/inward/record.url?eid=2-s2.0-0032591044&partnerID=MN8TOARS