Výsledky vyhledávání - "Zachary C. Sobell"

Effects of Dodecaboride-Forming Metals on the Properties of Superhard Tungsten Tetraboride

Autor: Inwhan Roh, Georgiy Akopov, Hang Yin, Richard B. Kaner, Zachary C. Sobell, Wai H. Mak, Michael T. Yeung, Saeed I. Khan

Publikováno v: Chemistry of Materials. 30:3559-3570

Tungsten tetraboride alloys with Y, Sc, Gd, Tb, Dy, Ho, and Er were prepared by arc-melting and investigated for their thermal stability and mechanical properties. The phase composition and purity were confirmed by powder X-ray diffraction (PXRD) and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::44861a0b7369a6ea9707ebece7245db3
https://doi.org/10.1021/acs.chemmater.8b01464

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Investigation of ternary metal dodecaborides (M1M2M3)B12(M1, M2and M3= Zr, Y, Hf and Gd)

Autor: Inwhan Roh, Georgiy Akopov, Richard B. Kaner, Zachary C. Sobell, Michael T. Yeung

Publikováno v: Dalton Transactions. 47:6683-6691

Samples of metal borides with a nominal composition of ((M1)(1−x−z)(M2)(x)(M3)(z)) : 20B (M1, M2 and M3 = Zr, Y, Hf and Gd) were prepared by arc-melting and studied for phase composition (using powder X-ray diffraction (PXRD) and energy dispersiv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::546ecee4dc0006a8446f2b41ed525275
https://doi.org/10.1039/c8dt00563j

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Hollow cathode plasma electron source for low temperature deposition of cobalt films by electron-enhanced atomic layer deposition

Autor: Andrew S. Cavanagh, Steven M. George, Zachary C. Sobell, David R. Boris, Scott G. Walton

Publikováno v: Journal of Vacuum Science & Technology A. 39:042403

The development of a hollow cathode plasma electron source (HC-PES) facilitated the rapid nucleation and low temperature deposition of thin cobalt films using electron-enhanced atomic layer deposition (EE-ALD). The Co EE-ALD was performed near room t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9f3d6a6ba06624401b1412d51021e1c6
https://doi.org/10.1116/6.0001033

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Stabilization of LnB12 (Ln = Gd, Sm, Nd, and Pr) in Zr1–xLnxB12 under Ambient Pressure

Autor: Richard B. Kaner, Zachary C. Sobell, Georgiy Akopov, Michael T. Yeung

Publikováno v: Inorganic Chemistry. 55:12419-12426

We report ambient pressure stabilization of a previously synthesized high-pressure (6.5 GPa) phase, GdB12, in a Zr1–xGdxB12 solid solution (with ∼54 at. % Gd solubility, as determined by both powder X-ray diffraction and energy-dispersive spectro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e0c8b56a3183c11310e46f560084a6b
https://doi.org/10.1021/acs.inorgchem.6b02311

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Superhard Mixed Transition Metal Dodecaborides

Autor: Cheng-Wei Lin, Richard B. Kaner, Michael T. Yeung, Christopher L. Turner, Zachary C. Sobell, Georgiy Akopov

Publikováno v: Chemistry of Materials. 28:6605-6612

Solid solutions of mixed metal dodecaborides of ZrB12, YB12, and ScB12 were prepared by arc-melting and studied for their mechanical properties. Zr1–xYxB12 formed an essentially perfect solid solution, closely following Vegard’s law. Zr1–xScxB1

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::141511b844a83b7b24bc5147390f0548
https://doi.org/10.1021/acs.chemmater.6b02632

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Growth of cobalt films at room temperature using sequential exposures of cobalt tricarbonyl nitrosyl and low energy electrons

Autor: Andrew S. Cavanagh, Steven M. George, Zachary C. Sobell

Publikováno v: Journal of Vacuum Science & Technology A. 37:060906

Cobalt thin films were grown at room temperature using sequential exposures of cobalt tricarbonyl nitrosyl (CTN, Co(CO)3NO) and low energy (75–175 eV) electrons. During this cyclic growth process, the CTN molecules were first adsorbed on the substr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86fcae5e63688e1062f9ec3e439f21db
https://doi.org/10.1116/1.5113711

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Investigation of ternary metal dodecaborides (M

Autor: Georgiy, Akopov, Inwhan, Roh, Zachary C, Sobell, Michael T, Yeung, Richard B, Kaner

Publikováno v: Dalton transactions (Cambridge, England : 2003). 47(19)

Samples of metal borides with a nominal composition of ((M1)(1-x-z)(M2)(x)(M3)(z)) : 20B (M1, M2 and M3 = Zr, Y, Hf and Gd) were prepared by arc-melting and studied for phase composition (using powder X-ray diffraction (PXRD) and energy dispersive X-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::adbf7144acf9e2e081a20cb111eff973
https://pubmed.ncbi.nlm.nih.gov/29666867

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Effects of Variable Boron Concentration on the Properties of Superhard Tungsten Tetraboride

Autor: Christopher L. Turner, Georgiy Akopov, Inwhan Roh, Michael T. Yeung, Zachary C. Sobell, Lisa E. Pangilinan, Richard B. Kaner

Publikováno v: Journal of the American Chemical Society. 139(47)

Tungsten tetraboride is an inexpensive, superhard material easily prepared at ambient pressure. Unfortunately, there are relatively few compounds in existence that crystallize in the same structure as tungsten tetraboride. Furthermore, the lack of da

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9306714098b3b317444d9d9fd0b6fde4
https://pubmed.ncbi.nlm.nih.gov/29140089

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