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An in situ study of deformation, fracture, and fatigue behavior of silicon as a lithium-ion battery electrode material is presented. Thin films (100-200 nm) of silicon are cycled in a half-cell configuration with lithium metal foil as…

Thick, high quality 4H-SiC epilayers have been grown in a vertical hot-wall chemical vapor deposition system at a high growth rate on (0001) 80 off-axis substrates. We discuss the use of dichlorosilane as the Si-precursor for 4H-SiC…

We report a novel method of growing strongly-disordered superconducting titanium nitride (TiN) thin films by reactive electron-beam deposition. The normal state sheet resistance and superconducting critical temperature (Tc) can be tuned by…

Superconductivity · Physics 2022-01-05 Raymond Mencia , Yen-Hsiang Lin , Vladimir Manucharyan

This paper addresses the effect of disorder on the carrier transport mechanism of atomic layer deposited ZnO thin films as has been investigated by temperature dependent electrical resistivity measurements in the temperature range of 4.2K…

Materials Science · Physics 2013-01-08 D. Saha , Amit. K. Das , R. S. Ajimsha , P. Misra , L. M. Kukreja

The crystallinity of $\beta$-Ga$_2$O$_3$ thin films grown by metal-organic chemical vapor deposition (MOCVD) is strongly influenced by reactor design and the resulting growth environment. In this work, we investigate the role of reactor…

Materials Science · Physics 2026-02-06 Imteaz Rahaman , Botong Li , Bobby G. Duersch , Hunter D. Ellis , Kathy Anderson , Kai Fu

This paper reports on the epitaxial growth of hexagonal boron nitride (hBN) films on sapphire substrates in a cold wall chemical vapor deposition (CVD) system where different sapphire nitridation and hBN growth temperatures were employed. A…

Materials Science · Physics 2016-09-06 Kawser Ahmed , Rajendra Dahal , Adam Weltz , James J. -Q. Lu , Yaron Danon , Ishwara B. Bhat

We investigated structure and morphology of PTFE layers deposited by vacuum process in dependence on deposition parameters: deposition rate, deposition temperature, electron activation energy and activation current. Pentacene (PnC) layers…

Materials Science · Physics 2007-05-23 M. Prelipceanu , O. S. Prelipceanu , O. G. Tudose , K. Grytsenko , S. Schrader

We study the chemical ordering in Bi$_2$Te$_{3-x}$Se$_x$ grown by molecular beam epitaxy on Si substrates. We produce films in the full composition range from x = 0 to 3, and determine their material properties using energy dispersive X-ray…

The structure, morphology, and electrical properties of epitaxial a-axis oriented thin films of Nd(0.2)Sr(0.8)MnO(3) are reported for thicknesses 10 nm <= t <= 150 nm. Films were grown with both tensile and compressive strain on various…

Strongly Correlated Electrons · Physics 2015-05-14 K. P. Neupane , J. J. Neumeier , J. L. Cohn

Self assembly on suitably chosen substrates is a well exploited root to control the structure and morphology, hence magnetization, of metal films. In particular, the Cu3Au(001) surface has been recently singled out as a good template to…

Materials Science · Physics 2009-11-07 A. Verdini , L. Floreano , F. Bruno , D. Cvetko , A. Morgante , F. Bisio , S. Terreni , M. Canepa

The paper discusses the features of supercooled water thin film of width $d=3.97$~nm contained by the perfect graphene layers and crystallizing under external stationary electric field. It was found that the electric field applied…

Materials Science · Physics 2020-05-22 R. M. Khusnutdinoff , A. V. Mokshin

Temperature dependent structural phase transitions of SrRuO3 thin films epitaxially grown on SrTiO3(001) single crystal substrates have been studied using high-resolution x-ray diffraction. In contrast to bulk SrRuO3, coherently strained…

Materials Science · Physics 2009-11-13 Arturas Vailionis , Wolter Siemons , Gertjan Koster

Metal-organic framework (MOF) thin-films show unmatched promise as smart membranes and photo-catalytic coatings. However, their nucleation and growth resulting from intricate molecular assembly processes are not well understood, yet crucial…

We have studied the dark conductivity of a broad microstructural range of plasma deposited single phase undoped microcrystalline silicon films in a wide temperature range (15 - 450K) to identify the possible transport mechanisms and the…

Materials Science · Physics 2009-11-13 Sanjay K. Ram , Satyendra Kumar , P. Roca i Cabarrocas

We report the molecular beam epitaxy of Bi_1-xSb_x thin films ($0 \leq x \leq 1$) on (0001) sapphire substrates using a thin (Bi,Sb)$_2$Te$_3$ buffer layer. Characterization of the films using reflection high energy diffraction, x-ray…

Hypothesis: New dynamic phenomena can be observed in evaporating free liquid films from colloidal solutions with bimodal particle size distribution. Such distributions are formed in a natural way in mixed (slightly turbid) solutions of…

Soft Condensed Matter · Physics 2020-05-21 E. S. Basheva , P. A. Kralchevsky , K. D. Danov , R. D. Stanimirova , N. Shaw , J. T. Petkov

The formation of pyramid-like structures in thin-film growth on substrates with a quadratic symmetry, e.g., {001} surfaces, is shown to exhibit anisotropic scaling as there exist two length scales with different time dependences. Analytical…

Statistical Mechanics · Physics 2009-10-31 Martin Siegert

Thick (~50 nm) films of Hf were evaporated onto bare and oxidized Si(001) samples, and thin (~monolayer) films of Hf were evaporated onto clean Si(001)-(2x1) surfaces. Upon annealing to 1000$^/circ$C, films of HfSi2 were formed after…

Materials Science · Physics 2007-05-23 H. T. Johnson-Steigelman , A. V. Brinck , P. F. Lyman

The stationary thermal state and propagation of a normal zone in a long superconducting film on a wide substrate are analyzed analytically. Expressions describing voltage-current characteristics and temperature-current dependence of the…

Superconductivity · Physics 2015-06-25 V. Sokolovsky , V. Meerovich

We studied the growth and ordering of a Pb layer deposited on Cu(001) at 150 K. Contrary to the case of adsorption of Pb at room temperature, islands readily form. These islands order in a high-order commensurate structure of symmetry (…

Condensed Matter · Physics 2007-05-23 Wei Li , Gianfranco Vidali
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