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We present a comprehensive study on the formation of micrometer-sized, textured hexagonal diamond silicon (hd-Si) crystals via nanoindentation followed by annealing. Utilizing advanced characterization techniques such as polarized Raman…

We have studied the effects of oxygen on hydrogenated amorphous/crystalline silicon films in terms of their structural and optical properties. Different hydrogenated silicon oxide (SiO:H) and silicon (Si:H) films are fabricated between…

Materials Science · Physics 2021-03-17 Meenakshi Rana , Chandan Banerjee , Papia Chowdhury

Silicon offers great promise as a potential anode active material and the optimum alternative to lithium metal in all-solid-state lithium-ion batteries. However, its practical application is limited by severe volume expansion (~300%) during…

Based on first-principles calculation we predict two new thermodynamically stable layered-phases of silicon, named as silicites, which exhibit strong directionality in the electronic and structural properties. As compared to silicon…

Mesoscale and Nanoscale Physics · Physics 2014-10-01 Seymur Cahangirov , V. Ongun Ozcelik , Angel Rubio , Salim Ciraci

The crystal growth of isotactic polystyrene (it-PS) is investigated in very thin, 11 nm thick films. The it-PS crystals grown in the thin films show quite different morphology from that in the bulk. With decreasing crystallization…

Soft Condensed Matter · Physics 2016-08-31 Ken Taguch , Hideki Miyaji , Kunihide Izumi , Akitaka Hoshino , Yoshihisa Miyamoto , Ryohei Kokawa

Chemically synthesized single-crystalline gold microplates have been attracting increasing interests because of their potential as high-quality gold films for nanotechnology. We present the growth of tens of nanometer thick and tens of…

Materials Science · Physics 2016-12-28 Xiaofei Wu , René Kullock , Enno Krauss , Bert Hecht

The microstructure of a strongly coupled liquid undergoing a shear flow was studied experimentally. The liquid was a shear melted two-dimensional plasma crystal, i.e., a single-layer suspension of micrometer-size particles in a rf discharge…

Soft Condensed Matter · Physics 2015-06-04 V. Nosenko , A. V. Ivlev , G. E. Morfill

Nanostructured films obtained by the assembling of preformed atomic clusters are of strategic importance for a wide variety of applications. The deposition of clusters produced in the gas phase onto a substrate offers the possibility to…

Mesoscale and Nanoscale Physics · Physics 2018-04-18 Francesca Borghi , Alessandro Podestà , Claudio Piazzoni , Paolo Milani

Two theoretical models for the description of the diffraction properties of gradient crystals have been developed, one in the framework of the kinematic theory, the other within a transfer matrix formalism based on the dynamical theory of…

Materials Science · Physics 2019-01-04 Klaus-Dieter Liss

Classical molecular-dynamics simulations have been carried out to investigate densification mechanisms in silicon dioxide thin films deposited on an amorphous silica surface, according to a simplified ion-beam assisted deposition (IBAD)…

Materials Science · Physics 2009-11-07 Alexis Lefevre , Laurent J. Lewis , Ludvik Martinu , Michael R. Wertheimer

Amorphous silicon films prepared by electron beam evaporation have systematically and substantially greater atomic density for higher thickness, higher growth temperature, and slower deposition rate, reaching the density of crystalline Si…

Materials Science · Physics 2022-04-27 H. C. Jacks , M. Molina-Ruiz , M. H. Weber , J. J. Maldonis , P. M. Voyles , T. H. Metcalf , X. Liu , F. Hellman

The growth and characterization of epitaxial Co3O4(111) films grown by oxygen plasma-assisted molecular beam epitaxy on single crystalline a-Al2O3(0001) is reported. The Co3O4(111) grows single crystalline with the epitaxial relation…

Materials Science · Physics 2010-03-09 C. A. F. Vaz , V. E. Henrich , C. H. Ahn , E. I. Altman

A detailed nanoscale structural characterization was performed on high-quality La0.66Sr0.33MnO3 (LSMO) thin films of different thicknesses and deposited by pulsed laser deposition onto buffered Si (100) substrates. A multilayered structure…

Materials Science · Physics 2020-09-16 Aneely Carrero , Augusto Roman , Myriam Aguirre , Laura B. Steren

F-substituted NdOBiS2 superconducting single crystals were grown using CsCl/KCl flux. This is the first example of the single-crystal growth of a BiS2-based superconductor. The obtained single crystals had a plate-like shape with a size of…

Control of the crystallization process at the microscopic level makes it possible to generate the nanocrystalline samples with the desired structural and morphological properties, that is of great importance for modern industry. In the…

Materials Science · Physics 2019-03-25 Bulat N. Galimzyanov , Dinar T. Yarullin , Anatolii V. Mokshin

The structural evolution of suspensions upon freezing is studied with optical microscopy in a suspended droplet configuration. Droplets have millimeter size and consist in an aqueous mixture of silica particles while the surroundings phase…

Soft Condensed Matter · Physics 2018-05-10 Mathieu Nespoulous , Renaud Denoyel , Mickaël Antoni

The temperature dependence of dark conductivity at low temperatures (300-15 K) was studied on a wide microstructural range of well-characterized highly crystallized single phase undoped microcrystalline silicon samples. Our study reveals…

Materials Science · Physics 2011-11-09 Sanjay K. Ram , Satyendra Kumar , P. Roca i Cabarrocas

Two-dimensional (2D) materials have received extensive research attentions over the past two decades due to their intriguing physical properties (such as the ultrahigh mobility and strong light-matter interaction at atomic thickness) and a…

Materials Science · Physics 2023-10-16 Zhibin Zhang , Stiven Forti , Wanqing Meng , Sergio Pezzini , Zehua Hu , Camilla Coletti , Xinran Wang , Kaihui Liu

A persistent paradox complicates the study of plasma-irradiated thin films, where bimodal grain distributions and ambiguous scaling laws, roughly shifting between $\Phi^{-1/2}$ and $\Phi^{-1}$, or a general inverse dependence on plasma…

Materials Science · Physics 2025-07-11 Joel Saucedo , Uday Lamba , Hasitha Mahabaduge

Controlling the crystalline structure of Hafnium Zirconate and its epitaxial relationship to a semiconducting electrode has a high technological interest, as ferroelectric materials are key ingredients for emerging electronic devices. Using…