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Related papers: SiNx RRAMs performance with different stoichiometr…

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We realize squeeze film pressure sensors using suspended, high mechanical quality silicon nitride membranes forming few-micron gap sandwiches. The effects of air pressure on the mechanical vibrations of the membranes are investigated in the…

Applied Physics · Physics 2019-09-20 Sepideh Naserbakht , Aurélien Dantan

Impedance spectroscopy measurements were performed in high quality Vanadium dioxide (VO2) thin films. This technique allows us investigate the resistive and capacitive contribution to the dielectric response near the metal-insulator…

Materials Science · Physics 2011-05-24 J. -G. Ramírez , Edgar J. Patiño , Rainer Schmidt , Amos Sharoni , M. E. Gómez , Ivan K. Schuller

The study of hexagonal silicon polytypes attracts special attention due to their unique physical properties compared to the traditional cubic phase of Si. Thus, for some hexagonal phases, a significant improvement in the emission properties…

Strain provides an effective means to tune the electrical properties while retaining the native chemical composition of the material. Unlike three-dimensional solids, two-dimensional materials withstand higher levels of elastic strain…

Mesoscale and Nanoscale Physics · Physics 2020-04-14 Ashby Phillip John , Arya Thenapparambil , Madhu Thalakulam

We report a study of the strain state of epitaxial MnSi films on Si(111) substrates in the thick film limit (100-500~\AA) as a function of film thickness using polarization-dependent extended x-ray absorption fine structure (EXAFS). All…

We present in this paper the conductance maps at 100 mK in the disordered polycrystalline film of titanium nitride (TiN). At 5 nm, the film is close to quasi-two dimensional limit and exhibits features pertaining to the superconductor to…

Superconductivity · Physics 2014-01-21 P. Kulkarni , H. Suderow , S. Vieira , M. R. Baklanov , T. Baturina , V. Vinokur

We investigate the influence of gold thin-films subsequently deposited on a set of initially bare, doubly clamped, high-stress silicon nitride string resonators at room temperature. Analytical expressions for resonance frequency, quality…

Mesoscale and Nanoscale Physics · Physics 2014-11-25 Maximilian J. Seitner , Katrin Gajo , Eva M. Weig

We calculate the electronic structure of germanium-tin (Ge$_{1-x}$Sn$_{x}$) binary alloys for $0 \leq x \leq 1$ using density functional theory (DFT). Relaxed alloys with semiconducting or semimetallic behaviour as a function of Sn…

Materials Science · Physics 2021-05-26 Conor O'Donnell , Alfonso Sanchez-Soares , Christopher A. Broderick , James C. Greer

Compared with silicon (Si) power devices, Silicon carbide (SiC) devices have the advantages of fast switching speed and low on-resistance. However, the effects of non-ideal characteristics of SiC MOSFETs and stray parameters (especially…

Systems and Control · Electrical Eng. & Systems 2023-11-14 Jialin Zheng , Zhengming Zhao , Han Xu , Weicheng Liu , Yangbin Zeng

We demonstrate that soft-clamped silicon nitride strings with large aspect ratio can be operated at \si{\milli\kelvin} temperatures. The quality factors ($Q$) of two measured devices show consistent dependency on the cryostat temperature,…

The electronic structure of Sc1-xVxNy epitaxial films with different alloying concentrations of V are investigated with respect to effects on thermoelectric properties. Band structure calculations on Sc0.75V0.25N indicate that V 3d states…

In this paper, a three-dimensional lattice model based on the Monte Carlo approach is presented. This model is developed to investigate the kinetics of morphology change during phase separation in nonstoichiometric Si oxide (SiOx, x < 2)…

Materials Science · Physics 2025-12-16 Ivan Oliinyk , Andrey Sarikov

Raman spectroscopy has been used to identify defective bonding in neon and silicon ion irradiated single crystals of 6H-SiC. Observable differences exist in the C-C bonding region corresponding to different defect structures for neon and…

Materials Science · Physics 2020-07-06 Alexander J. Leide , Matthew J. Lloyd , Richard I. Todd , David E. J. Armstrong

Amorphous hydrogenated silicon nitride ($\textit{a}$-SiN$_\mathrm{\textit{x}}$:H) thin films irradiated with 100 MeV Ni$^{7+}$ results in the formation of continuous ion track structures at the lower fluence of $5\times{10^{12}}$…

Applied Physics · Physics 2020-08-18 R K Bommali , S Ghosh , Harsh Gupta , Rafael Pérez Casero , P Srivastava

The paper provides a comprehensive study on Raman spectroscopy versatility as a fast and non destructive tool for the prediction of the mechanical properties of SiC fibers derived from a polymeric precursor (NLM, Hi, Hi-S, SA and Sylramic…

Materials Science · Physics 2016-08-14 Gwénael Gouadec , Philippe Colomban

Chromium-based nitrides are used in hard, resilient coatings, and show promise for thermoelectric applications due to their combination of structural, thermal, and electronic properties. Here, we investigated the electronic structures and…

For decades, mechanical resonators with high sensitivity have been realized using thin-film materials under high tensile loads. Although there have been remarkable strides in achieving low-dissipation mechanical sensors by utilizing high…

Mesoscale and Nanoscale Physics · Physics 2026-03-05 Minxing Xu , Dongil Shin , Paolo M. Sberna , Roald van der Kolk , Andrea Cupertino , Miguel A. Bessa , Richard A. Norte

In this study, we proposed and demonstrated a self-rectifying property of silicon nitride (Si3N4)-based resistive random access memory device by employing p-type silicon (p-Si) as bottom electrode. The RRAM devices consisted of…

Materials Science · Physics 2016-05-20 Min Ju Yun , Sungho Kim , Hee-Dong Kim

We demonstrate the DC-Kerr effect in PECVD Silicon-rich Nitride (SRN) and use it to demonstrate a third order nonlinear susceptibility, \c{hi}^((3)), as high as (6 +/- 0.58)x10-19 m2/v2. We employ spectral shift versus applied voltage…

Optics · Physics 2021-09-08 Alex Friedman , Hani Nejadriahi , Rajat Sharma , Yeshaiahu Fainman

The recent discovery of high-temperature superconductivity in La$_3$Ni$_2$O$_7$ under ambient-pressure in strained thin films raises the question of how superconductivity can be optimized through strain. In this work, we investigate the…

Superconductivity · Physics 2025-12-30 Sreekar Bheemavarapu