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Previous Zernike phase-plates, for transmission-electron-microscopy (TEM) have always been made out of carbon. A critical constraint on those phase-plates is their fast degradation during use. Here, a Zernike phase-plate consisting out of…

Materials Science · Physics 2017-08-18 Leonard F. Henrichs

We report on the anisotropy of the vortex motion surface impedance of a \fst thin film grown on a CaF$_2$ substrate. The dependence on the magnetic field intensity up to 1.2 T and direction, both parallel and perpendicular to the sample…

A recent experiment(Bollmann11) suggested that bismuth forms hexagonal close packed (HCP) films on the Ni(111) surface, of heights 3, 5 and 7 layers. A quantum size effect based on free electrons was proposed in explanation. To test this…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Qin Gao , Michael Widom

We have fabricated Ce/Pd bilayers grown on the SiO$_2$ substrate by magnetron sputtering under ultrahigh vacuum. Usage of palladium layer on top of the Ce film appears to prevent effectively the sample oxidation. The thickness of the cerium…

Strongly Correlated Electrons · Physics 2018-06-13 P. Skokowski , A. Marczyńska , S. Pacanowski , T. Toliński , B. Szymański , Ł. Majchrzycki , L. Smardz

We have studied the electrical conductivity behavior of highly crystallized undoped hydrogenated microcrystalline silicon films having different microstructures. The dark conductivity is seen to follow Meyer Neldel rule (MNR) in some films…

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

Thin films of superconducting V$_3$Si were prepared by means of RF sputtering from a compound V$_3$Si target at room temperature onto sapphire and oxide-coated silicon wafers, followed by rapid thermal processing under secondary vacuum. The…

The anisotropic conductivity of thin Nd$_{1.85}$Ce$_{0.15}$CuO$_{4-\delta}$ films was measured in the frequency range 8 cm$^{-1}<\nu <$ 40 cm$^{-1}$ and for temperatures 4 K $<T<300$ K. A tilted sample geometry allowed to extract both,…

Manganite thin films are promising candidates for studying the strongly correlated electron systems. Understanding the growth-and morphology-driven changes in the physical properties of manganite thin films is vital for their applications…

Manifestations of anomalous conductivity in polar dielectric films is demonstrated for the first time on samples of copolymer of vinylene and vinyl chloride, as was previously observed on modified PVC samples. On the base of these…

Materials Science · Physics 2013-06-19 V. I. Kryshtob , V. F. Mironov , L. A. Apresyan , D. V. Vlasov , S. I. Rasmagin , T. V. Vlasova

Opticcal conductivity spectra $\sigma_1(\omega)$ of Nd2-xCexCuO4 thin films, measured by the reflectance-transmittance method (R-T method) which has been proposed to investigate far-infrared spectroscopy, are investigated based on the…

Low-frequency resistance fluctuations cause excess noise in biased resistors. The magnitude of these fluctuations varies significantly between different resistor types. In this work measurements of excess noise in precision thin film and…

Instrumentation and Detectors · Physics 2021-09-07 Nikolai Beev

The quasi-two-dimensional antiferromagnet Ni$_2$P$_2$S$_6$ belongs to the family of magnetic van der Waals compounds that provides a rich material base for the realization of fundamental models of quantum magnetism in low dimensions. Here,…

Strongly Correlated Electrons · Physics 2022-06-24 K. Mehlawat , A. Alfonsov , S. Selter , Y. Shemerliuk , S. Aswartham , B. Büchner , V. Kataev

The present work reports the study of the optimized processing conditions of Bi0.9La0.1Fe0.9Mn0.1O3 thin films, grown by RF sputtering on platinum metalized silicon substrates. The combination of deposition at relatively low substrate…

With thermal issues becoming a major challenge to the development of integrated circuits (ICs), high-thermal-conductivity (high-TC) materials are gaining interest from both the industry and academia, especially for high-density…

Materials Science · Physics 2026-03-10 Xufei Guo , Zirou Chen , Zifeng Huang , Yuxiang Wang , Jinwen Liu , Zhe Cheng

NbO2 is a potential material for nanometric memristor devices, both in the amorphous and the crystalline form. We fabricated NbO2 thin films using RF-magnetron sputtering from a stoichiometric target. The as-deposited films were amorphous…

Materials Science · Physics 2019-10-08 Ali Fakih , Johan Biscaras , Abhay Shukla

We have developed a transient thermoreflectance technique using picosecond pulsed and cw laser to study thermal conductivity and interface conductance in both thin-films and bulk materials. A real time-resolved system observes a thermal…

Materials Science · Physics 2021-08-27 Jihoon Jeong , Xianghai Meng , Ann Kathryn Rockwell , Seth R Bank , Wen-Pin Hsieh , Jung-fu Lin , Yaguo Wang

Many modern applications, including quantum computing and quantum sensing, use substrate-film interfaces. Particularly, thin films of chromium or titanium and their oxides are commonly used to bind various structures, such as resonators,…

Nickel nitride (Ni-N) thin film samples were deposited using reactive magnetron sputtering process utilizing different partial flow of N2 (RN2). They were characterized using x-ray reflectivity (XRR), x-ray diffraction (XRD) and x-ray…

Materials Science · Physics 2020-04-23 Nidhi Pandey , Mukul Gupta , Jochen Stahn

High quality vanadium sesquioxide V2O3 films (170-1100 {\AA}) were grown using the pulsed laser deposition technique on (0001)-oriented sapphire substrates, and the effects of film thickness on the lattice strain and electronic properties…

Strongly Correlated Electrons · Physics 2008-01-07 C. Grygiel , Ch. Simon , B. Mercey , W. Prellier , P. Limelette , R. Fresard

Shape anisotropy provides a simple mechanism to adjust the local bias field in patterned structures. It is well known that for ellipsoidal particles $<1$ $\mu$m in size, a quasi-single domain state can be realized with uniform anisotropy…

Materials Science · Physics 2015-06-11 Yi Li , Yiran Lu , William E. Bailey