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We have developed a wedge-loaded double-cantilever beam adhesion measurement set-up for thin films deposited on glass by sputtering. The test is described in details. Results on the Glass/sublayer/Ag/ZnO multilayer provide evidence that…

Materials Science · Physics 2009-11-10 Etienne Barthel , Olivier Kerjan , Pascal Nael , Nicolas Nadaud

Co-sputtered Au-Ni thin films having thickness of 30 nm were deposited on Si(100) substrates and irradiated with 160 keV ^{40}Ar^{+} under ambient condition at a number of fluences and analyzed using Rutherford backscattering spectrometry…

Materials Science · Physics 2009-04-16 D. Datta , S. R. Bhattacharyya

Molybdenum disulfide (MoS2) of single and few-layer thickness was exfoliated on SiO2/Si substrate and characterized by Raman spectroscopy. The number of S-Mo-S layers of the samples was independently determined by contact-mode atomic-force…

Materials Science · Physics 2010-11-16 Changgu Lee , Hugen Yan , Louis E. Brus , Tony F. Heinz , James Hone , Sunmin Ryu

The isotope selective grazing-incidence nuclear resonance scattering (GI-NRS) technique is demonstrated to be depth-resolved under x-ray standing wave (XSW) conditions to probe the magnetism of the two interfaces of the Fe layers (Fe-on-Tb…

Materials Science · Physics 2024-12-25 Dileep Kumar

Scattering of phonons at boundaries of a crystal (grains, surfaces, or solid/solid interfaces) is characterized by the phonon wavelength, the angle of incidence, and the interface roughness, as historically evaluated using a specularity…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 Puqing Jiang , Lucas Lindsay , Xi Huang , Yee Kan Koh

In the present work, interfacial magnetism at metal organic interface is probed using an isotope sensitive interface resolved nuclear resonance scattering technique which is made depth selective under x-rays standing wave conditions. Using…

Materials Science · Physics 2024-05-03 Avinash G Khanderao , V R Reddy , Ilya Sergueev , Dileep Kumar

Interface structures in complex oxides remain one of the active areas of condensed matter physics research, largely enabled by recent advances in scanning transmission electron microscopy (STEM). Yet the nature of the STEM contrast in which…

The influence of interface roughness scattering (IRS) on the performances of silicon nanowire field-effect transistors (NWFETs) is numerically investigated using a full 3D quantum transport simulator based on the atomistic sp3d5s*…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 SungGeun Kim , Abhijeet Paul , Mathieu Luisier , Timothy B. Boykin , Gerhard Klimeck

In this work we studied Cu/Co multilayers prepared using dc-magnetron sputtering technique with Ag surfactant. It was found that Ag balances the difference in the surface free energy of Cu and Co and this results in removing the asymmetry…

Mesoscale and Nanoscale Physics · Physics 2012-09-25 S. M. Amir , Mukul Gupta , Ajay Gupta , J. Stahn

Raman spectroscopy is the prime non-destructive characterization tool for graphene and related layered materials. The shear (C) and layer breathing modes (LBMs) are due to relative motions of the planes, either perpendicular or parallel to…

We present a detailed study of the interface morphology of an electro-deposited (ED) Ni/Cu bilayer film by using off-specular (diffuse) neutron reflectivity technique and Atomic Force Microscopy (AFM). The Ni/Cu bilayer has been…

Materials Science · Physics 2015-05-13 Surendra Singh , Saibal Basu , S. K. Ghosh

We explore the potential of Time-Of-Flight Medium Energy Ion Scattering (TOFMEIS) for thin film analysis and analyze possible difficulties in evaluation of experimental spectra. Issues regarding different combinations of composition and…

Understanding interlayer and intralayer coupling in two-dimensional layered materials (2DLMs) has fundamental and technological importance for their large-scale production, engineering heterostructures, and development of flexible and…

Two-dimensional (2D) layered materials have been extensively studied owing to their fascinating and technologically relevant properties. Their functionalities can be often tailored by the interlayer stacking pattern. Low-frequency (LF)…

Mesoscale and Nanoscale Physics · Physics 2017-10-06 Liangbo Liang , Alexander A. Puretzky , Bobby G. Sumpter , Vincent Meunier

To enhance the reflectivity of X-ray mirrors beyond the critical angle, multilayer coatings are required. Interface imperfections in the multilayer growth process are known to cause non-specular scattering and degrade the mirror optical…

Optics · Physics 2013-04-05 B. Salmaso , D. Spiga , R. Canestrari , L. Raimondi

Multilayer neutron optics require precise control of interface morphology for optimal performance. In this work, we investigate the effects of different growth conditions on the interface morphology of Ni/Ti based multilayers, with a focus…

We demonstrate the possibility in quantifying the Raman intensities for both specimen and substrate layers in a common stacked experimental configuration and, consequently, propose a general and rapid thickness identification technique for…

Mesoscale and Nanoscale Physics · Physics 2013-08-20 Song-Lin Li , Hisao Miyazaki , Haisheng Song , Hiromi Kuramochi , Shu Nakaharai , Kazuhito Tsukagoshi

Using polarized X-rays, we compare the electronic and magnetic properties of a La(2/3)Sr(1/3)MnO(3)(LSMO)/SrTiO(3)(STO) and a modified LSMO/LaMnO(3)(LMO)/STO interface. Using the technique of X-ray resonant magnetic scattering (XRMS), we…

Strongly Correlated Electrons · Physics 2013-05-29 J. J. Kavich , M. P. Warusawithana , J. W. Freeland , P. Ryan , X. Zhai , R. H. Kodama , J. N. Eckstein

High-precision surface roughness estimation plays an important role in many applications. However, the classical estimating methods are limited by shot noise and only can achieve the precision of 0.1 nm with white light interferometer.…

Optics · Physics 2022-03-01 Hui-Chao Qu , Ya Xiao , Xin-Hong Han , Shan-Chuan Dong , Yong-Jian Gu

We report an investigation of the structural and electronic properties of hybrid superconductor/ferromagnet (S/F) bilayers of composition Nb/Cu$_{60}$Ni$_{40}$ prepared by magnetron sputtering. X-ray and neutron reflectometry show that both…

Strongly Correlated Electrons · Physics 2015-12-07 Yu. Khaydukov , R. Morari , O. Soltwedel , T. Keller , G. Christiani , G. Logvenov , M. Kupriyanov , A. Sidorenko , B. Keimer