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Enhancing your Micro and Nano Technology Courses with Free nanoHUB Resources and Simulations
12 May 2015 | | Contributor(s):: Tanya Faltens
This presentation given at a workshop in the 2014 MNT (Micro Nano Technology) Conference in Albuquerque, New Mexico, provides an overview of nanoHUB resources that will be useful for MNT Educators. The Education Page, nanoHUB-U, Group Functionalities, collections, Learning Communities,...
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Structure and Morphology of Silicon-Germanium Thin Films
07 Feb 2015 | | Contributor(s):: Brian Demczyk
This presentation describes the growth of (Si,Ge & SiGe) thin films on Si and Ge (001) and (111) substrates by ultrahigh vacuum chemical vapor deposition (UHVCVD). Thin films were characterized structurally by conventional and high-resolution transmission electron microscopy (TEM) and...
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Mechanical Behavior of MEMS/NEMS
27 Feb 2014 | | Contributor(s):: Yong Zhu
This lecture covers mechanical testing methods and behaviors of thin films and nanostructures. This lecture is related to the activities at the NSF Nanosystems Engineering Research Center (NERC) for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST) at NC State University.
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Structure and Morphology of Silicon Germanium Thin Films
30 Dec 2013 | | Contributor(s):: Brian Demczyk
Single layer silicon and germanium films as well as nominally 50-50 silicon-germanium alloys were deposited on single crystal silicon and germanium (001) and (111) substrates by ultrahigh vacuum chemical vapor deposition. These films spanned the range of + 4 % film-substrate lattice mismatch. A...
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NEATEC K-12 Module - Thin Films Grades 6-8
10 Jan 2013 | | Contributor(s):: Brook Bourgeois, Jason Brechko, Cherilyn Dempsey, Nathan Ellis, Mary Ann Nickloy, NEATEC Developers
In this activity your students will have learned the correlation between color wavelengths and measurement. They will have effectively learned how to solve real-world and mathematical problems involving volume of spheres. Know the formulas for the volumes spheres and use them to solve real-world...
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Evolution of microstructure and magnetic properties in magnetron-sputtered CoCr thin films
02 Feb 2012 | | Contributor(s):: Brian Demczyk
In this work, transmission electron microscopy, including the Lorentz mode is combined with magnetic measurements (vibrating sample magnetometry and ferromagnetic resonance)to draw correlations between the structural and magnetic constituents in cobalt-chromium films of increasing thickness.
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PVpanel Sim
09 Oct 2011 | | Contributor(s):: Mario Renteria, Elliott Ivan Gurrola, Birkir Snær Sigfússon, Suhas Venkat Baddela, Sourabh Dongaonkar, Xingshu Sun, Muhammad Alam
Two dimensional spice simulation of thin film solar panels, including shunt induced variability, and partial shadow effects.
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Interface structure and surface morphology of (Co, Fe, Ni)/Cu/Si(100) thin films
07 Oct 2011 | | Contributor(s):: Brian Demczyk, V.M. Naik, A. Lukaszew, R. Naik, G. W. Auner
We have examined bilayer Co/Cu, Fe/Cu, and Ni/Cu films deposited by molecular-beam epitaxy onhydrogen-terminated @100# silicon substrates.
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Oxidation Behavior of CoCr Thin Films
07 Oct 2011 | | Contributor(s):: Brian Demczyk
In this work, elemental redistribution of annealed CoCr thin films has been investigated by X-ray photoelectron spectroscopy.
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Lubrication Effects on Head-Disk Spacing Loss
07 Oct 2011 | | Contributor(s):: Brian Demczyk, J. Liu, C. Y. Chen, S. Zhang
The effects of lubrication thickness on the magnetic recording head-media tribology were investigated in this study.
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Growth of Cu films on hydrogen terminated Si(lQ0) and Si(lll) surf&es
07 Oct 2011 | | Contributor(s):: Brian Demczyk, R. Naik, G. Auner, C. Kota, U. Rao
We have employed reflection high energy electron diffraction (RHEED) and high resolutiontransmission electron microscopy (HREM) to study Cu films grown on hydrogen terminatedSi( 100) and Si( 111) substrates by molecular beam epitaxy.
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Origin of the orientation ratio in sputtered longitudinal media
07 Oct 2011 | | Contributor(s):: Brian Demczyk, J. N. Zhou, G. Choe, E. Stach, E. C. Nelson, U. Dahmen
The surface morphology, thin film microstructure, and crystallography of sputtered longitudinalmedia were examined by atomic force and transmission electron microscopy.
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Magnetic properties of magnetron sputtered Co-Cr thin films
07 Oct 2011 | | Contributor(s):: Brian Demczyk, J. O. Artman
The magnetic properties 01 magnetron sputtered CO-22 at.% Cr films of various thickness deposited on glass have been examined, with particular attentionto the various contributions to the film anisotropy
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Comparison of strain relaxation in epitaxial Si0.3Ge0.7 films grown on Si(001) and Ge(001)
07 Oct 2011 | | Contributor(s):: Brian Demczyk, R. Naik, G. Auner, C. Kota, U. Rao
Surface and interfacial strain have been computed for SiGe thin films grown by UHVCVD,based on measurements via transmission electron microscopy and Raman spectroscopy.
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Solar Cells Lecture 4: What is Different about Thin-Film Solar Cells?
29 Aug 2011 | | Contributor(s):: Muhammad A. Alam
Thin film solar cells promise acceptable efficiency at low cost. This tutorial examines the device physics of thin-film solar cells, which generally require a different type of analysis than crystalline solar cells.
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Anti-Reflection Coating Assignment
25 Nov 2010 | | Contributor(s):: Alex Small
This is a guided activity for students to study the design of an anti-reflection coating. The student is first asked to do a simple calculation by hand, to determine the proper thickness for an anti-reflection coating in a standard situation. The student then uses the nanoHUB tool "PhotonicsRT:...
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Chemically Enhanced Carbon-Based Nanomaterials and Devices
25 Oct 2010 | | Contributor(s):: Mark Hersam
Carbon-based nanomaterials have attracted significant attention due to their potential to enable and/or improve applications such as transistors, transparent conductors, solar cells, batteries, and biosensors. This talk will delineate chemical strategies for enhancing the electronic and optical...
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Electric and Magnetic Properties of Multiferroic Oxide Thin Films and Heterostructures
20 Oct 2010 | | Contributor(s):: Pedro Antonio Prieto
Outline:IntroductionPreparation methods for oxide thin filmsOxide thin films and heterostructures Multiferroic materialsBiFeO3, YMnO3, BiMnO3 thin films and FE/FM CompositesConclusions
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TiCN/TiNbCN Multilayer System with Enhanced Tribological Properties
20 Oct 2010 | | Contributor(s):: Pedro Antonio Prieto
Improvement in the mechanical properties of hard coatings such monolayer (TiN, CrN, AlCN, WC-Co, TiCN) [1], has been achieved using compositional gradient WC/C layer, or multilayered type [transition metal/transition carbide]n, [transition metal/transition nitride]n, [TiCN/ZrCN]n, among others....
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Center of Excellence on Novel Materials (CENM) Overview Video
06 Oct 2010 | | Contributor(s):: Pedro Antonio Prieto
The CENTER OF EXCELLENCE FOR NOVEL MATERIALS (CENM) is part of a high-priority national effort supported primarily by COLCIENCIAS and integrated by 19 recognized multidisciplinary research groups from 10 universities across Columbia.