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PVpanel Sim
09 Oct 2011 | Tools | Contributor(s): Elliott Ivan Gurrola, Sourabh Dongaonkar, Muhammad Alam
Two dimensional spice simulation of thin film solar panels, including shunt induced variability, and partial shadow effects
http://nanohub.org/resources/pvpanelsim
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Growth of Cu films on hydrogen terminated Si(lQ0) and Si(lll) surf&es
07 Oct 2011 | Publications | Contributor(s): Brian Demczyk
We have employed reflection high energy electron diffraction (RHEED) and high resolution transmission electron microscopy (HREM) to study Cu films grown on hydrogen terminated Si( 100) and Si( 111) …
http://nanohub.org/resources/12235
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Interface structure and surface morphology of (Co, Fe, Ni)/Cu/Si(100) thin films
07 Oct 2011 | Publications | Contributor(s): Brian Demczyk
We have examined bilayer Co/Cu, Fe/Cu, and Ni/Cu films deposited by molecular-beam epitaxy on hydrogen-terminated @100# silicon substrates. Coauthors: V.M. Naik, A. Lukaszew, R. Naik, G. W. Auner
http://nanohub.org/resources/12237
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Origin of the orientation ratio in sputtered longitudinal media
07 Oct 2011 | Publications | Contributor(s): Brian Demczyk
The surface morphology, thin film microstructure, and crystallography of sputtered longitudinal media were examined by atomic force and transmission electron microscopy. Coauthors: J. N. Zhou, G. …
http://nanohub.org/resources/12239
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Magnetic properties of magnetron sputtered Co-Cr thin films
07 Oct 2011 | Publications | Contributor(s): Brian Demczyk
The magnetic properties 01 magnetron sputtered CO-22 at.% Cr films of various thickness deposited on glass have been examined, with particular attention to the various contributions to the film …
http://nanohub.org/resources/12246
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Oxidation Behavior of CoCr Thin Films
07 Oct 2011 | Publications | Contributor(s): Brian Demczyk
In this work, elemental redistribution of annealed CoCr thin films has been investigated by X-ray photoelectron spectroscopy.
http://nanohub.org/resources/12248
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Comparison of strain relaxation in epitaxial Si0.3Ge0.7 films grown on Si(001) and Ge(001)
07 Oct 2011 | Publications | Contributor(s): Brian Demczyk
Surface and interfacial strain have been computed for SiGe thin films grown by UHVCVD,based on measurements via transmission electron microscopy and Raman spectroscopy.
http://nanohub.org/resources/12252
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Lubrication effects on head�disk spacing loss
07 Oct 2011 | Publications | Contributor(s): Brian Demczyk
The effects of lubrication thickness on the magnetic recording head-media tribology were investigated in this study. Coauthors: J. Liu, C. Y. Chen, S. Zhang
http://nanohub.org/resources/12254
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Solar Cells Lecture 4: What is Different about Thin-Film Solar Cells?
29 Aug 2011 | Online Presentations | 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 …
http://nanohub.org/resources/11949
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Anti-Reflection Coating Assignment
25 Nov 2010 | Teaching Materials | 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 …
http://nanohub.org/resources/10074
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Chemically Enhanced Carbon-Based Nanomaterials and Devices
25 Oct 2010 | Online Presentations | 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 …
http://nanohub.org/resources/9929
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Electric and Magnetic Properties of Multiferroic Oxide Thin Films and Heterostructures
20 Oct 2010 | Online Presentations | Contributor(s): Pedro Antonio Prieto
Outline: Introduction Preparation methods for oxide thin films Oxide thin films and heterostructures Multiferroic materials BiFeO3, YMnO3, BiMnO3 thin films and FE/FM Composites Conclusions …
http://nanohub.org/resources/9910
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TiCN/TiNbCN Multilayer System with Enhanced Tribological Properties
20 Oct 2010 | Online Presentations | 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 …
http://nanohub.org/resources/9912
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Center of Excellence on Novel Materials (CENM) Overview Video
06 Oct 2010 | Animations | 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 …
http://nanohub.org/resources/9838
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Nanotechnology Activities in Colombia: A Perspective From the Excellence Center for Novel Materials
06 Oct 2010 | Online Presentations | Contributor(s): Pedro Antonio Prieto
I will present the current state of R & D in the fields of condensed matter, novel materials, and nanotechnology in Colombia. I will initially consider Latin America and the Caribbean (LAC) to then …
http://nanohub.org/resources/9837
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Anisotropic magnetoresistance in colossal magnetoresistive La1-xSrxMnO3 thin films
03 Sep 2010 | Publications | Contributor(s): Jeng-Bang (Tony) Yau
We report on magnetic field and temperature dependent measurements of the anisotropic magnetoresistance (AMR) in epitaxial La1-xSrxMnO3 (LSMO) thin flms. While in 3d ferromagnetic alloys increasing …
http://nanohub.org/resources/9611
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Superficial Science – Polymer Surface Science at Purdue
25 Aug 2010 | Online Presentations | Contributor(s): Jeffery Youngblood
In this presentation, Professor Youngblood describes his current research projects and the theme that ties them together - surface science.
http://nanohub.org/resources/9587
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Surface Characterization Studies of Carbon Materials: SS-DNA, SWCNT, Graphene, HOPG
30 Jan 2010 | Online Presentations | Contributor(s): Dmitry Zemlyanov
In this presentation examples of surface characterization studies of carbon specimens will be presented. (1) In particularly, the systematic XPS (X-ray photoelectron spectroscopy) characterization of …
http://nanohub.org/resources/8312
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X-ray Diffraction and Reflectivity Analysis of Thin Films and Nanomaterials
02 Dec 2009 | Online Presentations | Contributor(s): Mauro Sardela
A review of x-ray analysis techniques applied to the characterization of nanomaterials will be presented with focus on x-ray lab source instrumentation similar to the facilities available at the …
http://nanohub.org/resources/7955
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Renewable Solar Energy: Has the Sun Finally Risen on Photovoltaics?
23 Feb 2009 | Online Presentations | Contributor(s): Mark R. Pinto
After a review of the overall renewable energy landscape, including the central role of economics, we present here the case that PV is on the verge of becoming a major source of electrical power …
http://nanohub.org/resources/6332