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Lubrication Effects on Head-Disk Spacing Loss
07 Oct 2011 | Papers | 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.
Magnetic properties of magnetron sputtered Co-Cr thin films
07 Oct 2011 | Papers | 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 attention
to the various contributions to the film...
Origin of the orientation ratio in sputtered longitudinal media
07 Oct 2011 | Papers | 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 longitudinal
media were examined by atomic force and transmission electron microscopy.
Oxidation Behavior of CoCr Thin Films
07 Oct 2011 | Papers | Contributor(s): Brian Demczyk
In this work, elemental redistribution of annealed CoCr thin films has been investigated by X-ray photoelectron spectroscopy.
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...
Anti-Reflection Coating Assignment
30 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...
Chemically Enhanced Carbon-Based Nanomaterials and Devices
09 Nov 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,...
Electric and Magnetic Properties of Multiferroic Oxide Thin Films and Heterostructures
20 Oct 2010 | Online Presentations | Contributor(s): Pedro Antonio Prieto
Preparation methods for oxide thin films
Oxide thin films and heterostructures
BiFeO3, YMnO3, BiMnO3 thin films and FE/FM...
TiCN/TiNbCN Multilayer System with Enhanced Tribological Properties
Improvement in the mechanical properties of hard coatings such monolayer (TiN, CrN, AlCN, WC-Co, TiCN) , has been achieved using compositional gradient WC/C layer, or multilayered type...
Center of Excellence on Novel Materials (CENM) Overview Video
11 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...
Nanotechnology Activities in Colombia: A Perspective From the Excellence Center for Novel Materials
11 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...
why thin films are transparent?
Closed | Responses: 0
How can we explain the transparency of metallic thin films?
Anisotropic magnetoresistance in colossal magnetoresistive La1-xSrxMnO3 thin films
03 Sep 2010 | Papers | 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...
Superficial Science – Polymer Surface Science at Purdue
26 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.
Freddy Geovanny Del Pozo
Surface Characterization Studies of Carbon Materials: SS-DNA, SWCNT, Graphene, HOPG
16 Feb 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...
X-ray Diffraction and Reflectivity Analysis of Thin Films and Nanomaterials
29 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...
Renewable Solar Energy: Has the Sun Finally Risen on Photovoltaics?
10 Apr 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...
Functional Graded Materials architectures applied at nanoscale: thin PVD nanograded and layered coatings
3.0 out of 5 stars
09 Oct 2008 | Papers | Contributor(s): Vasco Teixeira
Functionally graded materials (FGM’s) are designed to achieve levels of performance superior to that of homogeneous materials by combining the desirable properties of each constituent phase....