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Advanced Nanotechnology Thin Film Approaches for the Food and Medical Industry: an overview of current status
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10 Jan 2007 | | Contributor(s):: Vasco Teixeira
In the field of nanotechnology-based thin films and coatings, new approaches using nanoscale effects can be used to design, create or model nanocoating systems with significantly optimized or enhanced properties of high interest to the food, health and biomedical industry. With the development...
Anisotropic magnetoresistance in colossal magnetoresistive La1-xSrxMnO3 thin films
03 Sep 2010 | | 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 the magnetization, either by reducing the temperature or increasing the magnetic field, increases...
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:...
BNC Annual Research Review: Thin-Film Electronics using Nanowire Transistors
06 Jun 2008 | | Contributor(s):: David Janes
This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming year.
Center of Excellence on Novel Materials (CENM) Overview Video
11 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.
Chemically Enhanced Carbon-Based Nanomaterials and Devices
09 Nov 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...
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.
Directing Crystallization and Assembly for Printed Electronics
19 Dec 2016 | | Contributor(s):: Ying Diao
Over the past thirty years, organic semiconductors have emerged as a new class of electronic and photoelectronic materials that are light- weight, flexible and can be manufactured using energy-efficient and high-throughput methods. The solution printability at near ambient conditions enables...
ECE 695Q: Nanometer Scale Patterning and Processing
11 Jul 2016 | | Contributor(s):: Minghao Qi
This course is a top-down approach to the fabrication of nanometer-scale (<100nm) structures. Principles of lithography, film deposition, reactive-ion etch and planarization are presented. The couse provides a survey of state-of-the-art nanofabrication techniques.
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
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,...
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.
Functional Graded Materials architectures applied at nanoscale: thin PVD nanograded and layered coatings
09 Oct 2008 | | 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. FGM’s are composite materials where the composition or the microstructure is locally varied so that a...
Growth of Cu films on hydrogen terminated Si(lQ0) and Si(lll) surf&es
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.
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.
Learning Module: Deposition Processes Overview for Microsystems - Instructor Guides
25 Apr 2017 | | Contributor(s):: Southwest Center for Microsystems Education (SCME)
This learning module is an introduction to the common processes used to deposit thin films for the fabrication of micro-size devices. Thermal oxidation and several types of deposition are discussed. Activities provide further exploration into these processes as well as the properties...
Learning Module: Photolithography Overview for MEMS - Instructor Guides
This learning modules provides an overview of the most common photolithography process used in the fabrication of microelectromechnical systems (MEMS), its terminology and basic concepts. Activities allows students to further explore some of these concepts.
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.
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
Mechanical Behavior of MEMS/NEMS
25 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.