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Results: 19741
Diamond power devices
Abstract: With its remarkable electro-thermal properties such as the highest known thermal conductivity (~22 W cm−1∙K−1 at RT of any material, high hole mobility (>2000 cm2 V−1 s−1), high critical electric field (>10 MV cm−1)...
Crystalline Interlayers for Reducing the Effective Thermal Boundary Resistance in GaN-on-Diamond.
Daniel E Field, Jerome A Cuenca, Matthew Smith, Simon M Fairclough, Fabien C-P Massabuau, James W Pomeroy, Oliver Williams, Rachel A Oliver, Iain Thayne, Martin Kuball
Nov 25, 2020
Integrating diamond with GaN high electron mobility transistors (HEMTs) improves thermal management, ultimately increasing the reliability and performance of high-power high-frequency radio frequency amplifiers. Conventionally...
Surface defects incorporated diamond machining of silicon
Abstract
This paper reports the performance enhancement benefits in diamond turning of the silicon wafer by incorporation of the surface defect machining (SDM) method. The hybrid...
Neha Khatri, Borad M Barkachary, B Muneeswaran, Rajab Al-Sayegh, Xichun Luo, Saurav Goel
Feb 17, 2022
Surface Zeta Potential and Diamond Seeding on Gallium Nitride Films.
Soumen Mandal, Evan LH Thomas, Callum Middleton, Laia Gines, James T Griffiths, Menno J Kappers, Rachel A Oliver, David J Wallis, Lucy E Goff, Stephen A Lynch, Martin Kuball, Oliver A Williams
Aug 26, 2021
The measurement of ζ potential of Ga-face and N-face gallium nitride has been carried out as a function of pH. Both of the faces show negative ζ potential in the pH range 5.5-9. The Ga-face has an isoelectric point at pH 5.5....
Surface defects incorporated diamond machining of silicon
Neha Khatri, Borad M Barkachary, B Muneeswaran, Rajab Al-Sayegh, Xichun Luo, Saurav Goel
Jan 14, 2021
Abstract: This paper reports the performance enhancement benefits in diamond turning of the silicon wafer by incorporation of the surface defect machining (SDM) method. The hybrid micromachining methods usually require...
Surface defects incorporated diamond machining of silicon
Abstract
This paper reports the performance enhancement benefits in diamond turning of the silicon wafer by incorporation of the surface defect machining (SDM) method. The hybrid...
Neha Khatri, Borad M Barkachary, B Muneeswaran, Rajab Al-Sayegh, Xichun Luo, Saurav Goel
Jan 14, 2021
Microstructures Manufactured in Diamond by Use of Laser Micromachining.
Mariusz Dudek, Adam Rosowski, Marcin Kozanecki, Malwina Jaszczak, Witold Szymański, Martin Sharp, Anna Karczemska
Mar 10, 2020
Different microstructures were created on the surface of a polycrystalline diamond plate (obtained by microwave plasma-enhanced chemical vapor deposition-MW PECVD process) by use of a nanosecond pulsed DPSS (diode pumped solid...
Surface defects incorporated diamond machining of silicon
Neha Khatri, Borad M Barkachary, B Muneeswaran, Rajab Al-Sayegh, Xichun Luo, Saurav Goel
Feb 17, 2022
Abstract: This paper reports the performance enhancement benefits in diamond turning of the silicon wafer by incorporation of the surface defect machining (SDM) method. The hybrid micromachining methods usually require...
Thick, Adherent Diamond Films on AlN with Low Thermal Barrier Resistance.
Soumen Mandal, Chao Yuan, Fabien Massabuau, James W Pomeroy, Jerome Cuenca, Henry Bland, Evan Thomas, David Wallis, Tim Batten, David Morgan, Rachel Oliver, Martin Kuball, Oliver A Williams
Aug 26, 2021
The growth of >100-μm-thick diamond layers adherent on aluminum nitride with low thermal boundary resistance between diamond and AlN is presented in this work. The thermal barrier resistance was found to be in the range of 16...
Feedback-amplified electrochemical dual-plate boron-doped diamond microtrench detector for flow injection analysis
Grace E M Lewis, Andrew J. Gross, Barbara Kasprzyk-Hordern, Anneke T. Lubben, Frank Marken
Aug 01, 2015
An electrochemical flow cell with a boron-doped diamond dual-plate microtrench electrode has been developed and demonstrated for hydroquinone flow injection electroanalysis in phosphate buffer pH 7. Using the electrochemical...
Optical signatures of silicon-vacancy spins in diamond
T Muller, C Hepp, B Pingault, E Neu, S Gsell, M Schreck, H Sternschulte, D Steinmuller-Nethl, C Becher, M Atature
Aug 10, 2017
Colour centres in diamond have emerged as versatile tools for solid-state quantum technologies ranging from quantum information to metrology, where the nitrogen-vacancy centre is the most studied to date. Recently, this toolbox...
Feedback-amplified electrochemical dual-plate boron-doped diamond microtrench detector for flow injection analysis
Grace E M Lewis, Andrew J. Gross, Barbara Kasprzyk-Hordern, Anneke T. Lubben, Frank Marken
Aug 01, 2015
An electrochemical flow cell with a boron-doped diamond dual-plate microtrench electrode has been developed and demonstrated for hydroquinone flow injection electroanalysis in phosphate buffer pH 7. Using the electrochemical...
Interview with Johann M. McCrackin
Johann M. McCrackin
Jan 01, 0001
Interview with Johann M. McCrackin, 1984 South Carolina Mother of the Year.
Published by: Winthrop University
'The war whose bullets you don’t see’
This paper reflects critically on the transformational impacts the recent Ebola epidemic has had in diamond-rich areas of rural Sierra Leone. It focuses specifically on the country's ‘diggers’, a sizable group of labourers who...
Ebola and alluvial diamond mining in West Africa
There is now a burgeoning body of literature which examines the impacts of Ebola in Guinea Conakry, Liberia and Sierra Leone. This analysis, however, has focused predominantly on health issues, emergency preparedness and the...
Ebola and alluvial diamond mining in West Africa
There is now a burgeoning body of literature which examines the impacts of Ebola in Guinea Conakry, Liberia and Sierra Leone. This analysis, however, has focused predominantly on health issues, emergency preparedness and the...
Polymorphism in M(H2PO2)3 (M = V, Al, Ga) compounds with the perovskite-related ReO3 structure.
Hayden A Evans, Zeyu Deng, Ines E Collings, Yue Wu, Jessica L Andrews, Kartik Pilar, Joshua M Tuffnell, Guang Wu, John Wang, Siân E Dutton, Paul D Bristowe, Ram Seshadri, Anthony K Cheetham
Feb 18, 2019
Trivalent metal hypophosphites with the general formula M(H2PO2)3 (M = V, Al, Ga) adopt the ReO3 structure, with each compound displaying two structural polymorphs. High-pressure synchrotron X-ray studies reveal a...
'The war whose bullets you don’t see’
This paper reflects critically on the transformational impacts the recent Ebola epidemic has had in diamond-rich areas of rural Sierra Leone. It focuses specifically on the country's ‘diggers’, a sizable group of labourers who...
Boron-Doped Diamond Dual-Plate Microtrench Electrode for Generator-Collector Chloride/Chlorine Sensing
A novel generator-collector dual-plate boron-doped diamond microtrench sensor is fabricated and its operation demonstrated for chloride/chlorine detection in the harsh anodic potential range. Detection is made sensitive by...
Thomas M. Rivers, 1934
The Rockefeller University
Jan 01, 0001
Dr. Thomas M. Rivers. Filterable Viruses with Particular Reference to Psittacosis
Lecture delivered April 19th, 1934
Posted with permission
Published by: The Williams & Wilkins Company
Investigating Students' Intention to Use M-Learning
Mohammed Almulla
Jan 01, 2024
Mobile learning (M-learning) has become a crucial tool for both students and educators. The unified theory of acceptance and use of technology (UTAUT), the technology acceptance model (TAM), and outside factors were all included...
Published by: IGI Global Scientific Publishing
Digital M&A and Firm Innovation
This study empirically examines how digital M&A affects firm innovation using data from Chinese listed companies from 2006 to 2019. The results show that digital M&A promotes firm innovation, and our findings also suggest that...
Published by: IGI Global Scientific Publishing
JEFFREY M. FRIEDMAN
The Rockefeller University
Jan 01, 0001
congratulations to Professor Jeffrey M. Friedman, recipient of the 2010 Albert Lasker Basic Medical Research Award
Published by: The Rockefeller University
Magnetically enhanced plasma coating of nanostructures with ultrathin diamond-like carbon films
Diamond-like carbon (DLC) films are widely used as protective coatings
in a variety of technicalmacro- and micro-applications. However,
most of the widely-used coating methods are not suitable for...
in a variety of technicalmacro- and micro-applications. However,
most of the widely-used coating methods are not suitable for...
High voltage sulphate cathodes Li<sub>2</sub>M(SO<sub>4</sub>)<sub>2</sub> (M = Fe, Mn, Co)
The search for high voltage cathodes for lithium-ion batteries has led to recent interest in the monoclinic Li2Fe(SO4)2 material which has a voltage of 3.83 V vs. lithium, the highest recorded for a fluorine-free iron-based...
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