Results 101 to 110 of about 7,892,925 (256)

Ballistic Head Protection in the Light of Injury Criteria in the Case of the Wz.93 Combat Helmet

open access: yesApplied Sciences, 2019
This paper discusses the general conditions relating to ballistic head protection, analyzing the risks that may occur on contemporary battlefields. A thorough literature review has enabled us to present development trends for helmets used in the largest ...
Krzysztof Jamroziak   +6 more
doaj   +1 more source

Strategy for One‐Step Optimization of Metal Oxide Passivating Contact Materials for Si Heterojunction Solar Cells through Growth Angle Variation

open access: yesSmall, EarlyView.
A one‐step oblique angle reactive sputtering approach enables simultaneous tuning of bulk and interfacial stoichiometry in a metal oxide/ silicon heterojunction. In case of vanadium oxides, growth angle variation controls the formation of stoichiometric SiO2, ternary SiOx(V) interlayer, and phase purity of vanadium oxide, considerably simplifying the ...
Aparajita Mandal   +3 more
wiley   +1 more source

Measuring the strength of brittle materials by depth-of-penetration testing [PDF]

open access: yes, 2010
Based on an energy conservation model, the strength offered by a number of brittle materials has been calculated from depth-of-penetration (DOP) test results. Each material was completely penetrated by a tungsten carbide cored projectile of known kinetic
Hazell, Paul J., P J Hazell
core   +1 more source

Preventing Plasma‐Induced Resist Hardening in Molybdenum Disulfide Transistors via Sacrificial Metal Mask Lithography

open access: yesSmall, EarlyView.
Photoresist (PR) residue significantly degrades the electrical performance of 2D semiconductors such as MoS2. In particular, the intrinsically ultrathin nature of these materials makes them highly susceptible to damage during conventional PR cleaning procedures.
Dahyeon Kim   +9 more
wiley   +1 more source

VHDL-AMS implementation of a numerical ballistic CNT model for logic circuit simulation

open access: yes, 2008
This paper introduces a novel numerical carbon nanotube transistor (CNT) modelling approach which brings in a flexible and efficient cubic spline non-linear approximation of the non-equilibrium mobile charge density.
Zhou, Dafeng   +2 more
core   +2 more sources

Anisotropy Thermal Properties of Electrically Insulating Thin Films and Sheets: A Review

open access: yesSmall Methods, EarlyView.
Thermally conducting and electrically insulating materials with anisotropy properties play an integral role in advanced thermal management, in particular for electronic devices. This review discusses recent progress in enhancing thermal conductivity and controlling the thermal anisotropy between in‐plane and cross‐plane (through‐thickness) directions ...
Shanmukhi Sripada   +3 more
wiley   +1 more source

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