Results 81 to 90 of about 73,664 (313)

Functional Materials for Environmental Energy Harvesting in Smart Agriculture via Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
This review explores functional and responsive materials for triboelectric nanogenerators (TENGs) in sustainable smart agriculture. It examines how particulate contamination and dirt affect charge transfer and efficiency. Environmental challenges and strategies to enhance durability and responsiveness are outlined, including active functional layers ...
Rafael R. A. Silva   +9 more
wiley   +1 more source

RF reactor with asymmetrical electrodes for reactive ion etching of semiconductors [PDF]

open access: yesТехнологія та конструювання в електронній апаратурі, 2011
Results of experimental and theoretical study of RF CCP reactor for reactive ion etching of semiconductors are presented. Breakdown curve and domain of the discharge existence are measured in various gases (argon, fluorocarbon, oxygen).
S. V. Dudin   +3 more
doaj   +1 more source

Ga+ beam lithography for suspended lateral beams and nanowires [PDF]

open access: yes, 2010
The authors demonstrate the fabrication of suspended nanowires and doubly clamped beams by using a focused ion beam implanted Ga etch mask followed by an inductively coupled plasma reactive ion etching of silicon.
Henry, M. David   +2 more
core   +1 more source

Multicolor Optoelectronic Synapse Enabled by Photon‐Modulated Remote Doping in Solution‐Processed Van Der Waals Heterostructures

open access: yesAdvanced Functional Materials, EarlyView.
Multicolor optoelectronic synapses are realized by vertically integrating solution‐processed MoS2 thin‐film and SWCNT. The electronically disconnected but interactive MoS2 enables photon‐modulated remote doping, producing a bi‐directional photoresponse.
Jihyun Kim   +8 more
wiley   +1 more source

Low-pressure plasma-etching of bulk polymer materials using gas mixture of CF4 and O2

open access: yesAIP Advances, 2013
In this study, we have proposed a low-pressure reactive ion etching of bulk polymer materials with a gas mixture of CF4 and O2, and have achieved precise fabrication of poly(methyl methacrylate) (PMMA) and perfluoroalkoxy (PFA) bulk polymer plates with ...
Hirofumi Nabesawa   +6 more
doaj   +1 more source

Josephson junctions with centered step and local variation of critical current density

open access: yes, 2009
Superconductor-insulator-ferromagnet-superconductor (SIFS) Josephson tunnel junctions based on Nb\Al2O3\Ni\Cu\Nb stacks with a thickness step in the metallic NiCu interlayer were fabricated.
Weides, M.
core   +1 more source

Device Integration Technology for Practical Flexible Electronics Systems

open access: yesAdvanced Functional Materials, EarlyView.
Flexible device integration technologies are essential for realizing practical flexible electronic systems. In this review paper, wiring and bonding techniques critical for the industrial‐scale manufacturing of wearable devices are emphasized based on flexible electronics.
Masahito Takakuwa   +5 more
wiley   +1 more source

Characterization of GaN Nanorods Fabricated Using Ni Nanomasking and Reactive Ion Etching: A Top-Down Approach [PDF]

open access: yes, 2013
Large thermal mismatch between GaN surface and sapphire results in compressive stress in Gallium Nitride (GaN) layer which degrades the device performance.
Christiansen, S.   +4 more
core  

Using In Situ TEM to Understand the Surfaces of Electrocatalysts at Reaction Conditions: Single‐Atoms to Nanoparticles

open access: yesAdvanced Functional Materials, EarlyView.
This review summarizes recent advances in closed‐cell in situ TEM strategies for accurate determination of the activity and stability of single‐atom catalyst systems during operation. Operando conditions causing dynamic changes of SAC systems are highlighted and we explain why ensemble average‐based optical techniques may benefit from the technological
Martin Ek   +4 more
wiley   +1 more source

Parylene etching techniques for microfluidics and bioMEMS [PDF]

open access: yes, 2005
Parylene C (poly(monochloro-p-xylylene)) is a member of a unique family of thermoplastic, crystalline polymers. Compared to other polymers, parylene films are exceptionally conformal and chemically inert owing to its vapor deposition polymerization (VDP)
Meng, Ellis, Tai, Yu-Chong
core   +1 more source

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