Results 11 to 20 of about 4,229,304 (330)
High‐Aspect‐Ratio Nanostructured Surfaces as Biological Metamaterials [PDF]
Advanced Materials, 2020 Materials patterned with high‐aspect‐ratio nanostructures have features on similar length scales to cellular components. These surfaces are an extreme topography on the cellular level and have become useful tools for perturbing and sensing the cellular ...
S. Higgins +5 more
semanticscholar +8 more sources
Self-shrinking soft demoulding for complex high-aspect-ratio microchannels [PDF]
Nature Communications, 2022 Microchannels are the essential elements for the design of artificial devices but the fabrication of three dimensional (3D) microchannels with complex geometry and a high aspect ratio remains challenging.
Dongliang Fan +11 more
doaj +3 more sources
Reversibly Photoswitchable High‐Aspect Ratio Surfaces
Small Structures, 2023 Herein, the fabrication of light‐sensitive high‐aspect ratio surfaces with switchable topography using melt‐electrowriting of shape‐memory polymers and deposition of light‐to‐heat converting black ink on it by dip coating is reported on.
Gissela Constante +4 more
doaj +4 more sources
High-aspect-ratio nanostructured hydroxyapatite: towards new functionalities for a classical material. [PDF]
Chem Sci, 2023 Hydroxyapatite-based materials have been widely used in countless applications, such as bone regeneration, catalysis, air and water purification or protein separation.
Diez-Escudero A, Espanol M, Ginebra MP.
europepmc +2 more sources
High aspect ratio organic light-emitting diodes [PDF]
Nature CommunicationsReliability is particularly challenging for organic light-emitting diodes (OLEDs) used in solid-state lighting applications, because OLED lifetime is inversely proportional to luminance, and most lighting applications demand high luminance.
Binyu Wang +9 more
doaj +2 more sources
Flow study of Dean’s instability in high aspect ratio microchannels [PDF]
Scientific Reports, 2023 Dean’s flow and Dean’s instability have always been important concepts in the inertial microfluidics. Curved channels are widely used for applications like mixing and sorting but are limited to Dean’s flow only.
Yu Ching Wong +5 more
doaj +2 more sources
Black Silicon with high density and high aspect ratio nanowhiskers [PDF]
Nanotechnology, 2011 Physical properties of black Silicon (b-Si) formed on Si wafers by reactive ion etching in chlorine plasma are reported in an attempt to clarify the formation mechanism and the origin of the observed optical and electrical phenomena which are promising ...
Anguita J V +17 more
core +4 more sources
Ultrafast Laser Processing for High-Aspect-Ratio Structures [PDF]
NanomaterialsOver the past few decades, remarkable breakthroughs and progress have been achieved in ultrafast laser processing technology. Notably, the remarkable high-aspect-ratio processing capabilities of ultrafast lasers have garnered significant attention to ...
Muyang Qin +6 more
doaj +2 more sources
High aspect ratio diamond nanosecond laser machining. [PDF]
Appl Phys A Mater Sci Process, 2023 AbstractLaser processing of diamond has become an important technique for fabricating next generation microelectronic and quantum devices. However, the realization of low taper, high aspect ratio structures in diamond remains a challenge. We demonstrate the effects of pulse energy, pulse number and irradiation profile on the achievable aspect ratio ...
Golota NC +7 more
europepmc +4 more sources
Increasing the Stability of Isolated and Dense High-Aspect-Ratio Nanopillars Fabricated Using UV-Nanoimprint Lithography [PDF]
Nanomaterials, 2023 Structural anti-reflective coating and bactericidal surfaces, as well as many other effects, rely on high-aspect-ratio (HAR) micro- and nanostructures, and thus, are of great interest for a wide range of applications.
Michael J. Haslinger +8 more
doaj +2 more sources