Results 11 to 20 of about 4,237 (117)

Photochemical Micro-/Nano-Swelling of Silicone Rubber Induced by Long Pulse-Repetition Interval of an ArF Excimer Laser

open access: yesElectronic Materials, 2021
Long pulse-repetition intervals of 100 to 500 ms of a 193 nm ArF excimer laser successfully increased the height of the photochemical micro-/nano-swelling of silicone rubber, observed with a scanning electron microscope.
Masayuki Okoshi
doaj   +1 more source

Breaking the Boring Billion

open access: yesGeophysical Monograph Series, Page 487-501., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Charles W. Diamond   +3 more
wiley  

+1 more source

Nanoscale Vacancy-Mediated Aggregation, Dissociation, and Splitting of Nitrogen Centers in Natural Diamond Excited by Visible-Range Femtosecond Laser Pulses

open access: yesNanomaterials, 2023
Natural IaA+B diamonds were exposed in their bulk by multiple 0.3 ps, 515 nm laser pulses focused by a 0.25 NA micro-objective, producing in the prefocal region (depth of 20–50 μm) a bulk array of photoluminescent nanostructured microtracks at variable ...
Sergey Kudryashov   +9 more
doaj   +1 more source

Fabrication of Superhydrophobic Silicone Rubber with Periodic Micro/Nano-Suction Cup Structure by ArF Excimer Laser-Induced Photodissociation

open access: yesNanomaterials, 2019
A 193-nm ArF excimer laser was used to induce the photodissociation of Si–O bonds of silicone rubber in order to fabricate a periodic micro/nano-suction cup silicone structure, approximately 1 μm in diameter and 2 μm in height at regular intervals of 2.5
Masayuki Okoshi
doaj   +1 more source

Vibrationally mediated photodissociation dynamics of pyrrole

open access: yesAIP Advances, 2019
We investigate photodissociation of vibrationally excited pyrrole molecules in a velocity map imaging experiment with IR excitation of N–H bond stretching vibration v1 = 1, νIR= 3532 cm−1, and UV photodissociation at λUV= 243 nm. In the IR+UV experiment,
Kateryna Grygoryeva   +5 more
doaj   +1 more source

Formation of a gate dielectric of nanometer thickness by rapid thermal treatment

open access: yesДоклады Белорусского государственного университета информатики и радиоэлектроники, 2021
Investigations of the thickness and optical characteristics of thin SiO2 films obtained by one-, two-, or three-stage rapid thermal processing (RTP) at atmospheric pressure, pulses of 6, 12, and 20 s duration have been carried out.
N. S. Kovalchuk   +4 more
doaj   +1 more source

Selective photodissociation of tailored molecular tags as a tool for quantum optics

open access: yesBeilstein Journal of Nanotechnology, 2017
Recent progress in synthetic chemistry and molecular quantum optics has enabled demonstrations of the quantum mechanical wave–particle duality for complex particles, with masses exceeding 10 kDa.
Ugur Sezer   +7 more
doaj   +1 more source

Experimental Study of the Laser-Induced Oxyhemoglobin Photodissociation in Cutaneous Blood Vessels

open access: yesActa Medica Bulgarica, 2015
A new optical method for reduction of local tissue hypoxia is proposed. It is shown that this method of phototherapy allows the control of a local oxygen concentration in tissue.
Gisbrecht Alexander, Mamilov S.
doaj   +1 more source

An ion trap source of cold atomic hydrogen via photodissociation of the BaH+ molecular ion

open access: yesNew Journal of Physics, 2022
I present a novel scheme for producing cold (magnetically trappable) atomic hydrogen, based on threshold photodissociation of the BaH ^+ molecular ion.
S A Jones
doaj   +1 more source

Jitter-correction for IR/UV-XUV pump-probe experiments at the FLASH free-electron laser

open access: yesNew Journal of Physics, 2017
In pump-probe experiments employing a free-electron laser (FEL) in combination with a synchronized optical femtosecond laser, the arrival-time jitter between the FEL pulse and the optical laser pulse often severely limits the temporal resolution that can
Evgeny Savelyev   +35 more
doaj   +1 more source

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