Results 21 to 30 of about 10,678 (226)

Excimer laser refractive surgery rate in Iran: 2010–2014

open access: yesJournal of Current Ophthalmology, 2018
Purpose: To determine the rate of excimer laser refractive surgery in Iran and its trend during 2010–2014, and the number of surgeries per ophthalmologist.
Hassan Hashemi   +5 more
doaj   +1 more source

Understanding the effects of excimer laser treatment on corrosion behavior of biodegradable Mg-1Ca alloy in simulated body fluid

open access: yesJournal of Magnesium and Alloys, 2022
In this study, a KrF excimer laser was used to modify the biodegradable Mg-1Ca alloy and the time-evolution degradation behavior of the alloy before and after laser treatment was investigated in simulated body fluid (SBF) solution using immersion tests ...
Yuxiang Liu   +3 more
doaj   +1 more source

Spatially Modulated Morphotropic Phase Boundaries in a Compressively Strained Multiferroic Thin Film

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT The coexisting rhombohedral‐like (R′, MA) and tetragonal‐like (T′, MC) monoclinic phases in compressively strained bismuth ferrite thin films exhibit exceptional piezoelectric and magnetic properties. While previous studies have largely focused on probing the morphotropic phase boundaries (MPBs) comprising ordered R′/T′ twins, their self ...
Ting‐Ran Liu   +7 more
wiley   +1 more source

Excimer laser therapy and narrowband ultraviolet B therapy for exfoliative cheilitis

open access: yesInternational Journal of Women's Dermatology, 2015
Background: Exfoliative cheilitis is a condition of unknown etiology characterized by hyperkeratosis and scaling of vermilion epithelium with cyclic desquamation.
Bhavnit K. Bhatia, BA   +2 more
doaj   +1 more source

Achieving High ON State Current through Ferroelectric Polarization‐Dependent Interfacial Resistance Switching in Undoped Orthorhombic HfO2 Films

open access: yesAdvanced Functional Materials, EarlyView.
Ferroelectric tunnel junction devices based on epitaxial undoped ferroelectric HfO2 films demonstrate stable switching endurance of over 106 switching cycles, low write voltages of ±3 V, 16 measured resistance states, and neuromorphic capability.
Markus Hellenbrand   +13 more
wiley   +1 more source

Quantifying Subsurface Weak in‐Plane Magnetization of Mixed Phase BiFeO3 by Scanning Nitrogen Vacancy Magnetometry

open access: yesAdvanced Functional Materials, EarlyView.
We use scanning nitrogen vacancy magnetometry to directly image the weak in‐plane magnetic moments in mixed phase BiFeO3 at the nanoscale and quantify the local magnetic moments to be 18.8±2.0 μB/nm2 in the rhombohedral‐like phase and 1.5±0.6 μB/nm2 in the well‐known non‐magnetic tetragonal‐like phase.
Lei Wang   +14 more
wiley   +1 more source

Electrohydrodynamic excimer laser: Ultra-compact system and laser energy performance dynamics

open access: yesAPL Photonics
Excimer lasers, essential deep ultraviolet gas light sources, have consistently encountered significant challenges in achieving miniaturization while maintaining high performance. These challenges have limited their broader application and development in
Jin-Liang Han   +6 more
doaj   +1 more source

Nd:YAG fourth harmonic (266-nm) generation for corneal reshaping procedure: An ex-vivo experimental study.

open access: yesPLoS ONE, 2021
Corneal reshaping is a common medical procedure utilized for the correction of different vision disorders relying on the ablation effect of the UV pulsed lasers, especially excimer lasers (ArF) at 193 nm.
Ibrahim Abdelhalim   +3 more
doaj   +1 more source

Glissile Interphase Boundaries Enable Collective Phase Switching in Epitaxial Polar Oxides

open access: yesAdvanced Functional Materials, EarlyView.
A triple point is identified in the phase diagram of low‐symmetry epitaxial BiFeO3 thin film along with an extended regime of phase competition associated with a flattened energy landscape. The electromechanical response is shown to be governed by correlated interphase‐boundary motion, including scale‐free avalanche dynamics characteristic of systems ...
Mohammad Moein Seyfouri   +11 more
wiley   +1 more source

EXCIMER LASER

open access: yesThe Professional Medical Journal, 2008
Objectives: To evaluate the efficacy and safety of excimer laserphotorefractive keratectomy for myopia in Pakistani people. Design: Prospective study. Setting: At Al-Shifa Trust EyeHospital Rawalpindi. Period: October, 1995 and Febrauray, 1996. Material & Methods: The study group of thirteenpatients, comprises of 25 eyes, with refractive error ...
M. ABDUL MOQEET, IMRAN AZAM BUTT
openaire   +2 more sources

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