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   Articles with "mbar" as a keyword



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Stability of a non-applanating handheld liquid patient interface for femtosecond laser-assisted cataract surgery

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recommendations! Published in 2020 at "International Ophthalmology"

DOI: 10.1007/s10792-020-01450-0

Abstract: Purpose A stable and reliable vacuum is crucial for the correct planning and performance of femtosecond laser-assisted cataract surgery (FLACS) in order to avoid complications such as suction loss and cyclorotation. This study investigates, for… read more here.

Keywords: femtosecond laser; mbar; stability; patient interface ... See more keywords
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Semi-insulating GaN for vertical structures: role of substrate selection and growth pressure

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recommendations! Published in 2020 at "Materials Science in Semiconductor Processing"

DOI: 10.1016/j.mssp.2020.105203

Abstract: Abstract Samples comprising 1.3 μm-thick C-doped semi-insulating (SI) GaN layer sandwiched between two n-GaN layers were grown on sapphire or conductive GaN substrates by metal-organic chemical vapor phase epitaxy at varied reactor pressure between 100 and… read more here.

Keywords: mbar; gan substrate; grown gan; pressure ... See more keywords
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Impact of selenization pressure on the micro-structural properties of Cu2ZnSnSe4 thin films

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recommendations! Published in 2017 at "Superlattices and Microstructures"

DOI: 10.1016/j.spmi.2017.08.035

Abstract: Abstract The Cu 2 ZnSnSe 4 (CZTSe) thin films were prepared by a two-step process consisting of high vacuum sequential evaporation of precursors stack (Sn/Se/ZnSe/Se/Cu/Se) in 4-folds followed by selenization at 350 °C in tubular furnace… read more here.

Keywords: selenization pressure; thin films; 600 mbar; mbar ... See more keywords
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Stochastic Approximation to MBAR and TRAM: Batchwise Free Energy Estimation.

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recommendations! Published in 2022 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.2c00976

Abstract: The dynamics of molecules are governed by rare event transitions between long-lived (metastable) states. To explore these transitions efficiently, many enhanced sampling protocols have been introduced that involve using simulations with biases or changed temperatures.… read more here.

Keywords: tram; mbar tram; stochastic approximation; mbar ... See more keywords
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Fast Solver for Large Scale Multistate Bennett Acceptance Ratio Equations.

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recommendations! Published in 2019 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.8b01010

Abstract: The multistate Bennett acceptance ratio method (MBAR) and unbinned weighted histogram analysis method (UWHAM) are widely employed approaches to calculate relative free energies of multiple thermodynamic states that gain statistical precision by employing free energy… read more here.

Keywords: large scale; mbar uwham; uwham equations; multistate bennett ... See more keywords
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Nano-optomechanical Resonators for Sensitive Pressure Sensing.

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recommendations! Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c09865

Abstract: Nanomechanical sensors made from suspended graphene are sensitive to pressure changes. However, these devices typically function by obtaining an electrical signal based on the static displacement of a suspended graphene membrane and so, in practice,… read more here.

Keywords: sensitive pressure; graphene; pressure; range ... See more keywords
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Recreating Giants Impacts in the Laboratory: Shock Compression of MgSiO3 Bridgmanite to 14 Mbar

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recommendations! Published in 2020 at "Geophysical Research Letters"

DOI: 10.1029/2019gl085476

Abstract: Understanding giant impacts requires accurate description of how extreme pressures and temperatures affect the physical properties of the constituent materials. Here, we report shock experiments on two polymorphs of MgSiO 3 : enstatite and bridgmanite… read more here.

Keywords: density; mbar; recreating giants; shock ... See more keywords
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Impact of Patient Interface Diameter and Vacuum Level on Suction Stability Using a Flat Applanating Interface for Femtosecond Laser-Assisted LASIK

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recommendations! Published in 2019 at "Current Eye Research"

DOI: 10.1080/02713683.2019.1701688

Abstract: ABSTRACT Purpose To investigate the impact of different patient interface (PI) diameters and different vacuum levels on the suction stability during vacuum application for femtosecond laser-assisted LASIK. Methods Break-away forces as a marker for suction… read more here.

Keywords: suction; break away; vacuum; suction stability ... See more keywords
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Opposed type double stage cell for Mbar pressure experiment with large sample volume

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recommendations! Published in 2020 at "High Pressure Research"

DOI: 10.1080/08957959.2019.1710744

Abstract: ABSTRACT A new opposed type double-stage large volume cell has been developed to compress large volume samples to more than 100 GPa (Mbar) pressure. A pair of second-stage diamond anvils is introduced into the first-stage Paris–Edinburgh… read more here.

Keywords: cell; volume; double stage; mbar ... See more keywords