Results 31 to 40 of about 3,887,393 (242)

Exploring optoelectronic properties and mechanisms of layered ferroelectric K4Nb6O17 nanocrystalline films and nanolaminas

Scientific Reports, 2017
Two-dimensional layered K4Nb6O17 (KN) was easily formed as a secondary phase caused by the volatilization of alkali metal ions, when preparing ferroelectric K x Na1−x NbO3 based ceramics and films.
Qinglin Deng, Mengjiao Li, Junyong Wang, Peng Zhang, Kai Jiang, Jinzhong Zhang, Zhigao Hu, Junhao Chu   +7 more
doaj   +1 more source

Optical spectroscopy [PDF]

, 2020
Contains fulltext : 228939.pdf (Publisher’s version ) (Open Access)
Schmidt, F.M., Metsälä, M., Apolonski, A., Cristescu, S.M.   +3 more
openaire   +1 more source

Integration methods for enhanced trapping and spectroscopy in optofluidics [PDF]

, 2012
“Lab on a Chip” technologies have revolutionized the field of bio-chemical analytics. The crucial role of optical techniques in this revolution resulted in the emergence of a field by itself, which is popularly termed as “optofluidics”.
Ashok, Praveen Cheriyan
core   +2 more sources

Effects of Assuming Constant Optical Scattering on Haemoglobin Concentration Measurements Using NIRS during a Valsalva Manoeuvre [PDF]

, 2011
Resolving for changes in concentration of tissue chromophores in the human adult brain with near-infrared spectroscopy has generally been based on the assumption that optical scattering and pathlength remain constant.
Cooper, CE, Cooper, Chris E, Marcus Gramer, Kohl-Bareis, Matthias, Terence S. Leung, Lei Gao, Gramer, Marcus, Leung, Terence S, Gao, L, Tachtsidis, I, Gao, Lei, Tachtsidis, Ilias, ElwellElwell, Clare E, Chris E. Cooper, Kohl-Bareis, M, Gramer, M, Elwell, CE, Clare E. ElwellElwell, Matthias Kohl-Bareis, Ilias Tachtsidis, Leung, TS   +20 more
core   +1 more source

Effect of Temperature on Luminescence of LiNbO₃ Crystals Single-Doped with Sm³⁺, Tb³⁺, or Dy³⁺ Ions

Crystals, 2020
Crystals of LiNbO3 single-doped with Sm3+, Tb3+, or Dy3+ and crystal of LiTaO3 single-doped with Tb3+ were grown by the Czochralski method. Luminescence spectra and decay curves for LiNbO3 samples containing Sm3+ or Dy3+ ions were recorded at different ...
Radosław Lisiecki, Bogusław Macalik, Robert Kowalski, Jarosław Komar, Witold Ryba-Romanowski   +4 more
doaj   +1 more source

Site-Specific Structural Changes in Long-Term-Stressed Monoclonal Antibody Revealed with DEPC Covalent-Labeling and Quantitative Mass Spectrometry

Pharmaceuticals, 2023
Studies of structural changes in mAbs under forced stress and storage conditions are essential for the recognition of degradation hotspots, which can be further remodeled to improve the stability of the respective protein.
Manasi Gaikwad, Florian Richter, Rabea Götz, Aline Dörrbaum, Lena Schumacher, Jason Tonillo, Christian Frech, Roland Kellner, Carsten Hopf   +8 more
doaj   +1 more source

Optical Spectroscopy of Molecular Positronium

Physical Review Letters, 2012
We report optical spectroscopic measurements of molecular positronium (Ps(2)), performed via a previously unobserved L=1 excited state. Ps(2) molecules created in a porous silica film, and also in vacuum from an Al(111) crystal, were resonantly excited and then photoionized by pulsed lasers, providing conclusive evidence for the production of this ...
Cassidy, DB, Hisakado, TH, Tom, HWK, Mills, AP   +3 more
openaire   +4 more sources

Sequential electrodeposition of Cu–Pt bimetallic nanocatalysts on boron-doped diamond electrodes for the simple and rapid detection of methanol

Scientific Reports, 2021
In this work, a novel electrochemical sensor for methanol determination was established by developing a bimetallic catalyst with superiority to a monometallic catalyst.
Surinya Traipop, Abdulhadee Yakoh, Sakda Jampasa, Sudkate Chaiyo, Yuttanant Boonyongmaneerat, Joongjai Panpranot, Piyasan Praserthdam, Orawon Chailapakul   +7 more
doaj   +1 more source

Optical Absorption and Raman Spectroscopy Study of the Fluorinated Double-Wall Carbon Nanotubes [PDF]

, 2006
Double-wall carbon nanotube (DWNT) samples have been fluorinated at room temperature with varied concentration of a fluorinating agent BrF3. Content of the products estimated from X-ray photoelectron data was equal to CF0.20 and CF0.29 in the case of ...
Flahaut, Emmanuel, Bulusheva, Lyubov Gennadievna, Yudanov, Nikolay Fedorovich, Surovtsev, N. V., Pugachev, A. M., Yushina, I. V., Gevko, Pavel N., Grachev, K. A., Okotrub, Alexander Vladimirovich   +8 more
core   +1 more source

All-Normal-Dispersion Mode-Locked Fiber Laser With a Tunable Angle-Spliced Polarization-Maintaining Fiber Lyot Filter

IEEE Photonics Journal, 2021
We have proposed and implemented an all-polarization-maintaining mode-locked fiber laser operating in all-normal-dispersion regime based on nonlinear amplifying loop mirror.
Zhengru Guo, Qiang Hao, Kun Huang, Heping Zeng   +3 more
doaj   +1 more source