Results 151 to 160 of about 3,175 (213)

Wafer‐Scale Near‐Infrared Metalenses With High Performance and Low Cost

Nanophotonics, Volume 15, Issue 16, 26 August 2026.
Widespread adoption of metalenses is constrained by prohibitive cost of wafer‐level fabrication. This work achieves 8‐inch wafer‐level fabrication with high uniformity (feature deviation < 5%) and reliable performance by step‐and‐repeat nanoimprint lithography.
Wanjiao Zhang, Meng Wang, Yunxiao Cai, Qiu Wang, Yuan Wang, Lu Han   +5 more
wiley   +1 more source

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N2O–Ar and N2O–Kr: Intermolecular vibrations of N2O–Kr and symmetry breaking of the N2O bending mode in the presence of a rare gas

Journal of Molecular Spectroscopy, 2022
Abstract Rotationally-resolved infrared spectra of N2O–Ar and N2O–Kr are studied in the region of the N2O ν1 vibration (≈ 2224 cm-1) using a tunable Quantum Cascade laser source to probe a pulsed supersonic jet. The N2O–Kr ν1 fundamental band is re-analyzed, together with previous ν3 band data, using a unified scheme to fit the (small) observed Kr ...
C. Gergess, M. Dehghany, K.H. Michaelian, A.R.W. McKellar, N. MoazzenAhmadi   +4 more
openaire   +1 more source

Theoretical line widths in N2O-N2O and N2O-air collisions

Journal of Quantitative Spectroscopy and Radiative Transfer, 1971
Abstract Rotational half-widths have been computed at 220°K, 250°K, 280°K, and 300°K for air-broadened absorption lines of N2O using the Anderson-Tsao-Curnutte theory. The new results are compared with previously available estimates at 300°K. Self-broadened line widths have also been computed at 300°K; good agreement has been obtained with Goody's ...
G.D.T. Tejwani, P. Varanasi
openaire   +1 more source

New combination bands of N2O-CO2, N2O-OCS, and N2O-N2 complexes in the N2O ν1 region

The Journal of Chemical Physics, 2014
Spectra of the weakly bound complexes N2O-CO2, N2O-OCS, and N2O-N2 were studied in the region of the ν1 fundamental of N2O (∼2224 cm−1) using a tunable quantum cascade laser to probe a pulsed supersonic jet expansion with an effective rotational temperature of about 2.5 K.
M, Rezaei, K H, Michaelian, N, Moazzen-Ahmadi   +2 more
openaire   +2 more sources

PVTx measurements for N2O+CH3F, N2O+CH2F2, and N2O+CHF3 binary systems

Fluid Phase Equilibria, 2005
Abstract Isochoric PVTx measurements have been performed for the binary system of nitrous oxide + CH 3 F (R41), +CH 2 F 2 (R32), and +CHF 3 (R23) using a new experimental set-up. The experiments covered both the two-phase region and the superheated vapor region and were performed within the temperature range 214–358 K and within a pressure range ...
G. Di Nicola, G. Giuliani, F. Polonara, R. Stryjek   +3 more
openaire   +1 more source

Photofragmentation dynamics of the (N2O)2+ and (N2O)3+ clusters: fragment N2O+ A ← X spectra

Chemical Physics, 1998
Abstract Rovibrational distributions of N2O+ fragments resulting from the direct 640 nm photodissociation of mass-selected (N2O)2+ and (N2O)3+ clusters have been measured in a tandem mass spectrometer apparatus, via the A 2 Σ + ← X 2 Π predissociative transition of N2O+.
Sergey A. Nizkorodov, Evan J. Bieske
openaire   +1 more source

N2O Volumes Absorbed and Excreted During N2O Anesthesia in Children

Anesthesia & Analgesia, 1976
Exhaled volumes were measured in 8 children during uptake and elimination of 3 percent and 75 percent N2O, using a volume-controlled ventilator. Absorption of 75 percent N2O during induction reduced the exhaled minute volume, which fell a mean of 16 percent in the 1st or 2nd minute and returned to normal by 15 to 20 minutes.
E, Salanitre, H, Rackow
openaire   +2 more sources

Rovibrational spectra of nonpolar (N2O)2 and Ar–N2O complexes in the 2v2 overtone region of N2O

Journal of Molecular Spectroscopy, 2021
Abstract Rovibrational spectra of Ar–N2O and nonpolar (N2O)2 van der Waals complexes have been recorded from 1157.2 to 1176.7 cm−1 in 2v2 overtone band region of N2O monomer using an external-cavity quantum cascade laser to probe the direct absorption in a slit supersonic jet expansion. One a/b hybrid vibrational band was identified for nonpolar (N2O)
Xiang Li, Zhuang Liu, Chuanxi Duan
openaire   +1 more source

Catalytic decomposition of N2O and catalytic reduction of N2O and N2O + NO by NH3 in the presence of O2 over Fe-zeolite

Applied Catalysis B: Environmental, 2003
The decomposition of N2O, and the catalytic reduction by NH3 of N2O and N2O + NO, have been studied on Fe-BEA, -ZSM-5 and -FER catalysts. These catalysts were prepared by classical ion exchange and characterized by TPR after various activation treatments.
Guzman-Vargas, Ariel, Delahay, Gerard, Coq, Bernard   +2 more
openaire   +1 more source

Temporal in situ dynamics of N2O reductase activity as affected by nitrogen fertilization and implications for the N2O/(N2O + N2) product ratio and N2O mitigation

Biology and Fertility of Soils, 2017
In vitro, high nitrate (NO3 −) concentrations significantly inhibit N2O reductase activity. However, little information is available on the in situ temporal effects of excessive N fertilization on soil N2O reductase activity and the regulation of the N2O/(N2 + N2O) product ratio in agricultural soil.
Shuping Qin, Keren Ding, Tim J. Clough, Chunsheng Hu, Jiafa Luo   +4 more
openaire   +1 more source