Results 41 to 50 of about 37,943 (215)

Data‐Driven Discovery of Quaternary Ammonium Interlayers for Efficient and Thermally Stable Perovskite Solar Cells

Advanced Materials, EarlyView.
An active learning framework, grounded in independently generated in‐house experimental data, enables reliable discovery of high‐performance interfacial materials for perovskite solar cells. Iterative model refinement autonomously converges toward structurally robust quaternary ammonium architectures, establishing a new design principle for interfacial
Jongbeom Kim, Yang Jeong Park, Chaehoon Jeon, Nahye Shin, Jaewang Park, Seungun Lee, Jino Im, Sungroh Yoon, Sang Il Seok   +8 more
wiley   +1 more source

Frequency stability of a wavelength meter and applications to laser frequency stabilization [PDF]

, 2015
Interferometric wavelength meters have attained frequency resolutions down to the MHz range. In particular, Fizeau interferometers, which have no moving parts, are becoming a popular tool for laser characterization and stabilization.
Didier, Alexandre, Kersalé, Yann, Lacroûte, Clément, Millo, Jacques, Saleh, Khaldoun   +4 more
core   +2 more sources

Reduced‐Graphene Oxide Nanofiltration Membranes Intercalated by Conjugated Polyaromatics: Towards High Monovalent Salt Rejections

Advanced Science, EarlyView.
We demonstrate the fabrication of a series of reduced‐GO nanofiltration membranes containing intercalated polyaromatic conjugated molecules of different structural classes. These tuned‐nanochannel membranes perform “deep nanofiltration” with remarkably high monovalent salt rejections and near‐total divalent salt rejections in a large concentration ...
Muskan Sonker, Sankar Nair
wiley   +1 more source

Influences of ambient temperature on temperature field and mechanical behaviors of underground pipe galleries

Yantu gongcheng xuebao
Seasonal temperature changes in the seasonal frozen areas have a significant impact on the engineering application performance of the underground pipe galleries.
CUI Feilong 1, YANG Junchao 2, WANG Jinshang 1, ZHANG Yatao 3, LI Lihua 4
doaj   +1 more source

Determination of the vacuum optomechanical coupling rate using frequency noise calibration

, 2010
The strength of optomechanical interactions in a cavity optomechanical system can be quantified by a vacuum coupling rate $\vcr$ analogous to cavity quantum electrodynamics.
A. Schliesser, Anetsberger, Arcizet, Braginsky, Braginsky, Braginsky, Braginsky, Callen, Carmon, Caves, Dobrindt, Drever, Eichenfield, G. Anetsberger, Gigan, Gillespie, Gorodetsky, Gröblacher, Hadjar, Hofer, Hänsch, Ilchenko, Jayich, Johnson, Kippenberg, Kippenberg, Lai, Law, M. L. Gorodetsky, Ma, Marquardt, Marquardt, Pinard, Regal, Rokhsari, S. Deleglise, Saulson, Schliesser, Schliesser, T. J. Kippenberg, Vahala, Wilson-Rae   +41 more
core   +1 more source

The application of thermal analysis to the study of epoxy–clay nanocomposites [PDF]

, 2016
This is a copy of the author 's final draft version of an article published in the journal Journal of thermal analysis and calorimetry. The final publication is available at Springer via http://dx.doi.org/10.1007/s10973-016-5278-0The development of ...
Hutchinson, John M.
core   +2 more sources

In Situ Electrochemical Activation of Pseudo‐Layered NbS3 via Interlayer Expansion and Dual Redox for High Mg‐Ion Storage

Advanced Science, EarlyView.
A quasi‐1D pseudo‐layered NbS3 cathode for magnesium‐ion batteries can be created through electrochemically induced interlayer expansion. The widened ion‐transport channels enable fast magnesium ion diffusion and unlock coupled cationic‐anionic redox chemistry.
Pengcheng Jing, Atsushi Inoishi, Chengcheng Zhao, Eiichi Kobayashi, Peng Ren, Isaac Abrahams, Duncan H. Gregory   +6 more
wiley   +1 more source

Theoretical framework for thin film superfluid optomechanics: towards the quantum regime

New Journal of Physics, 2016
Excitations in superfluid helium represent attractive mechanical degrees of freedom for cavity optomechanics schemes. Here we numerically and analytically investigate the properties of optomechanical resonators formed by thin films of superfluid ^4 He ...
Christopher G Baker, Glen I Harris, David L McAuslan, Yauhen Sachkou, Xin He, Warwick P Bowen   +5 more
doaj   +1 more source

Recent Advances in Stimulated Brillouin Scattering in Integrated Photonics

Advanced Physics Research, EarlyView.
This review systematically surveys recent advances in stimulated Brillouin scattering (SBS) within integrated photonics. It begins by elucidating the fundamental mechanisms of stimulated coupling between photons and acoustic phonons in nanoscale waveguides, enhanced by the photoelastic and moving boundary effects.
Songyue Liu, Qi Lu, Pan Hu, Yuan Zhong, Yu He, Yaojing Zhang, Young‐Ik Sohn, Yikai Su, Lu Sun   +8 more
wiley   +1 more source

Phonon laser action in a tunable, two-level photonic molecule

, 2009
The phonon analog of an optical laser has long been a subject of interest. We demonstrate a compound microcavity system, coupled to a radio-frequency mechanical mode, that operates in close analogy to a two-level laser system. An inversion produces gain,
Hansuek Lee, Ivan S. Grudinin, Kerry J. Vahala, M. Eichenfeld, O. Painter, V. B. Braginsky   +5 more
core   +1 more source