Results 291 to 300 of about 3,089,831 (323)

Enhanced Switching Performance in Single‐Crystalline PbTiO3 Ferroelectric Memristors for Replicating Synaptic Plasticity

Advanced Functional Materials, EarlyView.
This study demonstrated single‐crystalline PbTiO3‐based memristors with atomically sharp interfaces, well‐ordered lattices, and minimal lattice mismatch. The devices exhibited an ON/OFF ratio exceeding 105, high stability, and rich resistance‐state modulation.
Haining Li, Zhiqiang Liao, Risa Kataoka, Md Sarker Shamim, Takeshi Kijima, Hiroyasu Yamahara, Hitoshi Tabata, Munetoshi Seki   +7 more
wiley   +1 more source

CO2 Reduction on Copper‐Nitrogen‐Doped Carbon Catalysts Tuned by Pulsed Potential Electrolysis: Effect of Pulse Potential

Advanced Functional Materials, EarlyView.
This study demonstrates that pulsed potential electrolysis significantly improves CO2 reduction performance on copper‐nitrogen doped carbon electrodes. The formation of cationic copper sites and metallic clusters as a function of applied intermittent potential leads to notable selectivity changes compared to potentiostatic reduction.
Dorottya Hursán, Janis Timoshenko, Andrea Martini, Hyo Sang Jeon, Eduardo Ortega, Martina Rüscher, Arno Bergmann, Aram Yoon, Uta Hejral, Antonia Herzog, Clara Rettenmaier, Felix T. Haase, Philipp Grosse, Beatriz Roldan Cuenya   +13 more
wiley   +1 more source

Colloidal Opaline Composites as Throughput‐Scalable, Fully Transparent, and Color‐Tunable Radiative Cooling Exterior Films for Outdoor Photovoltaics

Advanced Functional Materials, EarlyView.
Particular thermal metamaterials are widely used as daytime radiative coolers merely by embedding thermally emissive nanoparticles (NPs) in liquid resins to form scalable, yet highly efficient cooling films in a cost‐effective way. However, randomly dispersed NPs, prevalently used thus far, cause strong scattering, limiting NP content and cooling ...
YongDeok Cho, Hyeon Ho Kim, Sewon Ahn, Jaewon Lee, Jieun Lee, Kwangjin Kim, Soyul Kwak, Hoodam Lee, Kyungsik Choi, Kyonghwa Song, Seungwoo Lee   +10 more
wiley   +1 more source

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Amplitude-smoothed BPOF and amplitude-smoothed amplitude-encoded BPOF

SPIE Proceedings, 1990
In this paper smoothed binary phaseonly filtcr(ASBPOF) and amplitude smoothed amplitude encoded BPOF(ASAEBPOF) are presented. By computer simulation in the case of symmetrical and unsymmetrical characters it is concluded that with the BPOF and AEBPOF these filters sacrifice light efficiency due to the amplitudesmoothed factor it yield much better ...
ChunKan Tao, Wenjian Chen, Xiaolin Yu, SongLing Bian   +3 more
openaire   +2 more sources

High Efficiency Metasurfaces with Independent Control of Phase, Amplitude, and Polarization

IEEE Asia-Pacific Conference on Antennas and Propagation, 2018
Metasurfaces that can simultaneously manipulate amplitude and phase have attracted great attention and have great application prospects due to their powerful beam steering capabilities.
He-xiu Xu, Guangwei Hu, Lei Han, Menghua Jiang, Yongjun Huang, Ying Li, Xinmi Yang, Xiaohui Ling, Liezun Chen, Jianlin Zhao, C. Qiu   +10 more
semanticscholar   +1 more source

Amplitude density of a finite amplitude wave

The Journal of the Acoustical Society of America, 1979
A theoretical analysis of the effect of nonlinear propagation distortion on the amplitude density of a sample noise signal in a lossless medium is given. It is found that under certain general conditions the amplitude density prior to shock formation is unaffected by the distortion.
David T. Blackstock, Don A. Webster
openaire   +2 more sources

Amplitudes on entities

International Journal of Theoretical Physics, 1992
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +2 more sources

A theory of amplitudes

Journal of Mathematical Physics, 1988
A stochastic framework for quantum mechanics is presented in which the elements are measurements and amplitudes. The resulting structure provides three stochastic levels. At the bottom level are the sample points. These may be unobservable, in general. At the next level are the outcomes of measurements.
openaire   +3 more sources

Amplitude-only versus amplitude-phase estimation

IEEE Transactions on Instrumentation and Measurement, 1990
The feasibility of transfer function estimation based on amplitude-only measurements is investigated, and this method is compared with the amplitude-phase (full complex spectrum) method. It is shown that the amplitude-only-based method is a feasible alternative to the full complex spectrum method when the minimum in-phase transfer function of the ...
Rolain, Yves, Pintelon, Rik, Schoukens, Joannes   +2 more
openaire   +4 more sources

Effect of Memory for Amplitude on Amplitude Discrimination

The Journal of the Acoustical Society of America, 1959
A two alternative forced-choice experiment (2 AFC) in which the observer is asked to state which is the larger of two segments of tones presented sequentially in time, is analyzed as an experiment involving only amplitude memory. Frequency, phase, starting time, and duration information is provided each trial by the stimuli.
openaire   +2 more sources