Results 221 to 230 of about 19,211 (303)

Symmetry Control of Mutually Thermoelectric Conversion in Rutile RuO2

Advanced Physics Research, EarlyView.
We demonstrate that crystal symmetry can efficiently modulate mutual thermoelectric conversion. Longitudinal electric‐to‐heat conversion via the anisotropic crystal Peltier effect is observed in a RuO2 single layer without forming P–N junctions, and its dependence on crystal orientation is revealed by lock‐in thermography. Reciprocally, the anisotropic
Hua Bai, Jiankun Dai, Yulong Chen, Jiachen Zhang, Lei Han, Yichi Zhang, Wenxuan Zhu, Feng Pan, Dazhi Hou, Cheng Song   +9 more
wiley   +1 more source

Controlling Bubble and Skyrmion Lattice Order and Dynamics via Stripe Domain Engineering in Ferrimagnetic Fe/Gd Multilayers

Advanced Physics Research, EarlyView.
The density and ordering of the bubble/skyrmion lattice hosted by Fe/Gd multilayers can be significantly enhanced using an in‐plane field to align the stripe domain state. As a result, the laser‐induced breathing mode dynamics are strongly modified, showing both an increased amplitude and frequency.
Tim Titze, Sabri Koraltan, Timo Schmidt, Mailin Matthies, Amalio Fernández‐Pacheco, Dieter Suess, Manfred Albrecht, Stefan Mathias, Daniel Steil   +8 more
wiley   +1 more source

Shot noise generated by graphene p-n junctions in the quantum Hall effect regime. [PDF]

Nat Commun, 2015
Kumada N, Parmentier FD, Hibino H, Glattli DC, Roulleau P.   +4 more
europepmc   +1 more source

Enhancement of Modulation Bandwidth for VLC Utilizing Green Mini‐LED Light Source

Advanced Physics Research, EarlyView.
This paper investigates three sizes of green Mini‐LEDs for visible light communication, focusing on modulation bandwidth and the impact of atomic layer deposition (ALD) sidewall passivation. ALD significantly enhances bandwidth (up to 21.6%), confirming suppression of nonradiative recombination.
Rongxing Wu, Yuhan Su, Yurong Dai, Chenghao Wang, Lianfen Huang, Huaxin Liu, Jincheng Xu, Hao‐Chung Kuo, Zhong Chen, Tingzhu Wu   +9 more
wiley   +1 more source

Redox‐Dependent Luminescence in a Pentavalent Uranyl Complex

ChemistryEurope, EarlyView.
Redox‐dependent luminescence in a molecular pentavalent uranyl complex supported by a pyridine dipyrrolide pincer ligand is presented. Electrochemical and chemical reduction of the uranyl(VI) species provides a stable uranyl(V) complex that emits blue light from a high‐energy excited state. The anti‐Kasha emission is credited to the presence of “nested”
Leyla R. Valerio, Asmita Sen, William W. Brennessel, Carsten Milsmann, Jochen Autschbach, Ellen M. Matson   +5 more
wiley   +1 more source

Edge states and integer quantum Hall effect in topological insulator thin films. [PDF]

Sci Rep, 2015
Zhang SB, Lu HZ, Shen SQ.
europepmc   +1 more source

Hole‐Selective Self‐Assembled Monolayers Overlaid on NiOx or PEDOT:PSS for Tin‐Based Perovskite Solar Cells – An Overview of Recent Characterization Methods

Chemistry – A European Journal, EarlyView.
Successfully applying self‐assembled monolayers with hole‐selectivity for lead‐free tin perovskite solar cells requires judicious investigation with appropriately powerful characterization methods, in addition to efforts in the development of new materials and processing.
Donghoon Song, Seung Wook Shin, Hui‐Ping Wu, Eric Wei‐Guang Diau   +3 more
wiley   +1 more source

Nanoparticles in microdroplets: Recent advances in microfluidic generators for producing functional microbeads

Droplet, EarlyView.
Functional hybrid microbeads with electrical, magnetic, and/or optical responsiveness have emerged as versatile platforms for biotechnology. This review highlights recent advances in microfluidic technologies for producing such microbeads, with a focus on incorporating functional nanoparticles in microdroplet systems.
  Bayinqiaoge, Chengchen Zhang, Shi‐Yang Tang   +2 more
wiley   +1 more source

Efficient Kesterite Solar Cells via Scalable Doctor‐Blading of 2‐Methoxyethanol‐Based Molecular Ink

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A new record efficiency of 13.26% has been achieved for doctor‐bladed CZTSSe solar cells, fabricated for the first time from an MOE‐based molecular ink in ambient air. Cu2ZnSn(S,Se)4 (CZTSSe) thin‐film solar cells have garnered significant interest owing to their appealing properties, such as earth‐abundant composition, environmental friendliness, high
Yanmei Deng, Yu Mao, Mengyang Wang, Yuanyuan Huang, Wenjian Chan, Ziyang Ren, Ening Gu, Sambasivam Sangaraju, Xianzhong Lin, Guowei Yang   +9 more
wiley   +1 more source

A trade‐off between efficiency and stability in a class of sky‐blue organic light‐emitting diodes

FlexMat, EarlyView.
OLED efficiency and stability are correlated with device structure using combined experimental and simulation approach. Efficient, but less stable devices suffer mainly from exciton‐exciton annihilation, while their opposites have excitons predominantly quenched by polarons.
Eglė Tankelevičiūtė, Sandra Jenatsch, Beat Ruhstaller, Eli Zysman‐Colman, Ifor D. W. Samuel   +4 more
wiley   +1 more source