Results 141 to 150 of about 4,012,994 (361)

Control of nonlinear chained systems: from the Routh-Hurwitz stability criterion to time-varying exponential stabilizers [PDF]

, 2000
Pascal Morin, Claude Samson
openalex   +1 more source

Global Existence and Exponential Stability of Convection

Journal of Mathematical Analysis and Applications, 1995
The interior convection in the Boussinesq approximation is studied for a bounded domain \(\Omega\subset \mathbb{R}^3\), occupied by an incompressible, viscous fluid, with a smooth boundary \(\Gamma\). It is studied the gravitational convection when the fluid is heated at a part \(\Gamma_0\subset\Gamma\) of the boundary.
openaire   +2 more sources

Understanding and Addressing the Performance Asymmetry Issue in Semitransparent Laminated Organic Photovoltaic Devices

Advanced Functional Materials, EarlyView.
This work addresses the challenge of current–voltage asymmetry in scalable laminated semitransparent organic photovoltaics (OPVs) for indoor applications. Vertical stratification of materials is shown to create an energy barrier, leading to performance differences under different illumination directions.
Gulzada Beket, Anton Zubayer, Leonie Pap, Huagui Lai, Samiran Bairagi, Nakul Jain, Jochen Stahn, Fan Fu, Kenneth Järrendahl, Fredrik Eriksson, Xabier Rodríguez‐Martínez, Olle Inganäs, Uli Würfel, Thomas Österberg, Jonas Bergqvist, Feng Gao   +15 more
wiley   +1 more source

Exponential Stability of Operators and Operator Semigroups

Journal of Functional Analysis, 1995
Extending earlier results of Datko, Pazy, and Littman on \(C_0\)- semigroups, and of Przyluski and Weiss on operators, the author proves the following: Let \(T\) be a bounded linear operator on a Banach space \(X\) and let \(r(T)\) denote its spectral radius.
openaire   +3 more sources

Deterministic Writing of Field‐Free and Unipolar Spin‐Transfer Torque Magnetic Random‐Access Memory

Advanced Functional Materials, EarlyView.
Deterministic unipolar‐switching STT‐MRAM with field‐free operation is experimentally demonstrated. The device features a compact 4F2 cell architecture using a diode as the access device and a single magnetic tunneling junction. Unlike conventional bipolar switching STT‐MRAM requiring a three‐terminal access transistor in the array, this design offers ...
Ming‐Chun Hong, Ching Shih, Guan‐Long Chen, Yu‐Chen Hsin, Chen‐Yu Yang, Hsin‐Han Lee, Kuan‐Ming Chen, Yu‐Ho Kao, Tsai‐Yu Wu, Chiao‐Yun Lo, Sin‐You Huang, Cheng‐Yi Shih, Shan‐Yi Yang, I‐Jung Wang, Yao‐Jen Chang, Shih‐Ching Chiu, Yi‐Hui Su, Chih‐Yao Wang, Jeng‐Hua Wei, Shyh‐Shyuan Sheu, Wei‐Chung Lo, Shih‐Chieh Chang, Tuo‐Hung Hou   +22 more
wiley   +1 more source

Exponential stability in Mindlin's Form II gradient thermoelasticity with microtemperatures of type III. [PDF]

Proc Math Phys Eng Sci, 2020
Aouadi M, Passarella F, Tibullo V.
europepmc   +1 more source

1D Light‐Emitting MAPbBr3 Perovskite Encapsulated in Carbon Nanotubes

Advanced Functional Materials, EarlyView.
Encapsulation of MAPbBr3 perovskite in single‐walled carbon nanotubes (SWCNTs) yields a hybrid nanomaterial with distinctive optoelectronic properties. Perovskite confinement induces a unified single‐peak photoluminescence (PL) with a reduced lifetime, while charge transfer alters the optical properties of nanotubes.
Valentina A. Eremina, Timofei Eremin, Hua Jiang, Rakesh Dhama, Jokotadeola Odutola, Humeyra Caglayan, Nikolai V. Tkachenko, Petr A. Obraztsov   +7 more
wiley   +1 more source

Single‐Step Conversion of Metal Impurities in CNTs to Electroactive Metallic Nitride Nanoclusters for Electrochemical CO2 Reduction

Advanced Functional Materials, EarlyView.
A single‐step, low‐temperature co‐pyrolysis process removes encapsulated seed metal NPs (10–50 nm) from CNTs, redistributing them as surface‐anchored metal and metal–nitride NCs (1–1.5 nm). Herein, Ni3N NCs achieve an ultra‐low onset overpotential for CO2 reduction to CO with >98% Faradaic efficiency across 100–700 mA cm−2.
Ahmed Badreldin, John Pellessier, Francisco Alejandro Ospina Acevedo, Siyuan Fang, Carter Racine, Jin Feng, Alvin Chang, Yulu Ge, Yang Gang, Shengyao Wang, Xiaokun Yang, Sergei Ivanov, Zhenxing Feng, Yun Hang Hu, Perla B. Balbuena, Ying Li   +15 more
wiley   +1 more source

Decoding the Structure of Benzodithiophene Polymers for High‐Efficiency Organic Solar Cells

Advanced Functional Materials, EarlyView.
This study reveals a unique solid mesophase in top‐performing benzodithiophene‐based polymers for solar cells, comprising stacked solid‐like and liquid‐like layers. Combining nanoscale fibrillar domains with amorphous regions, it introduces a new structural paradigm.
Matteo Sanviti, Sara Marina, Xabier Rodriguez‐Martínez, Jesika Asatryan, Valerio Di Lisio, Sandra Hultmark, Junkal Gutierrez, Eduardo Solano, Jeromy J. Rech, Eugenio L. Solla, Wei You, Agnieszka Tercjak, M. Eugenio Vázquez, Daniele Cangialosi, Christian Müller, Harald Ade, Jaime Martin   +16 more
wiley   +1 more source

Copper Doping Enhances the Activity and Selectivity of Atomically Precise Ag44 Nanoclusters for Photocatalytic CO2 Reduction

Advanced Functional Materials, EarlyView.
By a simple anti‐Galvanic reaction, up to six copper atoms could be preferably doped into the Ag2(SR)5 staple motifs and Ag20 dodecahedral shell of an atomically precise Ag44(SR)30 nanocluster. When anatase TiO2 is used as substrate, the (AgCu)44/TiO2 photocatalyst exhibited much improved activity in photocatalytic CO2 reduction compared to Ag44/TiO2 ...
Ye Liu, Xi Zheng, Xiufan Liu, Tengyuan Gao, Nicola Pinna, Yu Wang   +5 more
wiley   +1 more source