Results 81 to 90 of about 665 (240)

Flexoelectrically Induced Polar Topology in Twisted SrTiO3 Membranes

Advanced Materials, EarlyView.
Twisted SrTiO3 bilayers host polar vortices of flexoelectric origin, revealed through combined experiment and theory. By reconstructing polarization from the toroidal moment of strain gradients, the work establishes a 3D chiral state with broken inversion and mirror symmetries.
Isabel Tenreiro, Hugo Aramberri, Víctor Rouco, Gabriel Sánchez‐Santolino, Mariona Cabero, Fernando Gallego, David Sánchez‐Manzano, José M. González‐Calbet, Federico Mompeán, Mar García‐Hernández, Alberto Rivera‐Calzada, Jorge Íñiguez‐González, Carlos León, Jacobo Santamaría   +13 more
wiley   +1 more source

Harmonic Resonance Mechanisms and Influencing Factors of Distributed Energy Grid-Connected Systems

World Electric Vehicle Journal
With the rapid development of global energy transformation and new power system, ensuring the stability of distributed energy grid connections is the key to maintaining the reliable operation of the whole power system.
Minrui Xu, Zhixin Li, Shufeng Lu, Tianyang Xu, Zhanqi Zhang, Xiangjun Quan   +5 more
doaj   +1 more source

Engineering Unequal Antipolar Displacement in Ferromagnetic Layered Oxide Heterostructures

Advanced Materials, EarlyView.
Atomically precise superlattices of the double perovskites La2NiMnO6 and Sm2NiMnO6 are grown to engineer an unequal antipolar displacement of the La and Sm ions. These structural motifs are confirmed by the scanning transmission electron microscopy and first‐principles calculations.
Jonathan Spring, Natalya S. Fedorova, Alexander Vogel, Javier Herrero‐Martín, Evgenios Stylianidis, Pavlo Zubko, Jorge Íñiguez‐González, Marta D. Rossell, Marta Gibert   +8 more
wiley   +1 more source

Control interaction analysis of hybrid system with grid-following and grid-forming inverters based on admittance decomposition

International Journal of Electrical Power & Energy Systems
In high renewable penetrated power systems, both grid-forming (GFL) and grid-following (GFM) inverters play an important role in maintaining the system stability and economic operation.
Yang Wang, Liang Ruan, Mengling Yang, Xianyong Xiao, Song Chen, Oriol Gomis-Bellmunt   +5 more
doaj   +1 more source

Soft Ionic and Electronic Triboelectric Nanogenerators: Toward Attachable and Implantable Biomedical Applications

Advanced Materials, EarlyView.
This review provides an overview of triboelectric nanogenerator (TENG)–based biomedical applications by classifying studies into electronic and ionic systems across attachable and implantable platforms. It summarizes key material choices, device structures, and working mechanisms that characterize current TENG‐based research, and outlines six future ...
Kyongtae Choi, Jimin Park, Won Jun Song, Soohwan An, Seonggyu Choe, Byeong‐Rak Keum, Min Young Kim, Dae Hee Hwang, Young‐Geun Park, Sung‐Won Kim, Sangyul Baik, Gwang‐Bum Im, Younghoon Lee   +12 more
wiley   +1 more source

LEAD: Literature Enhanced Ab Initio Discovery of Nitride Dusting Layers for Enhanced Tunnel Magnetoresistance and Lower Resistance Magnetic Tunnel Junctions

Advanced Materials, EarlyView.
Magnetic tunnel junctions (MTJs) using MgO tunnel barriers face challenges of high resistance‐area product and low tunnel magnetoresistance (TMR). To discover alternative materials, Literature Enhanced Ab initio Discovery (LEAD) is developed. The LEAD‐predicted materials are theoretically evaluated, showing that MTJs with dusting of ScN or TiN on ...
Sabiq Islam, William S. Rogers, Chen‐Yu Hu, Ming‐Yuan Song, Xinyu Bao, Shehrin Sayed, Jean Anne C. Incorvia   +6 more
wiley   +1 more source

Reviewing Control Paradigms and Emerging Trends of Grid-Forming Inverters—A Comparative Study

Energies
Grid-forming inverters (GFMs) have emerged as crucial components in modern power systems, facilitating the integration of renewable energy sources and enhancing grid stability. The significance of GFMs lies in their ability to autonomously establish grid
Khaliqur Rahman, Jun Hashimoto, Dai Orihara, Taha Selim Ustun, Kenji Otani, Hiroshi Kikusato, Yasuhiro Kodama   +6 more
doaj   +1 more source

Dynamics of Grid-Forming Inverter

, 2017
Islanded micro-grids are increasingly becoming a vital factor in improving the reliability of a power system. In the islanded micro-grid power is produced from a local energy source that can be a renewable energy plant or an energy storage system. If for example, the energy produced from solar panels and energy storage systems is fed to the grid an ...
openaire   +1 more source

Two‐Photon 3D Printing of Functional Microstructures Inside Living Cells

Advanced Materials, EarlyView.
This study demonstrates 3D printing inside living cells by using two‐photon photo‐lithography. A bio‐compatible photoresist is injected into cells and selectively polymerized with a femtosecond laser, creating custom‐shaped intracellular structures with submicron resolution.
Maruša Mur, Aljaž Kavčič, Uroš Jagodič, Rok Podlipec, Matjaž Humar   +4 more
wiley   +1 more source

Developing and Evaluating the Operating Region of a Grid-Connected Current Source Inverter from Its Mathematical Model

Mathematics
Grid-connected power inverters are indispensable in modern electrical systems, playing a pivotal role in enhancing the integration of renewable energies into power grids.
Carlos R. Baier, Pedro E. Melin, Miguel A. Torres, Roberto O. Ramirez, Carlos Muñoz, Agustin Quinteros   +5 more
doaj   +1 more source