Results 291 to 300 of about 15,148,093 (364)

Advanced Air Electrodes for Reversible Protonic Ceramic Electrochemical Cells: A Comprehensive Review

Advanced Materials, EarlyView.
Reversible protonic ceramic electrochemical cells (R‐PCECs) face challenges from sluggish and unstable oxygen reduction and evolution reactions in the air electrode. This review discusses recent progress in triple‐conducting air electrodes, emphasizing mechanisms, performance factors, and design strategies, offering guidance for creating efficient and ...
Xi Chen, Yeshu Tan, Zheng Li, Tong Liu, Yinghao Song, Shuo Zhai, Na Yu, Zongping Shao, Meng Ni   +8 more
wiley   +1 more source

Recent Advances in Wide‐Bandgap Perovskite Solar Cells

Advanced Materials, EarlyView.
Ubiquitous defects predominately account for photo‐instability and open‐circuit voltage losses in wide‐bandgap perovskite solar cells (WBG PSCs). This review comprehensively presents the underlying impact mechanisms, summarizes the advanced optimization strategies across various functional layers and their interfaces to develop efficient and stable WBG
Jianjun Mei, Feng Yan
wiley   +1 more source

Anomalous Phonon Softening with Inherent Strain in Wrinkled Monolayer WSe2

Advanced Materials, EarlyView.
This study introduces the first discovery of a new local strain indicator, A2′′(Γ)$A_2^{^{\prime\prime}}( \Gamma )$ mode, for monolayer WSe2‐based excitonic applications including single photon emitter by using tip‐enhanced Raman spectroscopy. The correlative investigation with density functional perturbation theory provides the origin of the anomalous
Dong Hyeon Kim, Jaekak Yoo, Hyeong Chan Suh, Yo Seob Won, Sung Hyuk Kim, Dong‐Joon Yi, Byeong Geun Jeong, Chanwoo Lee, Dongki Lee, Ki Kang Kim, Seung Mi Lee, Eui Kwan Koh, Mun Seok Jeong   +12 more
wiley   +1 more source

Advancements in Carbon‐Based Piezoelectric Materials: Mechanism, Classification, and Applications in Energy Science

Advanced Materials, EarlyView.
Carbon‐based piezoelectric materials are systematically categorized based on their structural and functional properties. The mechanisms of stress‐induced charge transfer are elucidated, and their applications are explored across three key domains: piezoelectric catalysis for energy conversion and environmental remediation, piezoelectric biomedical ...
Mude Zhu, Qingyou Liu, Wai‐Yeung Wong, Linli Xu   +3 more
wiley   +1 more source

Van der Waals Integration of 1D Nb2Pd3Se8 and 2D WSe2 for Gate‐Tunable In‐Sensor Image Processing

Advanced Materials, EarlyView.
We developed self‐powered photodetectors for in‐sensor image processing by integrating high‐quality 1D Nb2Pd3Se8 with 2D WSe2. The type‐I junction and a 1D van der Waals interfaceenable gate‐tunable switching between n‐p and n‐n+ configurations, yieldingbroadband bi‐directional photoresponse.
Vu Khac Dat, Minh Chien Nguyen, Byung Joo Jeong, Ngoc Thanh Duong, Van Dam Do, Chengyun Hong, Duong Hai Phuong, Van Tu Vu, Jinsu Kang, Xiaojie Zhang, Robert A. Taylor, Kwangseuk Kyhm, Woo Jong Yu, Jae‐Young Choi, Ji‐Hee Kim   +14 more
wiley   +1 more source

Unraveling the Complexity of the Dzyaloshinskii–Moriya Interaction in Layered Magnets: The Full Magnitude and Chirality Control

Advanced Materials, EarlyView.
In layered magnets, the atomistic Dzyaloshinskii–Moriya interaction (DMI) depends critically not only on the orbital occupancy of the interface layer but also on the sequence of the atomic layers. The effect can be understood by analyzing the contributions of different orbitals to DMI.
Khalil Zakeri, Albrecht von Faber, Sergiy Mankovsky, Hubert Ebert   +3 more
wiley   +1 more source

All‐Heat Control of Magnetization Dynamics on Van der Waals Magnets

Advanced Materials, EarlyView.
Heat dissipation in nanomagnetic devices mediated by femtosecond laser excitation constitutes one of the pressing challenges toward energy‐efficient information communication technologies. Here it is shown that heat and magnetization play together to determine the ultrafast spin dynamics of van der Waals magnets across any substrates and magnet ...
Sumit Haldar, Theodor Griepe, Unai Atxitia, Elton J. G. Santos   +3 more
wiley   +1 more source

Nonlinear Optical Response in Layer‐Stacked Gallenene with Ferroelectric Polarization

Advanced Materials, EarlyView.
Liquid metals are utilized in applications ranging from soft robotics to conductive inks, owing to their physical properties providing distinct mechanical, electrical, and thermal advantages. This work uses classical material science techniques to characterize ferroelectric polarization in supercooled liquid gallium and utilizes second harmonic ...
Muhammad Yunusa, Andrew K. Schulz, Tim Parker, Felix Schneider, Kenan Elibol, Marius Predel, Jana Dzíbelová, Michel Rebmann, Taylan Gorkan, Jiahao Ye, Jin‐Chong Tan, Wenbin Kang, Peter A. van Aken, Alfred J. Meixner, Engin Durgun, Jani Kotakoski, Dai Zhang, Metin Sitti   +17 more
wiley   +1 more source

High‐Energy‐Density Aqueous Zinc‐Ion Batteries: Recent Progress, Design Strategies, Challenges, and Perspectives

Advanced Materials, EarlyView.
Strategies achieving high‐energy‐density aqueous zinc‐ion batteries are summarized and analyzed from both their separate advancements and the integrated effectiveness in this review. Then, perspectives are given for valuable guidance for further development of high‐energy‐density aqueous zinc‐ion batteries.
Mingcong Tang, Qun Liu, Xiaohong Zou, Biao Zhang, Liang An   +4 more
wiley   +1 more source

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Fermi level, work function and vacuum level

Materials Horizons, 2016
Electronic levels and energies of a solid, such as Fermi level, vacuum level, work function, ionization energy or electron affinity, are of paramount importance for the control of device behavior, charge carrier injection and transport.
A. Kahn
openaire   +3 more sources