Results 171 to 180 of about 581,926 (250)

Acoustic Moiré Flat Bands in Twisted Heterobilayer Metasurface

Advanced Materials, EarlyView.
This research proposes a heterobilayer moiré acoustic metasurface using two distinct lattice structures. The heterobilayer design contributes to divergent dispersion curves for the upper and lower layers and allows for greater flexibility in tuning their hybridization through interlayer twisting.
Shida Fan, Chenglin Han, Kuan He, Liang Bai, Li‐Qun Chen, Huaitao Shi, Chen Shen, Tianzhi Yang   +7 more
wiley   +1 more source

Scalable Lithium Niobate Nanoimprinting for Nonlinear Metalenses

Advanced Materials, EarlyView.
A broadband polycrystalline lithium niobate platform is developed for highly versatile and scalable fabrication of nonlinear metasurfaces. This work demonstrates simultaneous second harmonic generation and wavefront‐shaping via a metalens on this platform.
Ülle‐Linda Talts, Helena Weigand, Irene Occhiodori, Rachel Grange   +3 more
wiley   +1 more source

Exceptional Thermal Conductivity in Printed Dielectrics through Compositional and Microstructural Design

Advanced Materials, EarlyView.
A multi‐generational compositional design creates a printable low‐loss dielectric composite that achieves over 16 W m−1 K−1. This breakthrough is enabled by thermal post‐processing, which promotes templated crystallization in a polymer matrix from surface‐modified particles, creating a “hetero‐percolated network.” The resulting material is three ...
Daniel J. Braconnier, Evan Z. Toth, José A. Martinez, In‐Chul Yeh, Ryan M. Dunn, Eric D. Wetzel, Randall M. Erb   +6 more
wiley   +1 more source

Electric Field Driven Soft Morphing Matter

Advanced Materials, EarlyView.
This study presents soft morphing matter robots that exhibit extremely high morphological adaptability and complex multimodal electric field response. They can undergo large, controlled body deformation and show complex locomotion on different terrains under the manipulation of external electric fields, making a significant step beyond current ...
Ciqun Xu, Charl F. J. Faul, Majid Taghavi, Jonathan Rossiter   +3 more
wiley   +1 more source

Inorganic Dielectric Materials Coupling Micro‐/Nanoarchitectures for State‐of‐the‐Art Biomechanical‐to‐Electrical Energy Conversion Devices

Advanced Materials, EarlyView.
Biomechanical‐to‐electrical energy conversion devices are uniquely suited for self‐driven physiological information monitoring and powering human–computer interaction systems. These devices based on micro‐/nanoarchitectured inorganic dielectric materials (MNIDMs) have shown ultrahigh electromechanical performance and thus great potential for practical ...
Jia‐Han Zhang, Zhengtong Li, Zeng Liu, Mingxuan Li, Jiaxin Guo, Jinhua Du, Changkun Cai, Shaohui Zhang, Ningning Sun, Yong Li, Xingtao Xu, Xihong Hao, Yusuke Yamauchi   +12 more
wiley   +1 more source

Superior Adhesion of Monolayer Amorphous Carbon to Copper

Advanced Materials, EarlyView.
The adhesion energy of monolayer amorphous carbon on copper substrate is 85 J m−2, 13 times higher than that of graphene due to covalent‐like bonding between the sp2 carbon structure to copper. X‐ray photoelectron spectroscopy (XPS), near‐edge X‐ray absorption (NEXAFS), and (density functional theory) DFT calculations are used to elucidate the ...
Hongji Zhang, Artem K. Grebenko, Konstantin V. Iakoubovskii, Hanning Zhang, Ruslan Yamaletdinov, Anna Makarova, Alexander Fedorov, Rejaul SK, Ranjith Shivajirao, Zheng Jue Tong, Sergey Grebenchuk, Ugur Karadeniz, Lu Shi, Denis V. Vyalikh, Ya He, Andrei Starkov, Alena A. Alekseeva, Chuan Chu Tee, Carlo Mendoza Orofeo, Junhao Lin, Kazutomo Suenaga, Michel Bosman, Maciej Koperski, Bent Weber, Kostya S. Novoselov, Oleg V. Yazyev, Chee‐Tat Toh, Barbaros Özyilmaz   +27 more
wiley   +1 more source

Magnetically Controlled Reversible Photomagnetic Nanoactuators for Dynamic Contrast Enhancement in Optical Coherence Tomography

Advanced Materials, EarlyView.
Photomagnetic nanoactuators with ≈90% scattering efficiency in the second near‐infrared window are demonstrated to exhibit magnetic field‐controlled modulation of optical scattering and optical coherence tomography signals. These nanoactuators are reversibly assembled and disassembled under the external magnetic field modulation, enabling enhanced ...
Myeongsoo Kim, Samuel M. A. Morais, Anamik Jhunjhunwala, Shivashankar Subramanian, Paul S. Pelkowski, Stanislav Y. Emelianov   +5 more
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

Change of Dielectric Polarisation of Carbon Disulphide with Temperature [PDF]

Nature, 1931
ONE of us (J. M.) has determined the changes of density D and dielectric constant E of carbon disulphide with temperature.
M. Wolfke, J. Mazur
openaire   +2 more sources

Polarisation phenomena in dielectrics: a comment

Journal of Physics D: Applied Physics, 1979
Discusses the behaviour of decay voltage and recovery voltage curves of capacitors under isothermal and nonisothermal conditions.
B. Groß
openaire   +3 more sources