Results 231 to 240 of about 446,105 (325)

Electrically Tunable On‐Chip Topological Photonics with Integrated Carbon Nanotubes

Advanced Functional Materials, EarlyView.
This work demonstrates electrically tunable on‐chip topological THz devices by integrating 2D carbon nanotube (CNT) sheets with valley‐Hall photonic crystals, enabling broadband transmission modulation (71% modulation depth) and tunable narrowband filtering (0.54 GHz shift) through electrically induced thermal tuning. This advancement paves the way for
Jifan Yin, Wenhao Wang, Thomas Caiwei Tan, Abhishek Kumar, Ridong Jia, Nikhil Navaratna, Ranjan Singh, Lijuan Xie   +7 more
wiley   +1 more source

Structure-Stability Relationships in Pt-Alloy Nanoparticles Using Identical-Location Four-Dimensional Scanning Transmission Electron Microscopy and Unsupervised Machine Learning. [PDF]

ACS Nano
Kamšek AR, Ruiz-Zepeda F, Bele M, Logar A, Dražić G, Hodnik N.   +5 more
europepmc   +1 more source

Thermal Phase‐Modulation of Thickness‐Dependent CVD‐Grown 2D In2Se3

Advanced Functional Materials, EarlyView.
A comprehensive study of CVD‐grown 2D In2Se3 reveals a distinct thickness‐dependent phase landscape and a reversible, thermally driven transformation between β″ and β* variants. In situ TEM electron diffraction and Raman spectroscopy reveal structural dynamics, while the structural invariance of the α‐phase in ultrathin regimes highlights its stability—
Dasun P. W. Guruge, Zhenhuan Chen, Joseph F. S. Fernando, Chao Zhang, Liangzhi Kou, Konstantin L. Firestein, Dmitri V. Golberg   +6 more
wiley   +1 more source

In Situ Scanning Transmission Electron Microscopy Calcination of Palladium Nitrate Supported on Zinc Oxide. [PDF]

Small Sci
Meise A, Heggen M, Dunin-Borkowski RE, Armbrüster M.   +3 more
europepmc   +1 more source

Structure retrieval from four-dimensional scanning transmission electron microscopy: Statistical analysis of potential pitfalls in high-dimensional data [PDF]

, 2019
Xin Li, Ondrej Dyck, Stephen Jesse, Andrew R. Lupini, Sergei V. Kalinin, Mark P. Oxley   +5 more
openalex   +1 more source

Curved Nanographene–Graphite Hybrid Anodes with Sequential Li+ Insertion for Fast‐Charging and Long‐Life Li‐Ion Batteries

Advanced Functional Materials, EarlyView.
A hybrid anode composed of Cl‐functionalized curved nanographene and graphite enables ultra‐fast charging and long cycle life through an engineered morphology and sequential Li+ insertion. It delivers 100 mAh g−1 at 5 C with 70% capacity retention after 1000 cycles and maintains stable performance over 2000 cycles in pouch cells, providing a practical ...
Hyunji Cha, Minsung Kang, Seung Hak Oh, Jee Ho Ha, Jeongmi Joo, Dae Hyeon Kwon, Sang Kyu Kwak, Seokhoon Ahn, Seok Ju Kang   +8 more
wiley   +1 more source

Direct Measurement of the Thermal Expansion Coefficient of Epitaxial WSe₂ by Four-Dimensional Scanning Transmission Electron Microscopy. [PDF]

ACS Nano
Kucinski TM, Dhall R, Savitzky BH, Ophus C, Karkee R, Mishra A, Dervishi E, Kang JH, Lee CH, Yoo J, Pettes MT.   +10 more
europepmc   +1 more source

Crystal Structure Analysis of an Al-Co-Ni Crystalline Approximant by Cs-corrected Scanning Transmission Electron Microscopy

, 2016
Kenji Hiraga, Akira Yasuhara, Kunio Yubuta   +2 more
openalex   +2 more sources

Avoiding Charge Induced Drift In Vitrified Biological Specimens Through Scanning Transmission Electron Microscopy [PDF]

, 2006
Giuseppe Nicotra, H-T Chou, Henning Stahlberg, Nigel D. Browning   +3 more
openalex   +1 more source

Covalent Organic Frameworks for Water Sorption: The Importance of Framework Physical Stability

Advanced Functional Materials, EarlyView.
This study explores the water‐vapor stability of 2D covalent organic frameworks (COFs) with varying pore sizes. Results reveal microporous COFs demonstrate superior stability compared to mesoporous ones, despite lower water uptake. Mesoporous keto‐enamine‐linked COFs show enhanced stability due to intralayer hydrogen bonds, confirmed by simulations and
Wei Zhao, He Li, Bui Duc Thuan, Weidong Chen, Qiang Zhu, Mounib Bahri, Boyu Li, Kexin Yu, Chengjun Kang, Ting Chen, Zekun Wang, Nigel D. Browning, Kian Jon Chua, Dan Zhao   +13 more
wiley   +1 more source