Results 41 to 50 of about 799 (158)

Covalent nitrogen doping in molecular beam epitaxy-grown and bulk WSe2

APL Materials, 2018
Covalent p-type doping of WSe2 thin films grown by molecular beam epitaxy and WSe2 exfoliated from bulk crystals is achieved via remote nitrogen plasma exposure. X-ray photoelectron and Raman spectroscopies indicate covalently bonded nitrogen in the WSe2
Ava Khosravi, Rafik Addou, Christopher M. Smyth, Ruoyu Yue, Christopher R. Cormier, Jiyoung Kim, Christopher L. Hinkle, Robert M. Wallace   +7 more
doaj   +1 more source

Extrinsic and Intrinsic Charge Transfer at Interfaces of Membrane‐Based Oxide Heterostructures

Advanced Electronic Materials, EarlyView.
Freestanding oxides have emerged as a new opportunity to tailor oxides outside of the typical epitaxial constraints. We present the fabrication of TiO2‐terminated SrTiO3 membranes via direct growth control. We demonstrate competing ionic and electronic charge transfer in LaAlO3/SrTiO3 bilayers using near ambient pressure XPS.
Kapil Nayak, Marcus A. Wohlgemuth, Anton Kaus, Lisa Heymann, Alexandros Sarantopoulos, Lee‐Kang Huang, Christoph Baeumer, Regina Dittmann, Felix Gunkel   +8 more
wiley   +1 more source

Advances in Gate Dielectrics for 2D Electronics

physica status solidi (RRL) – Rapid Research Letters, EarlyView.
This review discusses advanced gate dielectric integration for 2D electronic devices, including layered and nonlayered dielectric materials, while highlighting strategies such as seed‐assisted ALD, transfer methods, and in situ oxidation. By focusing on interface engineering and materials innovation, new routes for scalable, high‐performance 2D ...
Moon‐Chul Jung, Jiwoo Kim, Gwan‐Hyoung Lee   +2 more
wiley   +1 more source

Recent Development in Solar‐to‐Hydrogen Conversion Systems

WIREs Energy and Environment, Volume 15, Issue 3, September 2026.
This review compares three solar‐driven hydrogen production methods, photocatalysis (PC), photoelectrochemical cells (PEC), and photovoltaic–electrochemical (PV–EC) systems by examining their mechanisms, materials, stability, and efficiency. Nanocrystal‐based PC catalysts achieved the highest quantum efficiency (94%), while PV–EC and Si nanowire PEC ...
Rabia Zafar Ali, Martin D. Lennox, Milica Vasiljevic, Muhammad Imran Asghar   +3 more
wiley   +1 more source

Nanophotonic Design of Germanium‐Silicon Single‐Photon Detectors for Integrated Quantum Photonic Circuits

Nanophotonics, Volume 15, Issue 13, 13 July 2026.
Nanophotonic Ge/Si single‐photon avalanche detectors (SPADs) employing photonic‐crystal‐enhanced optical confinement and a separate absorption–multiplication (SAM) architecture enable near‐unity internal quantum efficiency, low dark current, sub‐50 ps temporal response, and efficient telecom‐band single‐photon detection.
Kuldeep Singh, Ekaterina Ponizovskaya Devine, Md Sakibul Islam, Nitesh Singh, Wayesh Qarony   +4 more
wiley   +1 more source

Highly heterogeneous epitaxy of flexoelectric BaTiO(3-δ) membrane on Ge [PDF]

, 2022
The integration of complex oxides with a wide spectrum of functionalities on Si, Ge and flexible substrates is highly demanded for functional devices in information technology.
Ye, Zuo-Guang, Schwarzkopf, Jutta, Schroeder, Thomas, Sun, Yanxiao, Niu, Gang, Ren, Wei, Ma, Ming, Luo, Wenbo, Xue, Zhongying, Di, Zengfeng, Dai, Liyan, Jiang, Zhuangde, Xie, Ya-Hong, Ding, Sunan, Chen, Bohan, Quan, Yi, Zhai, Shijie, Feng, Boyuan, Li, Jingrui, Luo, Yunyun, Zhao, Libo, Zhang, Jie, Zhao, Jinyan   +22 more
core   +1 more source

MXenes in Advanced High‐Performance Energy Storage Technologies: Synthesis, Properties, Applications, and Challenges

Battery Energy, Volume 5, Issue 4, July 2026.
MXene‐based electrodes are established as high‐performance electrochemical energy storage materials. Sustainable energy storage systems are enabled through biologically derived MXene synthesis routes. Electrochemical kinetics and charge storage are enhanced by biomimetic MXene structures.
Shajjadur Rahman Shajid, Robel Ahmed, Md. Rasel Ahmed, Monjur Mourshed   +3 more
wiley   +1 more source

Twist Engineering of Hybrid 2D van der Waals‐Transition Metal Oxide Membranes

Advanced Physics Research, Volume 5, Issue 6, June 2026.
The integration of transition metal oxide membranes with 2D van der Waals materials offers exciting opportunities to study new interfacial phenomena. These interactions can create complex moiré patterns that change the materials' properties. Understanding these interactions, influenced by symmetry and distortion, poses significant challenges and ...
Mar Garcia Hernandez, Peter Bøggild, Mads Brandbyge, Jacobo Santamaria, Nini Pryds   +4 more
wiley   +1 more source

Raman spectroscopic characterizations of graphene on oxide substrates for remote epitaxy

, 2023
Graphene layers placed on SrTiO3 single-crystal substrates, i.e., templates for remote epitaxy of functional oxide membranes, were investigated using temperature-dependent confocal Raman spectroscopy.
M. Minola, Shrestha, S., Lee, Sangho, A. Seo, Chang, C. S., J. Kim, Kothalawala, N. L., Seo, A., C. S. Chang, Minola, M., Kim, J., N. L. Kothalawala, D. Y. Kim, S. Shrestha, S. Lee, Kim, D. Y.   +15 more
core   +1 more source

Remote epitaxial frustration

Remote epitaxy relaxes the constraints of conventional epitaxy, to enable low defect density, chemically abrupt heterostructures and exfoliation of single crystalline membranes. However, definitive evidence for a true remote mechanism remains elusive because most experiments can be explained by alternative mechanism that are macroscopically ...
Jung, Taehwan, Hagopian, Nicholas, Sirohi, Anshu, Campbell, Quinn, Dong, Chengye, LaDuca, Zachary T., Samanta, Tamalika, Robinson, Joshua, Voyles, Paul M., Kawasaki, Jason K.   +9 more
openaire   +2 more sources