Results 41 to 50 of about 6,863 (223)
Multidimensional‐Encoded High‐Fidelity Spectrometers With a Floating‐Base Bipolar Junction
Advanced Functional Materials, EarlyView.A floating‐base bipolar junction photodetector enables multidimensional spectral encoding through synergistic gate‐ and drain‐bias modulation of interfacial barrier matching. The resulting complementary spectral responses form a diverse, weakly correlated response matrix, enabling robust and high‐fidelity spectral reconstruction even at sub‐nanoampere ...
Sang‐Hyeon Lee +11 more
wiley +1 more source
Model Catalysis with HOPG‑Supported Pd Nanoparticles and Pd Foil: XPS, STM and C2H4 Hydrogenation
, 2021 A surface science based approach was applied to model carbon supported Pd nanoparticle catalysts. Employing physical vapour deposition of Pd on sputtered surfaces of highly oriented pyrolytic graphite (HOPG), model catalysts were prepared that are well-
Rupprechter, Günther; orcid: +3 more
core +1 more source
Beyond Primary Nucleation: Molecular Basis of Peptide Crystal Secondary Nucleation at Soft Interface
Advanced Functional Materials, EarlyView.High spatiotemporal‐resolution atomic force microscopy directly resolved peptide secondary nucleation (SN) and growth characteristics and mechanisms on HOPG. The landscape of peptide nucleation sites, growth dynamics, molecular‐scale structures, phase transitions, and cross‐seeding processes were realized.
Linhao Sun +2 more
wiley +1 more source
Effect of Size on Hydrogen Adsorption on the Surface of Deposited Gold Nanoparticles
Nanomaterials, 2019 An experimental study of molecular hydrogen adsorption on single gold nanoparticles of various sizes deposited on the surface of highly oriented pyrolytic graphite (HOPG) was carried out by means of scanning tunneling microscopy and spectroscopy.
Andrey Gatin +6 more
doaj +1 more source
Substrate Effect on Band Bending of MoSe2 Monolayer Near Mirror‐Twin Domain Boundaries
Advanced Electronic Materials, 2023 Band bending near mirror twin domain boundaries (MTBs) in a MoSe2 monolayer grown on different substrates, i.e., highly oriented pyrolytic graphite (HOPG), graphene‐on‐SiC, and crystalline Au(110), is investigated by low temperature scanning tunneling ...
Mengfei Yuan +6 more
doaj +1 more source
A Soft, Flexible Implant for Wireless Photothermal–Pyroelectric Neurostimulation
Advanced Science, EarlyView.A replication strategy is used to enlarge the exposed surface area of barium titanate within flexible films with embedded carbon nanotubes, enabling efficient photothermal‐pyroelectric stimulation. Polar crystalline nanosheets show superior performance in guiding neural progenitor cells toward neuronal differentiation.
Jiang Wu +7 more
wiley +1 more source
Fundamental Study for a Graphite-Based Microelectromechanical System
Micromachines, 2018 We aimed to develop a process for constructing a carbon-based microelectromechanical system (MEMS). First, we prepared a highly oriented pyrolytic graphite (HOPG) crystal microsheet by exfoliation.
Junji Sone +2 more
doaj +1 more source
Temperature Effects on the HOPG Intercalation Process [PDF]
Condensed Matter, 2019 Graphite intercalation via chemical strategies is a common procedure to delaminate stratified crystals and obtain a suspension of graphene flakes. The intercalation mechanism at the molecular level is still under investigation in view of enhancing graphene production and reducing damage to the original pristine crystal.
Bussetti, Gianlorenzo +4 more
openaire +3 more sources
Advanced Science, EarlyView.As CMOS technology approaches fundamental energy limits, new paradigms for low‐power information processing are required. Magnetic systems are attractive for their spin transport, yet current‐induced magnetization control is energy inefficient. Multiferroic heterostructures enable energy‐efficient electric field manipulation of magnetism.
Donghyeon Lee +3 more
wiley +1 more source
AFM Investigation of Solid Electrolyte Interphase on HOPG Anode in Sodium Ion Battery
, 2017 Chemical and morphological structures of solid electrolyte interphase (SEI) play a vital role in sodium- ion battery (NIB). Up to date, SEI remains the least understood component in NIB due to its trace presence, delicate chemical nature, heterogeneity ...
Wang De-Yu +3 more
core +1 more source