Results 181 to 190 of about 259,006 (285)

Confined Hot Carrier Cooling Via Excited‐State Energy Gap Engineering in Graphyne Carbon Allotropes

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The excited‐state energy gap (EEG), regulated by the concentration of sp‐hybridized carbon, provides an effective handle for tuning electron–phonon coupling behavior. This design enables long‐lived confinement of hot carriers near the top of the EEG with controllable energy levels.
Fulong Dai, Zhaozhao Xiong, Yingcong Liu, Feiyu Cheng, Haochun Sun, Zhenfa Zheng, Jin Zhao, Zhuojian Liang, Zhuo Kang, Yue Zhang   +9 more
wiley   +1 more source

Semiconducting THO-C₃N Monolayers for Ultrahigh Anisotropic Carrier Mobility. [PDF]

Adv Sci (Weinh)
Tan R, Chen X, Luo J, Xue Z, Li Z, Wei X, Tang Z, Zhong G.   +7 more
europepmc   +1 more source

A Three‐Dimensional Structural Model for Predicting Magnetic Exchange and Hydrogen Positions in Bis‐μ‐Hydroxido Cu(II) Dimers

European Journal of Inorganic Chemistry, EarlyView.
Magneto‐structural correlation in bis‐μ‐hydroxido Cu(II) dimers: The out‐of‐plane angle (α) of bridging hydroxido groups critically influences the exchange coupling constant (J). A three‐dimensional correlation combining α and the Cu‐OH‐Cu angle (θ) enables computationally accurate J prediction.
Stefani Gamboa‐Ramirez, Khalil Youssef, Rafaello Papadakis, Michel Giorgi, Sylvain Bertaina, A. Jalila Simaan, Maylis Orio   +6 more
wiley   +1 more source

Satellite Dirac cones in phononic crystals. [PDF]

Nat Commun
Liu H, Xi Y, Shao G, Zhang Y, He H, Ye L, Ke M, Lu J, Deng W, Liu Z.   +9 more
europepmc   +1 more source

PtTe2 interface engineering for enhanced near‐infrared photoresponse in black silicon photodetectors

InfoMat, EarlyView.
Highly responsive near‐infrared (NIR) photodetectors are essential for advanced photoelectric systems. In this work, a high‐responsivity NIR photodetector is developed by integrating a PtTe2/black silicon (B‐Si) heterostructure into a Si p‐i‐n diode, where B‐Si introduces sub‐bandgap defect states to enhance NIR absorption and the PtTe2 layer induces ...
Guanyu Mi, Changbin Nie, Jintao Fu, Zeyu An, Xingzhan Wei, Weiyi Sun, Xilong Jiang, Jun Liu, Daqian Guo, Xueming Fan, Longcheng Que, Jian Lv, Jiang Wu   +12 more
wiley   +1 more source

Raised or recessed? Finding the optimal gate architecture for improving the static performance of graphene transistors. [PDF]

Nanoscale Adv
Huang TJ, Spencer A, Ingraham L, Pacheco-Sanchez A, Puchades I.   +4 more
europepmc   +1 more source

On Strongly and Robustly Critical Graphs

Journal of Graph Theory, EarlyView.
ABSTRACT In extremal combinatorics, it is common to focus on structures that are minimal with respect to a certain property. In particular, critical and list‐critical graphs occupy a prominent place in graph coloring theory. Stiebitz, Tuza, and Voigt introduced strongly critical graphs, i.e., graphs that are k $k$‐critical yet L $L$‐colorable with ...
Anton Bernshteyn, Hemanshu Kaul, Jeffrey A. Mudrock, Gunjan Sharma   +3 more
wiley   +1 more source

Chiral hinge-surface transport across dimensions in three-dimensional magneto-optical topological materials. [PDF]

Sci Adv
Lai HS, Zhou YC, Sun ZQ, He C, Chen YF.
europepmc   +1 more source

Probing Metal Tip‐Induced Bond Weakening of a Reactive Alkyne Center Aligned via a Rigid Triphenylmethane‐Based Tripod on Au(111) by TERS and DFT

Journal of Raman Spectroscopy, EarlyView.
We investigate tip‐induced bond weakening of a single alkyne center immobilized and aligned upright on Au(111) using a rigid triphenylmethane‐based tripod. By varying the tip–molecule distance, we observe shifts in the ≡C–H and –C≡C– vibrational bands via ultrahigh vacuum low‐temperature tip‐enhanced Raman scattering (TERS).
Gang Li, Simon Mennicken, Lu‐Yao Zhu, Sadaf Ehtesabi, Till Reichenauer, Stephan Kupfer, Daniel Schäfer, Saber Mehrparvar, Gebhard Haberhauer, Yao Zhang, Stefanie Gräfe, Sebastian Schlücker, Zhen‐Chao Dong   +12 more
wiley   +1 more source

Highly Efficient Conductivity Modulation via Stacked Multi-Gate Graphene Ambipolar Transistors. [PDF]

Nanomaterials (Basel)
Nie C, Zhang H, Zhang X, Sun F, Liu J, Wei X.   +5 more
europepmc   +1 more source