Results 211 to 220 of about 273,506 (260)

Ferroelectricity in Antiferromagnetic Wurtzite Nitrides

Advanced Functional Materials, EarlyView.
We establish MnSiN2${\rm MnSiN}_2$ and MnGeN2${\rm MnGeN}_2$ as aristotypes of a new multiferroic wurtzite family that simultaneously exhibits ferroelectricity and antiferromagnetism with altermagnetic spin splitting. By strategically substituting alkaline‐earth metals, we predict new materials with coexisting switchable polarization, spin texture, and
Steven M. Baksa, Lin‐Ding Yuan, Stephen D. Wilson, James M. Rondinelli   +3 more
wiley   +1 more source

Structural barriers to health care as risk factors for preterm and small-for-gestational-age birth among US-born Black and White mothers. [PDF]

Health Place
Curtis DS, Waitzman N, Kramer MR, Shakib JH.   +3 more
europepmc   +1 more source

Polarizable Vanadium Dipoles Promote Water Dissociation on Vanadium‐Based Metal Organic Framework

Advanced Functional Materials, EarlyView.
The polarization of unpaired V 3d electrons weakens the H─O bond to improve water dissociation by the dual Vδ+:O─H and Pλ−:H─O coupling hydrogen bonds formation and relaxation. P@V‐MOF electrocatalyst shows low overpotentials (94 mV in acid, 178 mV in neutral, and 77 mV in alkaline solutions) with excellent stability for effective overall water ...
Xinjuan Liu, Jun Xu, Minmin Fan, Jingcheng Xu, Mengyuan Li, Yun Gong, Weiwei Yang, Lei Li, Yong Zhou, Deqiang Zhao, Yuhua Xue, Xingtao Xu, Chang Q. Sun, Liming Dai   +13 more
wiley   +1 more source

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

Advanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa, Milan Buttberg, Ke Ran, Rana Walied Ahmad, Dennis Braun, Lukas Völkel, Jimin Lee, Sofía Cruces, Bart Macco, Bárbara Canto, Holger Lerch, Thorsten Wahlbrink, Holger Kalisch, Michael Heuken, Andrei Vescan, Joachim Mayer, Zhenxing Wang, Ilia Valov, Stephan Menzel, Max C. Lemme   +19 more
wiley   +1 more source

Structural barriers explain the link between negative community re-entry experiences and motives for illegal behavior in street-identified Black men and women. [PDF]

Am J Community Psychol
Bounoua N, Sadeh N, Payne YA, Hitchens BK.   +3 more
europepmc   +1 more source

Organisation of testing services, structural barriers and facilitators of routine HIV self-testing during sexually transmitted infection consultations: a qualitative study of patients and providers in Abidjan, Côte d'Ivoire. [PDF]

BMC Infect Dis
Boye S, Kouadio A, Kouvahe AF, Vautier A, Ky-Zerbo O, Rouveau N, Maheu-Giroux M, Silhol R, Simo Fotso A, Larmarange J, Pourette D, for ATLAS team.   +11 more
europepmc   +1 more source

Gender Norms and Structural Barriers to Use of HIV Prevention in Unmarried and Married Young Women in Manicaland, Zimbabwe: An HIV Prevention Cascade Analysis. [PDF]

Gates Open Res
Gregson S, Moorhouse L, Maswera R, Dadirai T, Mandizvidza P, Skovdal M, Nyamukapa C.   +6 more
europepmc   +1 more source

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Generalized-barrier parameters for single-barrier structures and resonance width in asymmetrical double-barrier structures

Superlattices and Microstructures, 1998
Generalized-barrier parameters are studied theoretically for rectangular and trapezoidal single-barriers as well as parallel-plane ones, which are basic units for double-barrier and multiple-barrier structures. Analytical expressions for these parameters are derived by taking into account the position-dependent effective-mass effect.
X.D. Zhao, H. Yamamoto, K. Taniguchi
openaire   +1 more source