Results 201 to 210 of about 17,173 (248)

High‐mobility suspended MoS2 devices with tunable threshold voltage

open access: yesInfoMat, EarlyView.
Due to their atomic‐scale thickness, two‐dimensional materials (2DMs) are highly sensitive to their environment, including the substrate. By fabricating various suspended molybdenum disulfide devices, this study demonstrates that the suspended structure can shield the influence of the substrate on the properties of 2DMs, thereby enabling better ...
Jiahao Yan   +17 more
wiley   +1 more source

Emerging single‐element ferroelectrics: From theory to experiment

open access: yesInfoMat, EarlyView.
This review explores recent developments in single‐element ferroelectrics, covering mechanisms of ferroelectric behavior, their crystal structures, key preparation methods, ferroelectric performance characteristics, and promising device applications in field‐effect transistors, photodetectors, and visual perceptrons.
Run Zhao   +7 more
wiley   +1 more source

Field‐free programmable bipolar magnetic heterostructures for neuromorphic computing

open access: yesInfoMat, EarlyView.
Neuromorphic computing mimics the brain's efficiency, yet typical memristors lack biological synapses' dual signal control. We introduce a magnetic memristor enabling bidirectional, multi‐state modulation without external fields, validated in image feature extraction and neural clustering.
Yaping He   +9 more
wiley   +1 more source

The Non‐Professional Virtues of the Hospice Volunteer

open access: yesJournal of Applied Philosophy, EarlyView.
ABSTRACT Volunteers have long played a significant role in hospice care. Much of the care volunteers provide consists of weekly hour‐long in‐home visits. Home‐visiting hospice volunteers are not professionals, nor are they strangers or intimates. Hospice volunteers will not typically face moral dilemmas, nor be called upon to make dramatic decisions ...
Michael B. Gill
wiley   +1 more source

Optical Skyrmions with Tunable or Reconfigurable Topology Using Spin‐Decoupled Metaoptics

open access: yesLaser &Photonics Reviews, EarlyView.
The work introduces advanced optical elements capable of generating and dynamically reconfiguring complex light patterns known as optical skyrmions. By precisely shaping light polarization at the nanoscale, a single engineered metasurface can generate and manipulate robust and tunable polarization textures in an efficient and scalable way.
Andrea Vogliardi   +5 more
wiley   +1 more source

Topological Photonic Devices and Circuits at Terahertz Frequencies

open access: yesLaser &Photonics Reviews, EarlyView.
This review examines how 3D topological insulators and emerging topological photonic phases enable robust, low‐loss and defect‐immune terahertz devices. Fundamental properties, device implementations and topological transport mechanisms are surveyed, revealing new opportunities for reconfigurable, high‐performance THz components and scalable ...
Samane Kalhor   +3 more
wiley   +1 more source

Ultralow‐Backscattering Induced Mode Splitting in Chipscale Valley Photonic Topological Cavities

open access: yesLaser &Photonics Reviews, EarlyView.
The proposed in‐situ metrology based on mode splitting quantifies the ultralow backscattering of topological valley edge states at a single sharp corner, demonstrating near‐lossless topological transport (0.09 dB/corner) on a silicon chip. This work provides insight into the robustness of the photonic valley system and shows the great potential of ...
Kaiji Chen   +5 more
wiley   +1 more source

Single‐Cell Nanodroplet Processing Proteomics Pipeline for Analysis of Human‐Derived Microglia

open access: yesPROTEOMICS, EarlyView.
ABSTRACT Single‐cell omics tools provide unique insights into heterogeneous cell populations and their responses to stimuli. For example, single‐cell RNA sequencing has identified several transcriptionally distinct populations of microglia, which are resident immune cells of the central nervous system (CNS) that are responsive to CNS injury, infection,
Ashley N. Ives   +7 more
wiley   +1 more source

Digitisation of herbarium specimens to the benefit of research: An African perspective focusing on South Africa and Western Indian Ocean Island states

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Botanical exploration, discovery and conservation rely heavily on access to herbarium collections. Recently, digital access to label information, including georeferenced locality data, and images of herbarium specimens available online have greatly increased usage of herbarium specimen data.
Ronell R. Klopper   +9 more
wiley   +1 more source

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