Articles tagged with Heterostructures
Researchers have created a new type of 2D material, called a van der Waals heterostructure, which can be rolled up into a thin cylinder. This unique structure holds promise for miniaturized electronics, such as diodes and other devices. The discovery was made by a team of Penn State and University of Tokyo researchers.
Researchers propose a novel vdW heterostructure for MIR light-emission applications using BP and TMDC materials. The BP-WSe2 heterostructure shows a type-I band alignment, enhancing MIR photoluminescence by ~200%. In contrast, the BP-MoS2 heterostructure forms a type-II band alignment, enabling efficient MIR electroluminescence.
Researchers at Ames Laboratory developed a new approach to generating layered, difficult-to-combine heterostructured solids. By smashing pristine materials together through ball milling, they created unique three-dimensional misfit hetero assemblies with distinct electronic and magnetic properties.
Researchers developed a pioneering production method for heterostructure devices based on 2D materials, forming sharp heterointerfaces through mechanical abrasion. The technique enables the creation of various functional devices with superior performance to existing methods.
Researchers have made significant advancements in graphene spintronics, enabling the efficient creation, transport, and detection of spin information. This field holds promise for applications in quantum computation, space communication, and high-speed radio links.
A Purdue University-led research team has found a way to make halide perovskites stable enough for use in solar panels and electronic devices. By inhibiting ion movement, the researchers unlocked their potential to form heterostructures that can perform multiple functions.
Researchers have fabricated organic heterostructures with enormous structural diversity and novel optical/electronical properties using polymorphism. These structures exhibit multiple output channels, structure-dependent optical signals, and good optical waveguide performance.
Researchers from Sungkyunkwan University provide a comprehensive review of heterogeneously integrated two-dimensional materials, enabling the design of novel devices. The review discusses various 2D heterostructures, their physical characteristics, and new functional applications.
Northwestern University researchers have successfully integrated graphene and borophene into 2D heterostructures, enabling the creation of ultrahigh density devices. The achievement demonstrates a significant step towards creating integrated circuits from these nanomaterials.
Researchers at the University of Groningen have successfully created a two-dimensional spin transistor in graphene, which uses charge-to-spin conversion to generate spin currents. The spin transistor can be switched on and off using an electric field, enabling the creation of all-electrical spin circuits.
Scientists from Tokyo Metropolitan University developed a continuous process to grow 2D TMDC heterostructures with varying composition and perfectly flat interfaces. This breakthrough enables the creation of atomically thin electronics with distinct properties, paving the way for devices with unparalleled energy efficiency and novel op...
Researchers develop twisted silicon nanowire approach to separate n-type and p-type dopants, enabling stable p-n junctions. This method simplifies the manufacturing process and lowers costs.
Researchers developed graphene quantum dots embedded in hexagonal boron nitride, enabling successful synthesis of high-quality single-electron transistors. The study demonstrated the manifestation of Coulomb blockade phenomena in each graphene quantum dot as a separate single electron transmission channel.
Researchers discovered that graphene-like materials stack together in a way that changes their properties, creating novel hybrid materials. The twist angle controls the hybridization, enabling precise control over composite materials and nano-devices.
A two-dimensional heterostructure of black phosphorus and bismuth tungstate shows enhanced photocatalytic activity, splitting water and breaking down nitrogen monoxide more effectively than conventional materials. The addition of a platinum-based co-catalyst further boosts the process efficiency.
Researchers studied electronic structures of van der Waals heterostructures under applied vertical electric field, revealing Coulomb interaction's impact on bandedges. This nonlinear variation is attributed to interlayer charge transfer, essential for nanoelectronic device applications.
Scientists have observed intersubband transitions in few-layer 2D materials using s-SNOM, revealing a new class of materials for infrared detection and emission. The study also shows potential for compact integration with Si CMOS.
Scientists have developed a new method to grow organic-inorganic hybrid perovskite nanocrystals on metal sulfide nanosheets using a wet-chemical process, enabling scalable production of solution-processible heterostructures. This approach improves light absorption and energy transfer in optoelectronic devices.
Researchers have successfully controlled excitonic effects in two-dimensional van der Waals heterostructures, a crucial step towards creating electronics with more controlled properties. The breakthrough allows for the creation of unique new materials for solar panels and electronics.
Researchers have developed a facile wet-chemical method to directly grow organic-inorganic hybrid perovskite nanocrystals on dispersible MoS2 nanosheets. This enables the scalable production of solution-processible heterostructures, which exhibit improved light absorption and energy transfer due to their epitaxial interface. The use of...
Researchers created a unified Time-Temperature-Architecture Diagram to guide the fabrication of heterostructures with favorable electronic properties. The blueprint enables the generation of numerous nanostructures with physical properties of interest, paving the way for advancements in computing power and transistors.
A Japanese research team has developed an automated robot that greatly speeds up the collection and assembly of 2D crystals to form van der Waals heterostructures. The robot can detect 400 graphene flakes an hour, stacking four layers in just a few minutes with minimal human input.
Researchers have successfully made magnetic topological insulators at room temperatures, demonstrating a potential breakthrough in creating faster and more efficient electronics. The development uses heterostructures to create magnetism in TI surfaces, allowing for reduced power consumption and increased robustness.
Researchers have developed hybrid organic-inorganic materials with fully controllable structural and electronic properties. By using molecular monolayers to create controllable periodic potentials on the surface of graphene, they can tailor the electronic behavior of graphene field-effect transistor devices.
Scientists develop self-assembled organic molecular lattices with controlled geometry and atomic precision on top of graphene, inducing periodic potentials and unprecedented electrical, magnetic, piezoelectric, and optical functionalities. The approach allows for pre-programming and adjustment of the induced potentials.
Researchers at University of Warwick developed a new technique to measure electronic structures of two-dimensional materials, paving the way for highly efficient nano-circuitry. This breakthrough could lead to smaller, flexible gadgets and revolutionized solar power with strong absorption and efficient power conversion.
Researchers create compact sources of coherent plasmons using van der Waals heterostructures, enabling compact optoelectronic circuits. The discovery has potential applications in signal transmission and tunable sources of terahertz radiation.
Researchers have developed a novel graphene photodetector that can efficiently detect low-energy photons using vertical heterostructures. The device harnesses the photo-thermionic effect to extract hot electrons from graphene, enabling fast and efficient optoelectronic applications.
Researchers at Oak Ridge National Laboratory synthesized a stack of monolayers of two lattice-mismatched semiconductors, gallium selenide and molybdenum diselenide. The achievement demonstrates the promise of synthesizing mismatched layers to enable new families of functional two-dimensional materials.
The IBS Center for Correlated Electron Systems has successfully created monolayer and multilayer samples of the magnetic Van der Waals material NiPS3. This achievement lays the foundation for the development of high-speed, low-energy consuming semiconductors that can be integrated into various devices.
Researchers at Tohoku University discovered a new physics of antiferromagnets, where an applied current induces magnetization switching in neighboring ferromagnets. The findings enable the development of ultralow-power integrated circuits and neuromorphic computing devices with fast and reliable control.
Researchers at the University of Washington successfully combined two different ultrathin semiconductors to form a new two-dimensional heterostructure. This device allows excitons to be preserved in valleys, enabling critical steps in developing nanoscale technologies that integrate light with electronics.
Griffith University researchers have discovered a thousand-fold fluorescence enhancement in an all-polymer thin film due to a novel multi-layer Colloidal Photonic Crystal (CPhC) structure. This breakthrough has significant implications for ultra-sensitive sensing, energy efficiency and lighting devices.
Researchers have successfully created heterostructures with varying widths of graphene nanoribbons using molecular self-assembly. This breakthrough could lead to the deployment of graphene in commercial electronic applications, taking advantage of its unique properties.
Scientists have successfully demonstrated how combining hexagonal boron nitride and graphene can create perfect crystals capable of being used in ultra-high frequency devices. The research paves the way for innovative applications in high-frequency electronics.
Researchers at Berkeley Lab have observed ultrafast charge transfer in MX2 materials, a new family of 2-D semiconductors. The recorded charge transfer time is comparable to the fastest times for organic photovoltaics, opening up potentially rich new avenues for photonics and optoelectronics.
Berkeley Lab researchers have developed a technique to modify graphene boron nitride heterostructures using visible light, preserving high electron mobility. This method enables p–n junctions and flexible doping profiles without sacrificing material quality.
Scientists successfully create 'heterostructures' with novel functionalities, such as tunnelling transistors and solar cells. By controlling the relative orientation between graphene and boron nitride, researchers can reconstruct the crystal structure of graphene and open a band-gap.
Researchers from China's Tsinghua University and the US Department of Energy's Lawrence Berkeley National Laboratory have demonstrated high-temperature superconductivity in a topological insulator. This breakthrough is essential for creating 'fault-tolerant' quantum computers, which can solve complex problems much faster than current m...
Researchers have developed a new class of ultra-sensitive photovoltaic devices using graphene and transition metal dichalcogenides. The devices can potentially be used as ultrasensitive photodetectors or very efficient solar cells, generating electricity from sunlight absorbed by exposed walls.
The researchers developed a new type of nanoscale structure that combines one-dimensional and two-dimensional structures, creating a material with large surface area and efficient charge transfer. This 3D structure holds promise for developing next-generation sensors, photodetectors, solar cells, and energy storage technologies.
Researchers at Vienna University of Technology discovered a new class of materials that can be used to create highly efficient ultra-thin solar cells. The oxide heterostructures separate electrons and holes using an electric field, increasing efficiency.