Heterojunction
View article: Integrated emitters with CMOS-compatible tuning for large scale quantum SiN photonic circuits
Integrated emitters with CMOS-compatible tuning for large scale quantum SiN photonic circuits Open
Next-generation scalable quantum photonic technologies operating at the single photon level rely on bringing together optimized quantum building blocks with minimal optical coupling losses. Achieving this necessitates the heterogeneous int…
View article: Spin-polarized transport and quantum phase transitions in one-dimensional superconductor-ferromagnetic insulator heterostructures
Spin-polarized transport and quantum phase transitions in one-dimensional superconductor-ferromagnetic insulator heterostructures Open
View article: Phonon-tunable THz magnonic emission in multiferroic heterostructures
Phonon-tunable THz magnonic emission in multiferroic heterostructures Open
Collective excitations such as magnons and polar phonons provide natural access to the terahertz (THz) regime, but efficient generation and tunability remain elusive. Multiferroic BiFeO3 combines both orders at room temperature, offering a…
View article: Voltage-tunable impedance at a ferromagnetic-semiconductor interface: spectroscopy and applications in reconfigurable spintronics
Voltage-tunable impedance at a ferromagnetic-semiconductor interface: spectroscopy and applications in reconfigurable spintronics Open
This paper presents a comprehensive impedance spectroscopy investigation of Ag/Ni₈₀Fe₂₀/n-Si/Ag heterostructures fabricated via liquid phase epitaxy, revealing profound insights into the electrical and interface properties of ferromagnetic…
View article: Ultra-low lattice thermal conductivity and superior electronic transport properties endow high thermoelectric performance in Sn0.5Pb0.5O oxide-based superlattice
Ultra-low lattice thermal conductivity and superior electronic transport properties endow high thermoelectric performance in Sn0.5Pb0.5O oxide-based superlattice Open
Inspired by recent experimental synthesis of prototypical Sn(1−x)Pb(x)O under ambient and high-temperature conditions, we systematically construct layered Sn(1−x)Pb(x)O alloys across a range of compositions. Herein, we study the thermoelec…
View article: Ultrastable Ni─Fe─P‐Based Heterostructures for Seawater Electrolysis
Ultrastable Ni─Fe─P‐Based Heterostructures for Seawater Electrolysis Open
Seawater electrolysis, powered by renewable energy, presents a promising and sustainable approach to addressing the issues of freshwater shortage and energy crisis. However, the presence of chloride ions (Cl − ) in seawater poses significa…
View article: Spin-polarized transport and quantum phase transitions in one-dimensional superconductor-ferromagnetic insulator heterostructures
Spin-polarized transport and quantum phase transitions in one-dimensional superconductor-ferromagnetic insulator heterostructures Open
View article: PMMA Nanocomposites Enhanced with ZnO and Cu2O: A Multifunctional Approach to Conductivity and Photocatalysis
PMMA Nanocomposites Enhanced with ZnO and Cu2O: A Multifunctional Approach to Conductivity and Photocatalysis Open
PMMA-based nanocomposites reinforced with metal oxide nanoparticles are the subject of extensive investigation due to their significant potential in nextgeneration transparent electrodes and advanced photocatalytic systems. The central obj…
View article: Design and simulation of interface-tuned Cu$$_{2}$$MgSnS$$_{4}$$ solar cells using transition metal chalcogenides
Design and simulation of interface-tuned Cu$$_{2}$$MgSnS$$_{4}$$ solar cells using transition metal chalcogenides Open
A novel CMTS-absorber-based heterojunction Solar Cell (SC) with device structure FTO/ZnO/Buffer layer (BL) /CMTS/Se has been numerically modeled and simulated using SCAPS-1D software. Our aim is to identify the most promising sulphur-based…
View article: Engineering the Ligand Reactivity through Tailored Electron‐Withdrawing Effects for Outdoor‐Stable Perovskite Solar Cells and Modules
Engineering the Ligand Reactivity through Tailored Electron‐Withdrawing Effects for Outdoor‐Stable Perovskite Solar Cells and Modules Open
2D/3D perovskite heterostructures have advanced the performance of perovskite solar cells. However, ion diffusion at the 2D/3D interface under illumination and prolonged heat affects device stability and scalability. Here, we studied the e…
View article: Size optimization for observeing Majorana fermions
Size optimization for observeing Majorana fermions Open
Majorana fermions (zero modes) are predicted to emerge in nanowire-superconductor heterostructures. This theoretical prediction typically relies on an oversimplified model, where both the nanowire and the superconductor are idealized as on…
View article: Tunable structural, optical, and electrical performance of PEMA/PMMA–CoCl₂ composites for advanced optoelectronics and energy storage applications
Tunable structural, optical, and electrical performance of PEMA/PMMA–CoCl₂ composites for advanced optoelectronics and energy storage applications Open
This work investigates the effects of CoCl₂ doping on the structural, optical, and impedance characteristics of PEMA/PMMA blends for the advancement of sophisticated polymeric multifunctional materials. Composite films containing CoCl₂ wer…
View article: Performance Analysis and Optimization of an InGaAs/GaAsSb Heterojunction Dopingless Tunnel FET with a Heterogate Dielectric
Performance Analysis and Optimization of an InGaAs/GaAsSb Heterojunction Dopingless Tunnel FET with a Heterogate Dielectric Open
An InGaAs/GaAsSb heterojunction dopingless Tunnel FET with a heterogate dielectric is proposed and investigated in this work, aiming to extend the advantages of dopingless TFETs in low-power applications. By employing the InGaAs/GaAsSb het…
View article: Integrated PbTe Quantum Dots for Two-Color Detection in II–VI Wide-Bandgap Diodes
Integrated PbTe Quantum Dots for Two-Color Detection in II–VI Wide-Bandgap Diodes Open
Quantum dots (QDots) composed of the narrow-bandgap semiconductor PbTe were incorporated into the depletion region of p–n junctions based on wide-bandgap II–VI semiconductors (p-ZnTe/n-CdTe). The heterostructures were grown by molecular be…
View article: Ultranarrow polaritonic cavities formed by one-dimensional junctions of two-dimensional in-plane heterostructures
Ultranarrow polaritonic cavities formed by one-dimensional junctions of two-dimensional in-plane heterostructures Open
We propose two-dimensional (2D) in-plane heterostructures, composed of a 2D crystal adjoining a perfect electric conductor (PEC) plane, that enable ultranarrow polaritonic resonant cavities. Specifically, we theoretically investigate the i…
View article: Integrated emitters with CMOS-compatible tuning for large scale quantum SiN photonic circuits
Integrated emitters with CMOS-compatible tuning for large scale quantum SiN photonic circuits Open
Next-generation scalable quantum photonic technologies operating at the single photon level rely on bringing together optimized quantum building blocks with minimal optical coupling losses. Achieving this necessitates the heterogeneous int…
View article: Design of Magnetic TiO <sub>2</sub> @NiFe‐LDH/Fe <sub>3</sub> O <sub>4</sub> Heterostructures for Enhanced Photocatalytic Hydroxylation of Phenol
Design of Magnetic TiO <sub>2</sub> @NiFe‐LDH/Fe <sub>3</sub> O <sub>4</sub> Heterostructures for Enhanced Photocatalytic Hydroxylation of Phenol Open
The efficiency of photocatalytic activity for hydroxylation of phenol is often hindered by rapid recombination of photogenerated charge carriers, posing a challenge for practical applications. Developing heterostructure photocatalysts that…
View article: Carbon Nitrides‐Based Heterojunction for High‐Efficient Li Salt Dissociation
Carbon Nitrides‐Based Heterojunction for High‐Efficient Li Salt Dissociation Open
The solid polymer electrolytes (SPEs) fall short of the stringent requirements of solid‐state lithium metal batteries, primarily due to the insufficient lithium salt dissociation and slow migration rate of Li + ions. In this context, a com…
View article: First-principles prediction a promising direct Z-scheme HfS2/InP van der Waals heterojunction photocatalyst with superior optical absorption, high STH efficiency and strong catalytic activity for overall water-splitting
First-principles prediction a promising direct Z-scheme HfS2/InP van der Waals heterojunction photocatalyst with superior optical absorption, high STH efficiency and strong catalytic activity for overall water-splitting Open
View article: Pronounced scale-dependent charge carrier density in graphene quantum Hall devices
Pronounced scale-dependent charge carrier density in graphene quantum Hall devices Open
The miniaturization of quantum Hall resistance standards (QHRS) using epitaxial graphene on silicon carbide necessitates understanding how device dimensions impact performance. This study reveals a pronounced scale-dependent carrier densit…
View article: Solar-driven direct coupling of atmospheric CO2 with ammonia for urea synthesis
Solar-driven direct coupling of atmospheric CO2 with ammonia for urea synthesis Open
Current CO2 utilization depends on high-purity CO2, necessitating energy-intensive capture and purification from air. Herein, we present a practical system that selectively converts atmospheric CO2 with amm…
View article: Influence of high-temperature overgrowth on electronic states and phonon mode localized at GaP/Si(001) heterointerface
Influence of high-temperature overgrowth on electronic states and phonon mode localized at GaP/Si(001) heterointerface Open
Lattice-matched GaP layers can be grown on Si(001) substrate via a two-step growth procedure, consisting of low-temperature nucleation followed by high-temperature overgrowth. Previous time-resolved spectroscopic studies on a thin GaP nucl…
View article: Photoluminescence Quenching in WSe$_2$ via p-Doping Induced by Functionalized Rylene Dyes
Photoluminescence Quenching in WSe$_2$ via p-Doping Induced by Functionalized Rylene Dyes Open
Hybrid heterostructures combining transition metal dichalcogenides (TMDs) with light-harvesting dyes are promising materials for next-generation optoelectronics. Yet, controlling and understanding interfacial charge transfer mechanisms in …
View article: Heterojunction interface-engineered SnO₂-CuO SAW sensor for room-temperature CO₂ detection with fast response and high selectivity
Heterojunction interface-engineered SnO₂-CuO SAW sensor for room-temperature CO₂ detection with fast response and high selectivity Open
Surface acoustic wave (SAW) sensors demonstrate significant potential in environmental monitoring due to their high sensitivity and fast response capabilities. However, conventional single-component gas-sensitive materials struggle to achi…
View article: Hybrid ionic-electronic semiconductors for interface engineering of ultra-low-dark-current solution-processed SWIR photodetectors
Hybrid ionic-electronic semiconductors for interface engineering of ultra-low-dark-current solution-processed SWIR photodetectors Open
Shortwave infrared (SWIR) photodetectors are essential for industrial, medical, and security applications, but their adoption is limited by reliance on costly epitaxial semiconductors. Solution-processed organic and colloidal quantum dots …
View article: Cr2O3/\b{eta}-Ga2O3 Heterojunction Diodes with Orientation-Dependent Breakdown Electric Field up to 12.9 MV/cm
Cr2O3/\b{eta}-Ga2O3 Heterojunction Diodes with Orientation-Dependent Breakdown Electric Field up to 12.9 MV/cm Open
We report the fabrication of Cr2O3/\b{eta}-Ga2O3 heterojunction diodes using reactive magnetron sputtering of Cr2O3 on highly doped \b{eta}-Ga2O3 bulk substrates along (100), (010), (001), (110), and (011) orientation dependence of high el…
View article: Zero-bias photo-induced charge separation using built-in electric field at p-NiO/n-Ga2O3 heterojunction interface
Zero-bias photo-induced charge separation using built-in electric field at p-NiO/n-Ga2O3 heterojunction interface Open
As a viable alternative to the challenging fabrication of robust β-Ga2O3 p–n homojunctions, this study investigates the variable-temperature photocurrent of p-NiO/n-Ga2O3 heterojunction photodiodes under zero-bias conditions. The device's …
View article: Percolative Pathway to Stripe Order in KTaO3-Based Superconductivity
Percolative Pathway to Stripe Order in KTaO3-Based Superconductivity Open
The sensitivity of low dimensional superconductors to fluctuations gives rise to emergent behaviors beyond the conventional Bardeen Cooper Schrieffer framework. Anisotropy is one such manifestation, often linked to spatially modulated elec…
View article: Goos-Hänchen shift enhancement and refractive index sensing performance of black phosphorenesilicon multilayers
Goos-Hänchen shift enhancement and refractive index sensing performance of black phosphorenesilicon multilayers Open
As a unique optical phenomenon, the Goos–Hänchen (GH) shift has attracted considerable interest due to its broad potential in high-sensitivity sensing, optical switching, and nanoscale photonic devices. In this work, a multilayer heterostr…
View article: Influence of high-temperature overgrowth on electronic states and phonon mode localized at GaP/Si(001) heterointerface
Influence of high-temperature overgrowth on electronic states and phonon mode localized at GaP/Si(001) heterointerface Open
Lattice-matched GaP layers can be grown on Si(001) substrate via a two-step growth procedure, consisting of low-temperature nucleation followed by high-temperature overgrowth. Previous time-resolved spectroscopic studies on a thin GaP nucl…