Published: May 2, 2024
Language: Английский
Advanced Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 2, 2025
The increasing demand for mobile artificial intelligence applications has elevated edge computing to a prominent research area. Silicon materials, renowned their excellent electrical properties, are extensively utilized in traditional electronic devices. However, the development of silicon materials flexible neuromorphic devices encounters great challenges. To address these limitations, ultrasoft nanomembranes have emerged as focal point due capability preserve superior properties while providing substantial mechanical flexibility and interfacial tunability. Despite advantages, difficulties remain transfer process integration synaptic transistors. In this work, an organic-inorganic hybrid polyimide-Al
Language: Английский
Citations
2
Nano Convergence, Journal Year: 2023, Volume and Issue: 10(1)
Published: April 30, 2023
Abstract Epitaxy technology produces high-quality material building blocks that underpin various fields of applications. However, fundamental limitations exist for conventional epitaxy, such as the lattice matching constraints have greatly narrowed down choices available epitaxial combinations. Recent emerging epitaxy techniques remote and van der Waals shown exciting perspectives to overcome these provide freestanding nanomembranes massive novel Here, we review mechanism fundamentals produce nanomembranes. Key benefits are exclusive two growth strategies comprehensively summarized. A number original applications also been discussed, highlighting advantages films-based designs. Finally, discuss current with possible solutions potential future directions towards nanomembranes-based advanced heterogeneous integration. Graphical
Language: Английский
Citations
25
Small Methods, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 6, 2025
Abstract Wide‐bandgap semiconductors (WBGS) with energy bandgaps larger than 3.4 eV for GaN and 3.2 SiC have gained attention their superior electrical thermal properties, which enable high‐power, high‐frequency, harsh‐environment devices beyond the capabilities of conventional semiconductors. Pushing potential WBGS boundaries, current research is redefining field by broadening material landscape pioneering sophisticated synthesis techniques tailored state‐of‐the‐art device architectures. Efforts include growth freestanding nanomembranes, leveraging unique interfaces such as van der Waals (vdW) heterostructure, integration 2D 3D materials. This review covers recent advances in applications from to Growth WBGS, liquid metal epitaxial methods vdW interfaces, are discussed, role layer lift‐off processes producing nanomembranes investigated. The further delves into electronic devices, including field‐effect transistors high‐electron‐mobility transistors, optoelectronic photodetectors light‐emitting diodes, enabled nanomembranes. Finally, this explores new avenues research, highlighting emerging opportunities addressing key challenges that will shape future field.
Language: Английский
Citations
1
Nanoscale Horizons, Journal Year: 2023, Volume and Issue: 8(10), P. 1345 - 1365
Published: Jan. 1, 2023
The integration of two-dimensional (2D) van der Waals materials with nanostructures has triggered a wide spectrum optical and optoelectronic applications. Photonic structures conventional typically lack efficient reconfigurability or multifunctionality. Atomically thin 2D can thus generate new functionality for well-established library photonic such as integrated waveguides, fibers, crystals, metasurfaces, to name few. Meanwhile, the interaction between light be drastically enhanced well by leveraging micro-cavities resonators high confinement. unique surfaces enable handiness in transfer mixing various prefabricated templates degrees freedom, functionalizing gain, modulation, sensing, plasmonic media diverse Here, we review recent advances synergizing nanophotonic prototyping novel performance enhancements. Challenges scalable preparations transfer, emerging opportunities integrating building blocks beyond are also discussed.
Language: Английский
Citations
21
Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(4)
Published: Oct. 20, 2023
Abstract Transition metal perovskite oxide membranes and their unique properties have attracted great attention recently been developed into one of the research frontiers in condensed matter physics materials science. Free constraint imposed by underlying substrate, freestanding exhibit extraordinary structural tunability flexibility far exceeding bulk epitaxial films clamped on substrates, which substantially extends explorable regime phase diagrams. Moreover, high‐quality membranes, even down to a single unit cell, can be synthesized stacked/integrated with any for novel artificial heterostructures electronic applications. The exceptional stacking ability provide new knobs explore spontaneous symmetry breaking oxides, providing fertile playground emergent primary ferroic/multiferroic Here, recent progress is briefly reviewed promising outlook future ferroic applications discussed.
Language: Английский
Citations
17
Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 478, P. 147382 - 147382
Published: Nov. 14, 2023
Language: Английский
Citations
17
Advanced Science, Journal Year: 2024, Volume and Issue: 11(32)
Published: June 24, 2024
Abstract The demand for low‐dimensional ferroelectric devices is steadily increasing, however, the thick substrates in epitaxial films impede further size miniaturization. Freestanding offer a potential solution by eliminating substrate constraints. Nevertheless, it remains an ongoing challenge to improve stability thin and fragile freestanding under strain temperature. In this work, structure order of PbTiO 3 (PTO) are investigated continuous variation temperature using nondestructive optical second harmonic generation (SHG) technique. findings reveal that there both out‐of‐plane in‐plane domains with polarization along directions orthorhombic‐like PTO films, respectively. contrast, only observed tetragonal films. Remarkably, ferroelectricity strengthened small uniaxial tensile from 0% up 1.66% well‐maintained larger biaxial 2.76% [100] direction 4.46% [010] direction. Moreover, high Curie 630 K identified 50 nm wide‐temperature‐range SHG. These provide valuable understanding development next‐generation electronic nanodevices flexibility thermostability.
Language: Английский
Citations
7
Science Advances, Journal Year: 2024, Volume and Issue: 10(50)
Published: Dec. 11, 2024
Motivated by the growing demand to integrate functional oxides with dissimilar materials, numerous studies have been undertaken detach a oxide film from its original substrate, effectively forming membrane, which can then be affixed desired host material. This review article is centered on synthesis of membranes, encompassing various approaches their synthesis, exfoliation, and transfer techniques. First, we explore characteristics thin-film growth techniques emphasis molecular beam epitaxy. We examine fundamental principles pivotal factors underlying three key creating membranes: (i) chemical lift-off, (ii) two-dimensional layer–assisted (iii) spalling. methods exfoliation for each approach. Last, provide an outlook into future highlighting applications emerging properties.
Language: Английский
Citations
6
Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(41)
Published: June 15, 2023
Abstract The possibility to fabricate freestanding single crystal complex oxide films has raised enormous interest be integrated in next‐generation electronic devices envisaging distinct and novel properties that can deliver unprecedented performance improvement compared traditional semiconductors. use of the water‐soluble Sr 3 Al 2 O 6 (SAO) sacrificial layer detach film from growth substrate significantly expanded perovskite membranes library. Nonetheless, extreme water sensitivity SAO hinders its manipulation ambient conditions restricts deposition approaches those using high vacuum. This study presents a pioneering on role Ca‐substitution solution processed (Sr 3−x Ca x with ⩽ 3) identifying noticeable surface crystallinity preserving smooth morphology while favoring less‐restricted conditions. Then, focuses effect composition subsequent ex situ La 0.7 0.3 MnO (LSMO) by pulsed laser deposition, obtain epitaxial variable degree strain. Finally, strain‐free LSMO metal‐insulator transition at 290 K are delivered. offers hybrid versatile approach prepare easily manipulate crystalline facilitating SAO‐based layer.
Language: Английский
Citations
13
Journal of Composites Science, Journal Year: 2025, Volume and Issue: 9(2), P. 71 - 71
Published: Feb. 5, 2025
Free-standing ferroelectric films have emerged as a transformative technology in the field of flexible electronics, offering unique properties that enable wide range applications, including sensors, actuators, and energy harvesting devices. This review paper explores recent advancements fabrication, characterization, application free-standing films, highlighting innovative techniques such multilayer structures van der Waals epitaxy enhance their performance while maintaining mechanical flexibility. We discuss critical role these next-generation devices, emphasizing potential for integration into multifunctional systems combine sensing capabilities. Additionally, we address challenges related to leakage currents, polarization stability, scalability must be overcome facilitate commercialization. By synthesizing current research findings identifying future directions, this aims provide comprehensive overview state-of-the-art impact on development sustainable efficient electronic technologies.
Language: Английский
Citations
0