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Fabrication with Characterization of Single-Walled Carbon Nanotube Thin Film Transistor (CNT-TFT) by Spin Coating Method for Flat Panel Display.
Recent Pat Nanotechnol
January 2025
Department of Electronic Engineering, University of KwaZulu-Natal, Durban, South Africa.
Background: Thin Film Transistors (TFTs) are increasingly prevalent electrical components in display products, ranging from smartphones to diagonal flat panel TVs. The limitations in existing TFT technologies, such as high-temperature processing, carrier mobility, lower ON/OFF ratio, device mobility, and thermal stability, result in the search for new semiconductor materials with superior properties.
Objective: The main objective of this present work is to fabrícate the efficient Single-Walled Carbon Nanotube Thin Film Transistor (TFT) for flat panel display.
The Effect of Ga-Ion Irradiation on Sub-Micron-Wavelength Spin Waves in Yttrium-Iron-Garnet Films.
Nanotechnology
January 2025
Technische Universität München School of Computation Information and Technology, Hans-Piloty-Strasse 1, 85748 Garching bei Muenchen, Munich, 85748, GERMANY.
We investigate the effect of focused-ion-beam (FIB) irradiation on spin waves with sub-micron wavelengths in Yttrium-Iron-Garnet (YIG) films. Time-resolved scanning transmission X-ray (TR-STXM) microscopy was used to image the spin waves in irradiated regions and deduce corresponding changes in the magnetic parameters of the film. We find that the changes of Gairradiation can be understood by assuming a few percent change in the effective magnetizationof the film due to a trade-off between changes in anisotropy and effective film thickness.
View Article and Find Full Text PDFPhonon Involved Photoluminescence of Mn Ions Doped CsPbCl Micro-Size Perovskite Assembled Crystals.
Adv Sci (Weinh)
January 2025
State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi'an, 710072, P. R. China.
Mn ions doped CsPbCl perovskite nanocrystals (NCs) exhibit superiority of spin-associated optical and electrical properties. However, precisely controlling the doping concentration, doping location, and the mono-distribution of Mn ions in the large-micro-size CsPbCl perovskite host is a formidable challenge. Here, the micro size CsPbCl perovskite crystals (MCs) are reported with uniform Mn ions doping by self-assembly of Mn ions doped CsPbCl perovskite NCs.
View Article and Find Full Text PDFElectron-phonon coupling and coherent energy superposition induce spin-sensitive orbital degeneracy for enhanced acidic water oxidation.
Nat Commun
January 2025
Institute of Biomedical Engineering, College of Life Sciences, Qingdao University, Qingdao, China.
The development of acid-stable water oxidation electrocatalysts is crucial for high-performance energy conversion devices. Different from traditional nanostructuring, here we employ an innovative microwave-mediated electron-phonon coupling technique to assemble specific Ru atomic patterns (instead of random Ru-particle depositions) on MnCrO surfaces (Ru-MnCrO) in RuCl solution because hydrated Ru-ion complexes can be uniformly activated to replace some Mn sites at nearby Cr-dopants through microwave-triggered energy coherent superposition with molecular rotations and collisions. This selective rearrangement in Ru-MnCrO with particular spin-differentiated polarizations can induce localized spin domain inversion from reversed to parallel direction, which makes Ru-MnCrO demonstrate a high current density of 1.
View Article and Find Full Text PDFChiral induction at the nanoscale and spin selectivity in electron transmission in chiral methylated BEDT-TTF derivatives.
Nanoscale
January 2025
Department of Engineering "Enzo Ferrari", (DIEF), Univ. of Modena, Via Vivarelli 10, 41125 Modena, Italy.
Great efforts have been made in the last few decades to realize electronic devices based on organic molecules. A possible approach in this field is to exploit the chirality of organic molecules for the development of spintronic devices, an applicative way to implement the chiral-induced spin selectivity (CISS) effect. In this work we exploit enantiopure tetrathiafulvalene (TTF) derivatives as chiral inducers at the nanoscale.
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