Kuei‐Shu Chang‐Liao
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View article: Quasi-solid lithium-ion cells built with water-soluble pectin and PEG electrolytes
Quasi-solid lithium-ion cells built with water-soluble pectin and PEG electrolytes Open
View article: Advanced TiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> Bilayer ALD Coatings for Improved Lithium-Rich Layered Oxide Electrodes
Advanced TiO<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> Bilayer ALD Coatings for Improved Lithium-Rich Layered Oxide Electrodes Open
Surface modification is a highly effective strategy for addressing issues in lithium-rich layered oxide (LLO) cathodes, including phase transformation, particle cracking, oxygen gas release, and transition-metal ion dissolution. Existing s…
View article: Enhanced fast charging capabilities in natural graphite/iron cross-linked pectin electrodes for lithium-ion batteries
Enhanced fast charging capabilities in natural graphite/iron cross-linked pectin electrodes for lithium-ion batteries Open
Pectin, used as a binder for graphite anodes with iron for ion-crosslinking, improves Li storage. Iron-doped pectin electrodes achieve 450 mA h g −1 after 100 cycles at 1C, demonstrating superior performance.
View article: High-Performance P- and N-Type SiGe/Si Strained Super-Lattice FinFET and CMOS Inverter: Comparison of Si and SiGe FinFET
High-Performance P- and N-Type SiGe/Si Strained Super-Lattice FinFET and CMOS Inverter: Comparison of Si and SiGe FinFET Open
This research presents the optimization and proposal of P- and N-type 3-stacked Si0.8Ge0.2/Si strained super-lattice FinFETs (SL FinFET) using Low-Pressure Chemical Vapor Deposition (LPCVD) epitaxy. Three device structures, Si FinFET, Si0.…
View article: Opto Field-Effect Transistors for Detecting Quercetin–Cu2+ Complex
Opto Field-Effect Transistors for Detecting Quercetin–Cu2+ Complex Open
In this study, we explored the potential of applying biosensors based on silicon nanowire field-effect transistors (bio–NWFETs) as molecular absorption sensors. Using quercetin and Copper (Cu2+) ion as an example, we demonstrated the use o…
View article: Photothermal Responsivity of van der Waals Material-Based Nanomechanical Resonators
Photothermal Responsivity of van der Waals Material-Based Nanomechanical Resonators Open
Nanomechanical resonators made from van der Waals materials (vdW NMRs) provide a new tool for sensing absorbed laser power. The photothermal response of vdW NMRs, quantified from the resonant frequency shifts induced by optical absorption,…
View article: Vibrational and electrochemical studies of pectin—a candidate towards environmental friendly lithium-ion battery development
Vibrational and electrochemical studies of pectin—a candidate towards environmental friendly lithium-ion battery development Open
Pectin polymers are considered for lithium-ion battery electrodes. To understand the performance of pectin as an applied buffer layer, the electrical, magnetic, and optical properties of pectin films are investigated. This work describes a…
View article: Optoelectrical Nanomechanical Resonators Made from Multilayered Two-Dimensional Materials
Optoelectrical Nanomechanical Resonators Made from Multilayered Two-Dimensional Materials Open
Studies involving nanomechanical motion have evolved from the detection and understanding of its fundamental aspects to its promising practical utility as an integral component of hybrid systems. The nanomechanical resonators' indispensabl…
View article: Photothermal responsivity of van der Waals material-based nanomechanical resonators
Photothermal responsivity of van der Waals material-based nanomechanical resonators Open
Nanomechanical resonators made from van der Waals materials (vdW NMRs) provide a new tool for sensing absorbed laser power. The photothermal response of vdW NMRs, quantified from the resonant frequency shifts induced by optical absorption,…
View article: Fabry–Perot interferometric calibration of van der Waals material-based nanomechanical resonators
Fabry–Perot interferometric calibration of van der Waals material-based nanomechanical resonators Open
Multilayer interference approach is applied to confocal microscopy images of an electromotive-driven van der Waals material nanomechanical resonator to extract its thickness, gap height, and motional amplitude in the frequency and spatial …
View article: Optoelectrical Nanomechanical Resonators Made From Multilayered 2D Materials
Optoelectrical Nanomechanical Resonators Made From Multilayered 2D Materials Open
Studies involving nanomechanical motion have evolved from its detection and understanding of its fundamental aspects to its promising practical utility as an integral component of hybrid systems. Nanomechanical resonators’ indispensable ro…
View article: Optoelectrical nanomechanical resonators made from multilayered 2D materials
Optoelectrical nanomechanical resonators made from multilayered 2D materials Open
Studies involving nanomechanical motion have evolved from its detection and understanding of its fundamental aspects to its promising practical utility as an integral component of hybrid systems. Nanomechanical resonators' indispensable ro…
View article: Imaging Off‐Resonance Nanomechanical Motion as Modal Superposition
Imaging Off‐Resonance Nanomechanical Motion as Modal Superposition Open
Observation of resonance modes is the most straightforward way of studying mechanical oscillations because these modes have maximum response to stimuli. However, a deeper understanding of mechanical motion can be obtained by also looking a…
View article: Fabry-Perot Interferometric Calibration of 2D Nanomechanical Plate Resonators
Fabry-Perot Interferometric Calibration of 2D Nanomechanical Plate Resonators Open
Displacement calibration of nanomechanical plate resonators presents a challenging task. Large nanomechanical resonator thickness reduces the amplitude of the resonator motion due to its increased spring constant and mass, and its unique r…
View article: Fe-Vacancy-Ordered Fe4Se5: The Insulating Parent Phase of FeSe Superconductor
Fe-Vacancy-Ordered Fe4Se5: The Insulating Parent Phase of FeSe Superconductor Open
We carried out a detailed study to investigate the existence of an insulating parent phase for FeSe superconductors. The insulating Fe4Se5 with √5 × √5 Fe-vacancy order shows a 3D-Mott variable-range-hopping behavior with a Verwey-like ele…
View article: Fe-vacancy ordered Fe4Se5: The insulating parent phase of FeSe superconductor
Fe-vacancy ordered Fe4Se5: The insulating parent phase of FeSe superconductor Open
We have carried out a detailed study to investigate the existence of an insulating parent phase for FeSe superconductor. The insulating Fe4Se5 with specific Fe-vacancy order shows a 3D-Mott variable range hopping behavior with a Verwey-lik…
View article: Observing off-resonance motion of nanomechanical resonators as modal superposition
Observing off-resonance motion of nanomechanical resonators as modal superposition Open
Observation of resonance modes is the most straightforward way of studying mechanical oscillations because these modes have maximum response to stimuli. However, a deeper understanding of mechanical motion could be obtained by also looking…
View article: Magnetotransport studies of Fe vacancy-ordered Fe <sub>4+δ</sub> Se <sub>5</sub> nanowires
Magnetotransport studies of Fe vacancy-ordered Fe <sub>4+δ</sub> Se <sub>5</sub> nanowires Open
Significance This work reveals that Fe 4+δ Se 5 with ordered Fe vacancy is a nonoxide compound with the Verwey-like electronic correlation. Detailed measurements showing magnetic field-independent magnetoresistance at low temperature sugge…
View article: Possible Topological Phase Transition in Fe-Vacancy-Ordered $β$-Fe$_{4+δ}$Se$_{5}$ Nanowires
Possible Topological Phase Transition in Fe-Vacancy-Ordered $β$-Fe$_{4+δ}$Se$_{5}$ Nanowires Open
We studied the electrical transport on $β$-Fe$_{4+δ}$Se$_{5}$ single-crystal nanowires, exhibiting $\sqrt{5}\times\sqrt{5}$ Fe-vacancy order and mixed valence of Fe. We observed a first-order metal-insulator transition of the transition te…