Shigeo Maruyama
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View article: Toda lattice formed in nonequilibrium steady states of SWCNT
Toda lattice formed in nonequilibrium steady states of SWCNT Open
Toda lattice or FPUT chain-like dynamics have been regarded as the prerequisite condition to explain the length dependency of high thermal conductivity of low-dimensional systems at the nanoscale. In this paper, a hypothetical condition is…
View article: Analysis of Fe and Co binary catalysts in chemical vapor deposition growth of single-walled carbon nanotubes
Analysis of Fe and Co binary catalysts in chemical vapor deposition growth of single-walled carbon nanotubes Open
Metal catalysts play a pivotal role in the growth of single-walled carbon nanotubes (SWCNTs), with binary metallic catalysts emerging as an efficient SWCNT synthesis strategy. Among these, iron (Fe), cobalt (Co), and their alloys are parti…
View article: Metallic NbS2 one-dimensional van der Waals heterostructures
Metallic NbS2 one-dimensional van der Waals heterostructures Open
This study presents the experimental realization of metallic NbS2-based one-dimensional van der Waals heterostructures applying a modified NaCl-assisted chemical vapor deposition approach. By employing a "remote salt" strategy, precise con…
View article: The Impact of Occlusal Support Patterns in Right‐Handed Denture Wearers on Oral Function and Oral Health‐Related Quality of Life
The Impact of Occlusal Support Patterns in Right‐Handed Denture Wearers on Oral Function and Oral Health‐Related Quality of Life Open
Background Denture treatment for unilateral distal extension defects can cause organic and functional asymmetry in the oral cavity, which may be influenced by physical laterality and the preferred chewing side (PCS). However, existing clas…
View article: Catalyst-mediated etching of carbon nanotubes exhibiting electronic-structure insensitivity and reciprocal kinetics with growth
Catalyst-mediated etching of carbon nanotubes exhibiting electronic-structure insensitivity and reciprocal kinetics with growth Open
The selective etching of carbon nanotubes has been widely explored as a post-synthetic route for enriching semiconducting species. As nanoelectronic applications increasingly demand pure semiconducting nanotubes for use in field-effect tra…
View article: Janus MoSSe Nanotubes on 1D SWCNT‐BNNT van der Waals Heterostructure
Janus MoSSe Nanotubes on 1D SWCNT‐BNNT van der Waals Heterostructure Open
Two‐dimensional (2D) Janus transition metal dichalcogenide (TMDC) layers with broken mirror symmetry exhibit giant Rashba splitting and unique excitonic behavior. For their one‐dimensional (1D) counterparts, the Janus nanotubes possess cur…
View article: Low-Temperature Synthesis of Weakly Confined Carbyne Inside Single-Walled Carbon Nanotubes
Low-Temperature Synthesis of Weakly Confined Carbyne Inside Single-Walled Carbon Nanotubes Open
Carbyne, a one-dimensional (1D) carbon allotrope with alternating triple and single bonds, has the highest known mechanical strength but is unstable to bending, limiting its synthesis to short linear chains. Encapsulation within carbon nan…
View article: Machine-Learned Bond-Order Potential for Exploring the Configuration Space of Carbon
Machine-Learned Bond-Order Potential for Exploring the Configuration Space of Carbon Open
Construction of transferable machine-learning interatomic potentials with a minimal number of parameters is important for their general applicability. Here, we present a machine-learning interatomic potential with the functional form of th…
View article: Pseudotunnel Magnetoresistance in Twisted van der Waals Fe<sub>3</sub>GeTe<sub>2</sub> Homojunctions
Pseudotunnel Magnetoresistance in Twisted van der Waals Fe<sub>3</sub>GeTe<sub>2</sub> Homojunctions Open
Twistronics, a novel engineering approach involving the alignment of van der Waals (vdW) integrated two‐dimensional materials at specific angles, has recently attracted significant attention. Novel nontrivial phenomena have been demonstrat…
View article: Intrinsic Temperature Dependence of Raman-Active Modes in Individual Isolated Single- and Double-Walled Carbon Nanotubes
Intrinsic Temperature Dependence of Raman-Active Modes in Individual Isolated Single- and Double-Walled Carbon Nanotubes Open
The intrinsic temperature dependence of Raman-active modes in carbon nanotubes (CNTs), particularly the radial breathing mode (RBM), has been a topic of a long-standing controversy. In this study, we prepared suspended individual CNTs to i…
View article: Chirality-Dependent Kinetics of Single-Walled Carbon Nanotubes from Machine-Learning Force Fields
Chirality-Dependent Kinetics of Single-Walled Carbon Nanotubes from Machine-Learning Force Fields Open
The origin of the chirality of single-walled carbon nanotubes (SWCNTs) has been a long-standing dispute. Molecular dynamics (MD) simulations driven by machine-learning force fields (MLFF), which can study the interface dynamics under near …
View article: Low-Temperature Synthesis of Weakly Confined Carbyne inside Single-Walled Carbon Nanotubes
Low-Temperature Synthesis of Weakly Confined Carbyne inside Single-Walled Carbon Nanotubes Open
Carbyne, a one-dimensional (1D) carbon allotrope with alternating triple and single bonds, has the highest known mechanical strength but is unstable to bending, limiting synthesis to short linear chains. Encapsulation within carbon nanotub…
View article: Molecular Dynamics of Catalyst-Free Edge Elongation of Boron Nitride Nanotubes Coaxially Grown on Single-Walled Carbon Nanotubes
Molecular Dynamics of Catalyst-Free Edge Elongation of Boron Nitride Nanotubes Coaxially Grown on Single-Walled Carbon Nanotubes Open
Recent advances in low-dimensional materials have enabled the synthesis of single-walled carbon nanotubes encapsulated in hexagonal boron nitride (BN) nanotubes (SWCNT@BNNT), creating one-dimensional van der Waals (vdW) heterostructures. H…
View article: Efficient Growth of 1D Van der Waals Heterostructures on Zeolite‐Supported SWCNTs
Efficient Growth of 1D Van der Waals Heterostructures on Zeolite‐Supported SWCNTs Open
The controlled synthesis of 1D van der Waals (1D vdW) heterostructures, specifically single‐walled carbon nanotubes encapsulated within boron nitride nanotubes (SWCNT@BNNT), presents a challenge due to an incomplete understanding of the fa…
View article: Strongly hybridized phonons in one-dimensional van der Waals crystals
Strongly hybridized phonons in one-dimensional van der Waals crystals Open
The phenomena of pronounced electron-electron and electron-phonon interactions in one-dimensional (1D) systems are ubiquitous, which are well described by frameworks of Luttinger liquid, Peierls instability and concomitant charge density w…
View article: Janus MoSSe nanotubes on one-dimensional SWCNT-BNNT van der Waals heterostructures
Janus MoSSe nanotubes on one-dimensional SWCNT-BNNT van der Waals heterostructures Open
2D Janus TMDC layers with broken mirror symmetry exhibit giant Rashba splitting and unique excitonic behavior. For their 1D counterparts, the Janus nanotubes possess curvature, which introduce an additional degree of freedom to break the s…
View article: Statistical modeling of equilibrium phase transition in confined fluids
Statistical modeling of equilibrium phase transition in confined fluids Open
The phase transition of confined fluids in mesoporous materials deviates from that of bulk fluids due to the interactions with the surrounding heterogeneous structure. For example, adsorbed fluids in metal-organic-frameworks (MOFs) have at…
View article: Evaluating the Efficiency of Boron Nitride Coating in Single-Walled Carbon-Nanotube-Based 1D Heterostructure Films by Optical Spectroscopy
Evaluating the Efficiency of Boron Nitride Coating in Single-Walled Carbon-Nanotube-Based 1D Heterostructure Films by Optical Spectroscopy Open
Single-walled carbon nanotube (SWCNT) films exhibit exceptional optical and electrical properties, making them highly promising for scalable integrated devices. Previously, we employed SWCNT films as templates for the chemical vapor deposi…
View article: Bi-Hamiltonian in Semiflexible Polymer as Strongly Coupled System
Bi-Hamiltonian in Semiflexible Polymer as Strongly Coupled System Open
The memory effect, which quantifies the interconnection between the target system and its environment, correlates states between distinct Hamiltonians. In this paper, we propose the diffusion process derived from Smoluchowski equation that…
View article: Ion and Hydrodynamic Translucency in 1D van der Waals Heterostructured Boron-Nitride Single-Walled Carbon Nanotubes
Ion and Hydrodynamic Translucency in 1D van der Waals Heterostructured Boron-Nitride Single-Walled Carbon Nanotubes Open
An unresolved challenge in nanofluidics is tuning ion selectivity and hydrodynamic transport in pores, particularly for those with diameters larger than a nanometer. In contrast to conventional strategies that focus on changing surface fun…
View article: DeepCNT-22 - Model and Dataset
DeepCNT-22 - Model and Dataset Open
This dataset supports our publication Dynamics of Growing Carbon Nanotube Interfaces Probed by Machine Learning-Enabled Molecular Simulations. It includes the DeepCNT-22 model, a machine learning force field (MLFF) developed for simulating…
View article: DeepCNT-22 - Model and Dataset
DeepCNT-22 - Model and Dataset Open
This dataset supports our publication Dynamics of Growing Carbon Nanotube Interfaces Probed by Machine Learning-Enabled Molecular Simulations. It includes the DeepCNT-22 model, a machine learning force field (MLFF) developed for simulating…
View article: Enhanced Thermal Conductivity of Single‐Walled Carbon Nanotube with Axial Tensile Strain Enabled by Boron Nitride Nanotube Anchoring
Enhanced Thermal Conductivity of Single‐Walled Carbon Nanotube with Axial Tensile Strain Enabled by Boron Nitride Nanotube Anchoring Open
Thermal conductivity measurements are conducted by optothermal Raman technique before and after the introduction of an axial tensile strain in a suspended single‐walled carbon nanotube (SWCNT) through end‐anchoring by boron nitride nanotub…
View article: Coaxial boron nitride nanotubes as interfacial dielectric layers to lower interface trap density in carbon nanotube transistors
Coaxial boron nitride nanotubes as interfacial dielectric layers to lower interface trap density in carbon nanotube transistors Open
A semiconductor/dielectric interface is one of the dominant factors in device characteristics, and a variety of oxides with high dielectric constants and low interface trap densities have been used in carbon nanotube transistors. Given the…