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Cracks in Magnetic Nanocrystal Films: Do Directional and Isotropic Crack Patt...
In this letter, we show that the use of nanocrystals enables new insights into the scaling law of crack patterns. Directional and isotropic crack patterns made of γ-Fe2O3... -
Magnetic measurement of strain-induced martensite formation in Fe–30Ni steel
This investigation focuses on deformation-induced plasticity in Invar-type steel alloys. The effect is being studied in an austenitic model alloy, containing 30 wt-% of nickel.... -
Ligand-Induced Anisotropy of the Two-Photon Luminescence of Spherical Gold Pa...
Here we report on the visible luminescence properties of individual spherical gold particles in solution, obtained by two-photon excited fluorescence correlation spectroscopy... -
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With the increasing demand for green energy, the cheap tea waste is recycled to produce three-dimensional framework of porous carbon nanosheets materials with commercial value... -
Detection of Nanoscale Magnetic Activity Using a Single Carbon Nanotube
The ultimate conductometric sensor for ferromagnetic activity of nanoscale magnetic materials could be a single carbon nanotube. We show that the electrical conductance of an... -
Self-supporting soft carbon fibers as binder-free and flexible anodes for hig...
Sodium batteries are considered as the most promising candidates for next generation power source. Carbon materials are the most viable anode material for sodium ion batteries.... -
A Multi-Wall Carbon Nanotube Tower Electrochemical Actuator
Patterned multiwall carbon nanotube arrays up to four millimeters long were synthesized using chemical vapor deposition. Electrochemical actuation of a nanotube array tower was... -
Mesoporous Bragg Stack Color Tunable Sensors
Herein we report a novel self-assembly synthesis, structural and optical characterization of mesoporous Bragg stacks (MBS) composed of spin-coated multilayer stacks of... -
Anisotropic Etching and Nanoribbon Formation in Single-Layer Graphene
We demonstrate anisotropic etching of single-layer graphene by thermally-activated nickel nanoparticles. Using this technique, we obtain sub-10nm nanoribbons and other graphene... -
Designing a data-driven leagile sustainable closed-loop supply chain network
Nowadays, there is a great deal of interest in applying sustainability concepts for logistics and supply chain management. This paper proposes a new multi objective model in the... -
Hyperspectral photoacoustic spectroscopy of highly-absorbing samples for diag...
ABSTRACTPhotoacoustic spectroscopy has been used to measure optical absorption coefficient and the application of tens of wavelength bands in photoacoustic spectroscopy was... -
Flexible Piezotronic Strain Sensor
Strain sensors based on individual ZnO piezoelectric fine-wires (PFWs; nanowires, microwires) have been fabricated by a simple, reliable, and cost-effective technique. The... -
Ionic Screening of Charged-Impurity Scattering in Graphene
We have studied the ionic screening effect on the charge transport properties of graphene field effect transistors. By increasing the ionic concentration, we found dramatic... -
Contact Geometry and Conductance of Crossed Nanotube Junctions under Pressure
We explored the relative stability, structure, and conductance of crossed nanotube junctions with dispersion corrected density functional theory. We found that the most stable... -
Permeable Silica Shell through Surface-Protected Etching
We describe a “surface-protected etching” strategy that allows convenient conversion of sol−gel derived silica into porous structures. Poly(vinyl pyrrolidone) is used to protect... -
Photoinduced Charge Transfer and Efficient Solar Energy Conversion in a Blend...
We present measurements of charge transfer and the photovoltaic effect in a blend of the alternating polyfluorene copolymer... -
Carbon Nanotubes as Injection Electrodes for Organic Thin Film Transistors
We have investigated the charge injection efficiency of carbon nanotube electrodes for organic semiconducting layers and compared their performance to that of traditional noble... -
Charge Transport in Dual Gated Bilayer Graphene with Corbino Geometry
The resistance of dual-gated bilayer graphene is measured as a function of temperature and gating electric fields in the Corbino geometry which precludes edge transport. The... -
Suppression of Auger Processes in Confined Structures
We explore how the size and shape of the microscopic confinement potential affects the nonradiative Auger decay rate of confined carriers. Calculations conducted in the... -
Thickness-Dependent Thermal Conductivity of Encased Graphene and Ultrathin Gr...
The thermal conductivity of graphene and ultrathin graphite (thickness from 1 to ∼20 layers) encased within silicon dioxide was measured using a heat spreader method. The...
