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Properties of a Surface-Gate-Controlled Two-Dimensional Electron Gas in Undoped GaAs/AlGaAs Heterostructures
We studied the properties of electron transport in mesoscopic GaAs/AlGaAs heterostructure without any intentional dopants in which an external...
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Self-heating Characteristics of Mo Electrodes and MoS2 FET Using IR Thermal Imaging Microscope
In this study, the static and transient thermal characteristics of molybdenum electrodes induced by self-heating process are reported. The...
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Electrical Observation of the Effective Mass in a Single-Crystal WTe2 Layer
In order to investigate the effective mass of a single-crystalline WTe 2 layer, we measured the temperature dependence of the Shubnikov-de Haas...
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Surface roughness modulated resistivity in copper thin films
The surfaces of metallic thin films are never flat. The resistivity in thin films is very different from that in bulk because of the unavoidable...
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Design strategy for ferroelectric-based polar metals with dimensionality-tunable electronic states
Since LiOsO 3 was discovered, obtaining easy-accessible polar metals for research and applications has been challenging. In this paper, we present a...
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High-temperature ionic and electronic resistivity of MgO- and Ta2O5- doped aluminum nitride
In this work, using high-temperature impedance spectroscopy and microstructure analysis, we investigated the ionic and the electronic transport...
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Thermal transistor behavior of a harmonic chain
Thermal transistor behavior of a harmonic chain with three heat reservoirs is explicitly analyzed. Temperature profile and heat currents of the...
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Tunable thermoelectric transport properties of Cu0.008Bi2Te2.7Se0.3 via control of the spark plasma sintering conditions
Polycrystalline bulks of n-type Cu 0.008 Bi 2 Te 2.7 Se 0.3 were prepared to investigate the controllability of its thermoelectric transport properties by...
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Enhancement of the thermoelectric figure of merit in n-type Cu0.008Bi2Te2.7Se0.3 by using Nb do**
Do** with foreign atom has been shown to be an effective way to enhance the dimensionless figure of merit ZT of Bi 2 Te 3 -based thermoelectric raw...
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Effects of do** on the positional uniformity of the thermoelectric properties of n-type Bi2Te2.7Se0.3 polycrystalline bulks
The reproducibility problem is one of the central issues in n -type Bi 2 Te 3 -based thermoelectric materials. We herein investigate the effects of do**...
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Thermoelectric properties of the ceramic oxide Sr1−x La x TiO3
The effect of lanthanum on the electric and the thermoelectric properties of the ceramic oxide Sr 1− x La x TiO 3 (where x = 0.0, 0.04, 0.06, 0.08 and...
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Anisotropy of the thermoelectric figure of merit (ZT) in textured Ca3Co4O9 ceramics prepared by using a spark plasma sintering process
Textured Ca 3 Co 4 O 9 ceramics were prepared by spark plasma sintering (SPS) from commercial CaCO 3 and Co 3 O 4 powders to investigate the thermoelectric...
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Space charge redistribution in bi-layered resistance switching materials
In modeling resistance switching of metal oxides, migration of ion species is assumed to explain the local modulation of energy barriers or...
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Thermoelectric properties and violation of the Wiedemann-Franz law in Bi2−x Cu x Se3 (x ≤ 0.1)
We investigated the thermoelectric properties of melted crystalline ingots and hot-press sintered compounds of Bi 2− x Cu x Se 3 ( x ≤ 0.1). The divalent...
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Electrochemical performance of LiFePO4/C cathode material modified with V2O5
LiFePO 4 /C composites are prepared from amorphous FePO 4 ∙ x H 2 O and are modified with crystalline metal oxide V 2 O 5 by using a solid-state reaction...
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Electrical properties of indium-tin-oxide films treated with an intense ion beam current
The authors investigated the electrical properties of low-temperature-deposited indium-tin-oxide (ITO) films treated with an argon-ion beam (AIB) at...
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Anisotropic c–f hybridization in the Kondo semiconductor CeFe2Al10
We report a single-crystal study on the Kondo semiconductor CeFe 2 Al 10 in which we measured the magnetic susceptibility, electrical resistivity,...
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High-pressure studies of DyB2C2
We performed single-crystal neutron diffraction experiments and electrical resistivity measurements under high pressure on DyB 2 C 2 showing both the...
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Extraordinary hall effect in Pt- or Ni-based multilayer stacks with strong perpendicular magnetic anisotropy
We determine in high anisotropy Pt/Co- and Ni/Co-based multilayer materials, which are candidates for high density storage applications, the...
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Poly-crystallinity of indium-tin-oxide films improved by using simultaneous ion beam and heat treatment of the plastic substrate
The combined treatment effects of an ion beam with directionality and heat of a low temperature on a plastic substrate was investigated as a method...