Electric Resistivity Measurements of Sb2Te3 and Ge2Sb2Te5 Melts Using Four-Terminal Method
スポンサーリンク
概要
- 論文の詳細を見る
In this work, we aim to determine the electric resistivities of liquid Sb2Te3 and Ge2Sb2Te5. Electric resistivities were measured using the four-terminal method. First, the electric resistivities of liquid Ga and Sn were measured to establish this method. Second, the electric resistivities of Sb2Te3 and Ge1.6Sb2.0Te5.0 were measured over temperature ranges between the respective melting temperatures of samples and 1020 K. The electric resistivity of Sb2Te3 has been determined to be $4.36\pm 0.14$ μ$\Omega$ m at 992 K. The uncertainty was determined on the basis of the guide to the expression of uncertainty in measurement. The electric resistivity of Ge1.6Sb2.0Te5.0 is smaller than that of Sb2Te3. It is also found that both resistivities decrease with an increase in temperature; which indicates that both liquid materials behave as a semiconductor. Therefore, the pseudogap model was applied to derive the electrical activation energies.
- 2010-06-25
著者
-
Endo Rie
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
-
Rui Lan
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
-
Masahiro Susa
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
-
Yoshinao Kobayashi
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
-
Maeda Shimpei
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
-
Jinnai Yuri
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
-
Masashi Kuwahara
Center for Applied Near-field Optics Research, National Institutes of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8562, Japan
-
Shimpei Maeda
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
-
Rie Endo
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology, Meguro, Tokyo 152-8552, Japan
関連論文
- Reduction Kinetics of Iron Oxides in Molten Lunar Soil Simulant by Graphite
- Effects of Both Crystallisation and Iron Oxides on the Radiative Heat Transfer in Mould Fluxes
- Ellipsometric Determination of Normal Spectral Emissivities at 632.8nm for Solid Ni-Co Alloys at High Temperature
- Determination of Refractive Indices and Linear Coefficients of Thermal Expansion of Silicate Glasses Containing Titanium Oxides
- Electric Resistivity Measurements of Sb2Te3 and Ge2Sb2Te5 Melts Using Four-Terminal Method
- Thermal Conductivity Measurements of Solid Sb2Te3 by Hot-Strip Method
- Controllability of Radiative Heat Flux across Mould Flux Films by Cuspidine Grain Size
- A Reversible Change of Reflected Light Intensity between Molten and Solidified Ge–Sb–Te Alloy
- Spectroscopic Ellipsometry Measurements for Liquid and Solid InSb around Its Melting Point
- Formation Kinetics of Iron Oxide in Mould Flux during Continuous Casting
- Optical Measurement for Solid- and Liquid-Phase Sb
- Optical Measurement for Solid- and Liquid-Phase Sb₂Te₃ around Its Melting Point
- Effects of Valence Control of Iron Ions on Radiative Heat Transfer in Mould Flux