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| 2. |
- Forsman, Hans, et al.
(författare)
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Thermal conductivity and heat capacity of n-heptane, n- and iso-propyl-alcohol at high pressure
- 1982
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Ingår i: Physica B+C. - : Elsevier. - 0378-4363. ; 114:3, s. 287-294
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Tidskriftsartikel (refereegranskat)abstract
- The thermal conductivity, λ, and the heat capacity per unit volume, ρcp, of three molecular liquids, i.e. n-heptane, n-propyl-alcohol and iso-propyl-alcohol, were measured. We used a transient hot-wire method, and the measurements were carried out in a piston-cylinder apparatus with a simple high-pressure cell of novel design. For each substance two isotherms, at room temperature and above, were investigated up to 1.0 GPa. On pressurization a positive sign of the isobaric temperature coefficient of λ, (∂(ln λ)/∂T)P, was observed only for iso-propyl-alcohol. For all three liquids the isothermal volume coefficient of λ, g = -(∂(ln λ)/(∂(ln V)))T, was found to be in the range 2.7–3.1. The isothermal pressure dependence of heat capacity per unit mass was found to be small, except for iso-propyl-alcohol, where a 10–15% decrease in cp was observed. The experimental values of cp were compared with theoretical calculations based on thermodynamics.
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| 3. |
- Ross, Russell G.
(författare)
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Equation of state and transport properties of solids
- 1986
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Ingår i: Physica B+C. - : Elsevier. - 0378-4363. ; 139-140, s. 153-158
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Tidskriftsartikel (refereegranskat)abstract
- Methods for measuring both the equation of state and the thermal conductivity of solids under pressure are briefly reviewed. The equation of state is shown to be of considerable importance in analysing data for thermal conductivity, using the alkali halides for purposes of illustration.
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| 4. |
- Sigalas, I., et al.
(författare)
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Thermal conductivity of sodium halides under pressure
- 1986
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Ingår i: Physica B+C. - : Elsevier. - 0378-4363. ; 139-140, s. 165-167
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Tidskriftsartikel (refereegranskat)abstract
- Results for the thermal conductivity under pressure of the four Na-halides are presented and compared, and discussed using the Leibfried-Schlömann formula.
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| 5. |
- Malmhäll, Roger, et al.
(författare)
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Hall effect in Metglas 2826A and 2826 - dependence on temperature and pressure
- 1977
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Ingår i: Proceedings of International Conference on Magnetism, ICM 76. - : Elsevier. - 072040732X - 9780720407327 ; 86-88, s. 796-798
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Konferensbidrag (refereegranskat)abstract
- The Hall resistivity, ρH, of Metglas 2826A is measured for 0.6 ≤ T/Tc ≤ 1.9. Below To (∼255 K), the extraordinary Hall coefficient R1 is constant at +4.24 x x10-8 m3/As. The magnetic susceptibility, derived from our data, exhibits a Curie-Weiss behaviour above 350 K and varies as (T - Tc)-1.75 for (T - Tc) < 90 K. In 2826 at 300 K ρH drops linearly with increasing pressure.
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| 6. |
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