Electrical and thermal conductivity of FeNi at low temperatures
The electrical resistivity and thermal conductivity as functions of temperature, for an equiatomic Fe–Ni system are studied. The samples were obtained from nickel and iron powders by a 10 min electroconsolidation at a temperature of 1100 °C, pressure 35 MPa, and current ∼5 kA, and studied in the ran...
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| Veröffentlicht in: | Low temperature physics (Woodbury, N.Y.) N.Y.), 2020-09, Vol.46 (9), p.939-943 |
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| container_title | Low temperature physics (Woodbury, N.Y.) |
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| creator | Khadzhay, G. Ya Vovk, S. R. Vovk, R. V. Gevorkyan, E. S. Zubenko, N. S. Kislitsa, M. V. Chishkala, B. O. Feher, A. Kollar, P. Fuzer, J. |
| description | The electrical resistivity and thermal conductivity as functions of temperature, for an equiatomic Fe–Ni system are studied. The samples were obtained from nickel and iron powders by a 10 min electroconsolidation at a temperature of 1100 °C, pressure 35 MPa, and current ∼5 kA, and studied in the range of 4.2–300 K. It was found that the electrical and thermal conductivity of the electroconsolidated sample is significantly higher than that of samples with the same composition, obtained by melting. It was revealed that in the investigated range of 4.2–300 K, an electroconsolidated sample’s resistivity as a function of temperature is determined by electrons scattering by defects and phonons, and the scattering of electrons by phonons can be approximated with high accuracy by the Bloch–Grüneisen–Wilson formula. |
| doi_str_mv | 10.1063/10.0001717 |
| format | Article |
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Ya ; Vovk, S. R. ; Vovk, R. V. ; Gevorkyan, E. S. ; Zubenko, N. S. ; Kislitsa, M. V. ; Chishkala, B. O. ; Feher, A. ; Kollar, P. ; Fuzer, J.</creator><creatorcontrib>Khadzhay, G. Ya ; Vovk, S. R. ; Vovk, R. V. ; Gevorkyan, E. S. ; Zubenko, N. S. ; Kislitsa, M. V. ; Chishkala, B. O. ; Feher, A. ; Kollar, P. ; Fuzer, J.</creatorcontrib><description>The electrical resistivity and thermal conductivity as functions of temperature, for an equiatomic Fe–Ni system are studied. The samples were obtained from nickel and iron powders by a 10 min electroconsolidation at a temperature of 1100 °C, pressure 35 MPa, and current ∼5 kA, and studied in the range of 4.2–300 K. It was found that the electrical and thermal conductivity of the electroconsolidated sample is significantly higher than that of samples with the same composition, obtained by melting. It was revealed that in the investigated range of 4.2–300 K, an electroconsolidated sample’s resistivity as a function of temperature is determined by electrons scattering by defects and phonons, and the scattering of electrons by phonons can be approximated with high accuracy by the Bloch–Grüneisen–Wilson formula.</description><identifier>ISSN: 1063-777X</identifier><identifier>EISSN: 1090-6517</identifier><identifier>DOI: 10.1063/10.0001717</identifier><identifier>CODEN: LTPHEG</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Electrical resistivity ; Electrons ; Heat conductivity ; Heat transfer ; Iron ; Low temperature ; Nickel ; Phonons ; Scattering ; Temperature ; Thermal conductivity</subject><ispartof>Low temperature physics (Woodbury, N.Y.), 2020-09, Vol.46 (9), p.939-943</ispartof><rights>Author(s)</rights><rights>2020 Author(s). 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It was revealed that in the investigated range of 4.2–300 K, an electroconsolidated sample’s resistivity as a function of temperature is determined by electrons scattering by defects and phonons, and the scattering of electrons by phonons can be approximated with high accuracy by the Bloch–Grüneisen–Wilson formula.</description><subject>Electrical resistivity</subject><subject>Electrons</subject><subject>Heat conductivity</subject><subject>Heat transfer</subject><subject>Iron</subject><subject>Low temperature</subject><subject>Nickel</subject><subject>Phonons</subject><subject>Scattering</subject><subject>Temperature</subject><subject>Thermal conductivity</subject><issn>1063-777X</issn><issn>1090-6517</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqd0MFKAzEQBuAgCtbqxScIeFNWk06y2T2JSKtC0YuCtyXJJpiy3axJttK3N6U9ePb0_zAfMzAIXVJyS0kJdzkJIVRQcYQmlNSkKDkVx7teQiGE-DxFZzGussnTeoLu553RKTgtOyz7FqcvE9a5a9-3o05u49IWe4sX5tVhmXDnf3Ay68EEmcZg4jk6sbKL5uKQU_SxmL8_PhfLt6eXx4dloQFoKhQFXUpecquAKllRAN4KpYWaMUOp4aTlwjJem6q2peWslYQTBgzUrFYMYIqu9nuH4L9HE1Oz8mPo88lmxpgAVpUVy-p6r3TwMQZjmyG4tQzbhpJm94JdHh6U8c0eR-2STM73_9QbH_7IZmgt_AJlhnLs</recordid><startdate>202009</startdate><enddate>202009</enddate><creator>Khadzhay, G. 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O.</creatorcontrib><creatorcontrib>Feher, A.</creatorcontrib><creatorcontrib>Kollar, P.</creatorcontrib><creatorcontrib>Fuzer, J.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Low temperature physics (Woodbury, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Khadzhay, G. Ya</au><au>Vovk, S. R.</au><au>Vovk, R. V.</au><au>Gevorkyan, E. S.</au><au>Zubenko, N. S.</au><au>Kislitsa, M. V.</au><au>Chishkala, B. O.</au><au>Feher, A.</au><au>Kollar, P.</au><au>Fuzer, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrical and thermal conductivity of FeNi at low temperatures</atitle><jtitle>Low temperature physics (Woodbury, N.Y.)</jtitle><date>2020-09</date><risdate>2020</risdate><volume>46</volume><issue>9</issue><spage>939</spage><epage>943</epage><pages>939-943</pages><issn>1063-777X</issn><eissn>1090-6517</eissn><coden>LTPHEG</coden><abstract>The electrical resistivity and thermal conductivity as functions of temperature, for an equiatomic Fe–Ni system are studied. The samples were obtained from nickel and iron powders by a 10 min electroconsolidation at a temperature of 1100 °C, pressure 35 MPa, and current ∼5 kA, and studied in the range of 4.2–300 K. It was found that the electrical and thermal conductivity of the electroconsolidated sample is significantly higher than that of samples with the same composition, obtained by melting. It was revealed that in the investigated range of 4.2–300 K, an electroconsolidated sample’s resistivity as a function of temperature is determined by electrons scattering by defects and phonons, and the scattering of electrons by phonons can be approximated with high accuracy by the Bloch–Grüneisen–Wilson formula.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/10.0001717</doi><tpages>5</tpages></addata></record> |
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| language | eng |
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| subjects | Electrical resistivity Electrons Heat conductivity Heat transfer Iron Low temperature Nickel Phonons Scattering Temperature Thermal conductivity |
| title | Electrical and thermal conductivity of FeNi at low temperatures |
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