Electrical resistivity of glassy (FexNi100-x) 80B20 (x=30, 40, 50, 60, 70) alloys at elevated temperatures

D. A. New, Sigurds Arajs, F. E. Luborsky, T. Kemény, I. Vincze

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Abstract

Electrical resistivity (ρ) of glassy (FexNi 100-x)80B20 (x=30, 40, 50, 60, 70) has been studied as a function of temperature (T) between 300 and 1000 K using heating rates of ∼2.5 K/min. The slopes of the ρ vs T curves are positive for all the alloys in their glassy state. At the crystallization temperature the quantity ρ abruptly decreases. This decrease increases rapidly with the Fe content. No anomalies in the ρ vs T curves are observed at the corresponding Curie temperatures. For the sample containing 40 at.%Fe, ρ ∼ T between 300 and 600 K. All other samples show considerable deviations from this relationship. The quantity dρ/dT at 400 K increases with increasing ρ at 400 K for alloys with x = 40, 50, 60, and 70. The crystallization temperatures determined from the ρ vs T plots are in good agreement with values obtained by other techniques. A few comments are made on the nature of crystallization processes in this system.

Original languageEnglish
Pages (from-to)1654-1655
Number of pages2
JournalJournal of Applied Physics
Volume50
Issue numberB3
DOIs
Publication statusPublished - 1979

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crystallization
electrical resistivity
curves
temperature
Curie temperature
plots
anomalies
slopes
deviation
heating

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)

Cite this

Electrical resistivity of glassy (FexNi100-x) 80B20 (x=30, 40, 50, 60, 70) alloys at elevated temperatures. / New, D. A.; Arajs, Sigurds; Luborsky, F. E.; Kemény, T.; Vincze, I.

In: Journal of Applied Physics, Vol. 50, No. B3, 1979, p. 1654-1655.

Research output: Contribution to journalArticle

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abstract = "Electrical resistivity (ρ) of glassy (FexNi 100-x)80B20 (x=30, 40, 50, 60, 70) has been studied as a function of temperature (T) between 300 and 1000 K using heating rates of ∼2.5 K/min. The slopes of the ρ vs T curves are positive for all the alloys in their glassy state. At the crystallization temperature the quantity ρ abruptly decreases. This decrease increases rapidly with the Fe content. No anomalies in the ρ vs T curves are observed at the corresponding Curie temperatures. For the sample containing 40 at.{\%}Fe, ρ ∼ T between 300 and 600 K. All other samples show considerable deviations from this relationship. The quantity dρ/dT at 400 K increases with increasing ρ at 400 K for alloys with x = 40, 50, 60, and 70. The crystallization temperatures determined from the ρ vs T plots are in good agreement with values obtained by other techniques. A few comments are made on the nature of crystallization processes in this system.",
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AU - Arajs, Sigurds

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AU - Kemény, T.

AU - Vincze, I.

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N2 - Electrical resistivity (ρ) of glassy (FexNi 100-x)80B20 (x=30, 40, 50, 60, 70) has been studied as a function of temperature (T) between 300 and 1000 K using heating rates of ∼2.5 K/min. The slopes of the ρ vs T curves are positive for all the alloys in their glassy state. At the crystallization temperature the quantity ρ abruptly decreases. This decrease increases rapidly with the Fe content. No anomalies in the ρ vs T curves are observed at the corresponding Curie temperatures. For the sample containing 40 at.%Fe, ρ ∼ T between 300 and 600 K. All other samples show considerable deviations from this relationship. The quantity dρ/dT at 400 K increases with increasing ρ at 400 K for alloys with x = 40, 50, 60, and 70. The crystallization temperatures determined from the ρ vs T plots are in good agreement with values obtained by other techniques. A few comments are made on the nature of crystallization processes in this system.

AB - Electrical resistivity (ρ) of glassy (FexNi 100-x)80B20 (x=30, 40, 50, 60, 70) has been studied as a function of temperature (T) between 300 and 1000 K using heating rates of ∼2.5 K/min. The slopes of the ρ vs T curves are positive for all the alloys in their glassy state. At the crystallization temperature the quantity ρ abruptly decreases. This decrease increases rapidly with the Fe content. No anomalies in the ρ vs T curves are observed at the corresponding Curie temperatures. For the sample containing 40 at.%Fe, ρ ∼ T between 300 and 600 K. All other samples show considerable deviations from this relationship. The quantity dρ/dT at 400 K increases with increasing ρ at 400 K for alloys with x = 40, 50, 60, and 70. The crystallization temperatures determined from the ρ vs T plots are in good agreement with values obtained by other techniques. A few comments are made on the nature of crystallization processes in this system.

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