The determination of Curie temperature by differential scanning calorimetry under magnetic field

Author

Leu, M.S. ; Tsai, C.S. ; Lin, C.S. ; Lin, S.T.

Author_Institution

Mater. Res. Lab., Ind. Technol. Res. Inst., Hsinchu, Taiwan

Volume

27

Issue

6

fYear

1991

fDate

11/1/1991 12:00:00 AM

Firstpage

5414

Lastpage

5416

Abstract

Differential scanning calorimetry (DSC) has been shown to be a convenient and accurate method for measuring Curie temperature (T _c) in terms of the observation that the heat flow has a visible variation at the transition point. An improved method is presented which involves the application of an axial magnetic field on samples during the DSC scanning process. The heat flow change of the samples at the Curie transition is amplified and a sharp T_c is easily observed. The improved DSC results show that the DC field is more effective in amplifying the transition phenomenon than the AC field

Keywords

Curie temperature; calorimetry; magnetic variables measurement; temperature measurement; thermal analysis; Curie temperature; axial magnetic field; differential scanning calorimetry; heat flow; temperature measurement; AC generators; Amorphous magnetic materials; Amorphous materials; Calorimetry; DC generators; Magnetic field measurement; Magnetic fields; Magnetic materials; Magnetostriction; Temperature measurement;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.278856

Filename

278856