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Title: Best practices in evaluation of the magnetocaloric effect from bulk magnetization measurements

Abstract

Conventional magnetometry is irreplaceable in evaluating bulk magnetization of materials over broad temperature and field ranges. The technique is also effective in quantifying hysteresis that may be associated with magnetic and structural phase transitions that occur during the magnetizing/demagnetizing cycling, and the derived magnetic field-induced isothermal entropy change – one of the most important properties in the field of magnetocalorics. Both systematic and random errors present during the measurements of magnetization, however, may lead to erroneous conclusions. Using two well-known materials – elemental Gd and intermetallic Gd5Si2Ge2 as examples, we consider best practices in performing reliable and rapid magnetization measurements for proper characterization of magnetocaloric properties.

Authors:
 [1];  [2];  [2];  [2];  [3]
  1. Ames Lab. and Iowa State Univ., Ames, IA (United States); Federal Univ. of Santa Catarina (UFSC), Florianopolis, SC (Brazil). Polo – Research Lab. for Emerging Technologies in Cooling and Thermophysics, Dept. of Mechanical Engineering
  2. Ames Lab. and Iowa State Univ., Ames, IA (United States)
  3. Iowa State Univ., Ames, IA (United States). Dept. of Materials Science and Engineering
Publication Date:
Research Org.:
Ames Lab., Ames, IA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1436429
Report Number(s):
IS-J-9651
Journal ID: ISSN 0304-8853; PII: S0304885317336211
Grant/Contract Number:  
AC02-07CH11358
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Magnetism and Magnetic Materials
Additional Journal Information:
Journal Volume: 458; Journal Issue: C; Journal ID: ISSN 0304-8853
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Magnetocaloric; Magnetization; Entropy change

Citation Formats

Neves Bez, H., Yibole, H., Pathak, A., Mudryk, Y., and Pecharsky, V. K. Best practices in evaluation of the magnetocaloric effect from bulk magnetization measurements. United States: N. p., 2018. Web. doi:10.1016/j.jmmm.2018.03.020.
Neves Bez, H., Yibole, H., Pathak, A., Mudryk, Y., & Pecharsky, V. K. Best practices in evaluation of the magnetocaloric effect from bulk magnetization measurements. United States. https://doi.org/10.1016/j.jmmm.2018.03.020
Neves Bez, H., Yibole, H., Pathak, A., Mudryk, Y., and Pecharsky, V. K. Sun . "Best practices in evaluation of the magnetocaloric effect from bulk magnetization measurements". United States. https://doi.org/10.1016/j.jmmm.2018.03.020. https://www.osti.gov/servlets/purl/1436429.
@article{osti_1436429,
title = {Best practices in evaluation of the magnetocaloric effect from bulk magnetization measurements},
author = {Neves Bez, H. and Yibole, H. and Pathak, A. and Mudryk, Y. and Pecharsky, V. K.},
abstractNote = {Conventional magnetometry is irreplaceable in evaluating bulk magnetization of materials over broad temperature and field ranges. The technique is also effective in quantifying hysteresis that may be associated with magnetic and structural phase transitions that occur during the magnetizing/demagnetizing cycling, and the derived magnetic field-induced isothermal entropy change – one of the most important properties in the field of magnetocalorics. Both systematic and random errors present during the measurements of magnetization, however, may lead to erroneous conclusions. Using two well-known materials – elemental Gd and intermetallic Gd5Si2Ge2 as examples, we consider best practices in performing reliable and rapid magnetization measurements for proper characterization of magnetocaloric properties.},
doi = {10.1016/j.jmmm.2018.03.020},
journal = {Journal of Magnetism and Magnetic Materials},
number = C,
volume = 458,
place = {United States},
year = {2018},
month = {7}
}

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Works referencing / citing this record:

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Evaluating Magnetocaloric Effect in Magnetocaloric Materials: A Novel Approach Based on Indirect Measurements Using Artificial Neural Networks
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Magnetocaloric effect in the triangulated Kagome lattice Cu 9 Cl 2 (cpa) 6
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Managing hysteresis of Gd 5 Si 2 Ge 2 by magnetic field cycling
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