Journal
SCRIPTA MATERIALIA
Volume 68, Issue 12, Pages 968-971Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.02.052
Keywords
Antiperovskite compounds; Vacancies; Magnetic; Heat capacity
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Funding
- National Natural Science Foundation of China (NSFC) [51172012, 91122026, 51201150]
- Ph.D. Programs Foundation of Ministry of Education of China [20111102110026]
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The effects of Zn vacancies on the physical properties of antiperovskite compounds Mn3ZnxN (x = 0.96 and 0.93) were investigated. For Mn3Zn0.96N, lowering the temperature produced two anomalies in the magnetization and heat capacity curves: the first at similar to 185 K is related to magnetic ordering and was accompanied by a lattice expansion; the second at similar to 115 K is due to a magnetic order change and showed a lattice contraction. However, for Mn3Zn0.93N only a single transition is observed around 185 K. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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