Journal
PHYSICA B-CONDENSED MATTER
Volume 506, Issue -, Pages 163-167Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2016.11.015
Keywords
Manganates; Orthoferrites; Doping; Phase diagram
Categories
Funding
- projects VEGA [2/0132/16]
- Slovak Research and Development Agency [SK-PT-2015-0030]
- ERDF EU [ITMS26220120047]
- Slovenian Research Agency (ARRS) [P2-0348]
- Foundation for Science and Technology [PD/BI/106014/2015]
- [NORTE-070124-FEDER-000070]
- [PTDC/Fis-NAN/0533/2012]
- Fundação para a Ciência e a Tecnologia [PD/BI/106014/2015, PTDC/FIS-NAN/0533/2012] Funding Source: FCT
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We present the magnetic phase diagram of TbMn1-xFexO3 substitutional solid solutions in the whole concentration range 0 <= x <= 1 as determined from magnetization and specific-heat measurements and as supported by already known magnetic structures published on this substitutional system. We have found that the dominant magnetic ion in the concentration range 0 <= x <= 0.2 is Mn, while Fe ions do not create an independent magnetic structure, but strongly affect the magnetic properties of the parent compound by suppressing the magnetic-ordering temperature as well as the magnetic order-order transition to a cycloidal phase. The magnetism in the concentration range 0.2 <= x <= 1 is driven by the Fe sublattice. The Mn ions again do not order in a long-range magnetic ordered state, but stabilize five magnetic phases of the Fe sublattice above 2 K. Magnetic ordering of the Tb sublattice is observed at temperatures below 8.2 K over entire concentration range.
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