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Exchange bias up to room temperature in the antiferromagnetic bulk hexagonal Mn3Ge
Jin- Feng Qian, Ajaya K. Nayak, Guido Kreiner +2
This work reports an exchange bias (EB) effect up to room temperature in the binary intermetallic bulk compound Mn3.04Ge0.96. The sample annealed at 700 K crystallizes in a tetrago…
Kinetic arrest related to a first-order ferrimagnetic to antiferromagnetic transition in the Heusler compound Mn2PtGa
Ajaya K. Nayak, Michael Nicklas, Chandra Shekhar +1
We report a magnetization study of the Heusler compound Mn2PtGa that shows the existence of a magnetic-glass state. Mn2PtGa shows a first-order ferromagnetic (FM)/ferrimagnetic (FI…
Large zero-field cooled exchange-bias in bulk Mn2PtGa
A. K. Nayak, M. Nicklas, S. Chadov +4
We report a large exchange-bias (EB) effect after zero-field cooling the new tetragonal Heusler compound Mn2PtGa from the paramagnetic state. The first-principle calculation and th…
New iron-based Heusler compounds Fe2YZ: Comparison with theoretical predictions of the crystal structure and magnetic properties
T. Gasi, V. Ksenofontov, J. Kiss +8
The present work reports on the new soft ferromagnetic Heusler phases Fe2NiGe, Fe2CuGa, and Fe2CuAl, which in previous theoretical studies have been predicted to exist in a tetrago…