Crystal structure, magnetism and bonding of the hexagonal compounds Pd1.63Mn0.37
Si and Pd1.82Mn0.18Ge related to the Fe2P structure

Thimmaiah, Srinivasa; Felser, Claudia; Seshadri, Ram

doi:10.1088/0022-3727/40/13/001

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Crystal structure, magnetism and bonding of the hexagonal compounds Pd_1.63Mn_0.37Si and Pd_1.82Mn_0.18Ge related to the Fe₂P structure

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Thimmaiah, S., Felser, C., & Seshadri, R. (2007). Crystal structure, magnetism and bonding of the hexagonal compounds Pd_1.63Mn_0.37Si and Pd_1.82Mn_0.18Ge related to the Fe₂P structure. Journal of Physics D: Applied Physics, 40(13), 3915-3920. doi:10.1088/0022-3727/40/13/001.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-88B5-7

Abstract

We have used single crystal x-ray diffraction methods to establish the crystal structures of a compound in the Pd-Mn-Si system and in the Pd-Mn-Ge system. The title compounds have structures related to the Fe2P structure type and are ferromagnetic with Curie temperatures above the room temperature. Density functional electronic structure calculations help to understand the nature of the local moment ferromagnetism in these compounds. However, neither the electronic structure calculations nor the magnetic measurements provide any evidence of half-metallic behaviour.