Crystal field ground state of the orthorhombic Kondo semiconductors CeOs2Al10 
and CeFe2Al10

Strigari, F.; Willers, T.; Muro, Y.; Yutani, K.; Takabatake, T.; Hu, Z.; Agrestini, S.; Kuo, C. Y.; Chin, Y. Y.; Lin, H. J.; Pi, T. W.; Chen, C. T.; Weschke, E.; Schierle, E.; Tanaka, A.; Haverkort, M. W.; Tjeng, L. H.; Severing, A.

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Journal Article

Crystal field ground state of the orthorhombic Kondo semiconductors CeOs₂Al₁₀ and CeFe₂Al₁₀

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Haverkort, M. W.
Max Planck Society;

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Citation

Strigari, F., Willers, T., Muro, Y., Yutani, K., Takabatake, T., Hu, Z., et al. (2013). Crystal field ground state of the orthorhombic Kondo semiconductors CeOs₂Al₁₀ and CeFe₂Al₁₀. Physical Review B, 87(12): 125119.

Cite as: https://hdl.handle.net/21.11116/0000-000E-C5D1-7

Abstract

Here we present linear-polarization-dependent soft x-ray absorption spectroscopy data at the Ce M-4,M-5 edges of CeOs2Al10 and CeFe2Al10. Despite the strong hybridization between 4f and conduction electrons and the existence of spin gaps as seen in inelastic neutron scattering, we were able to determine the crystal field ground state wave functions by combining our spectroscopy data with magnetization measurements. The results quantitatively explain the small ordered moment along c and the measured magnetic moment along the easy a axis in CeOs2Al10. DOI: 10.1103/PhysRevB.87.125119