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Structural Investigations of CeIrIn5 and CeCoIn5 on Macroscopic and Atomic Length Scales

MPS-Authors
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Wirth,  Steffen
Steffen Wirth, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Prots,  Yurii
Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Wedel,  Michael
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Ernst,  Stefan
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Kirchner,  Stefan
Stefan Kirchner, cross-PKS/CPfS theory group, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Steglich,  Frank
Frank Steglich, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Grin,  Yuri
Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Wirth, S., Prots, Y., Wedel, M., Ernst, S., Kirchner, S., Fisk, Z., et al. (2014). Structural Investigations of CeIrIn5 and CeCoIn5 on Macroscopic and Atomic Length Scales. Journal of the Physical Society of Japan, 83: 061009, pp. 1-8. doi:10.7566/JPSJ.83.061009.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-D18A-5
Abstract
For any thorough investigation of complex physical properties, as encountered in strongly correlated electron systems, not only single crystals of highest quality but also a detailed knowledge of the structural properties of the material are pivotal prerequisites. Here, we combine physical and chemical investigations on the prototypical heavy fermion superconductors CeIrIn5 and CeCoIn5 on atomic and macroscopic length scale to gain insight into their precise structural properties. Our approach spans from enhanced resolution X-ray diffraction experiments to atomic resolution by means of scanning tunneling microscopy (STM) and reveal a certain type of local features (coexistence of minority and majority structural patterns) in the tetragonal HoCoGa5-type structure of both compounds.