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Comparative Scanning Tunneling Microscopy Study on Hexaborides

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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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Rößler,  Sahana
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Jiao,  Lin
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Ale Crivillero,  Maria Victoria
Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Wirth, S., Rößler, S., Jiao, L., Ale Crivillero, M. V., Rosa, P. F. S., & Fisk, Z. (2021). Comparative Scanning Tunneling Microscopy Study on Hexaborides. Physica Status Solidi B, 258(1): 2000022, pp. 1-8. doi:10.1002/pssb.202000022.


Cite as: http://hdl.handle.net/21.11116/0000-0005-DBCE-D
Abstract
Scanning tunneling microscopy (STM) investigations on two hexaboride compounds, SmB6 and EuB6, are compared in an effort to provide a comprehensive picture of their surface structural properties. The latter is of particular importance for studying the nature of the surface states in SmB6 by surface-sensitive tools. Beyond the often encountered atomically rough surface topographies of in situ, low-temperature cleaved samples, differently reconstructed as well as B-terminated and, more rarely, rare-earth terminated areas can be found. With all the different surface topographies observed on both hexaborides, a reliable assignment of the surface terminations is brought forward. © 2020 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim