Magnetic and superconducting properties of single crystals of Sr2HoRu1−xCuxO6 grown from high temperature solutions

Single crystals of Sr2HoRu1−xCuxO6 (with x=0–0.2), measuring 2–3mm across have been grown from PbO–PbF2 based solutions in the temperature range of 1250–1150°C. The crystals exhibit octahedral morphology and belong to the monoclinic space group P21∕n. While Sr2HoRuO6 is found to be antiferromagnetic...

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Veröffentlicht in:Applied physics letters 2006-12, Vol.89 (23)
Hauptverfasser: Rao, S. M., Wang, K. J., Yen, N. Y., Chen, Y. Y., Tsai, C. B., Neeleshwar, S., Wu, M. K., Srivastava, J. K., Ling, M. C., Liu, H. L., Ling, D. C.
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Sprache:eng
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Zusammenfassung:Single crystals of Sr2HoRu1−xCuxO6 (with x=0–0.2), measuring 2–3mm across have been grown from PbO–PbF2 based solutions in the temperature range of 1250–1150°C. The crystals exhibit octahedral morphology and belong to the monoclinic space group P21∕n. While Sr2HoRuO6 is found to be antiferromagnetic with weak ferromagnetism below 30K, the solid solutions containing Cu exhibit a diamagnetic transition at 31K which increases in magnitude and temperature with increasing Cu. Through a correlation of magnetic and calorimetric properties, these crystals are concluded to be spin-glass superconductors.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2402902