Investigation of the spin glass transition in a low U doped YRu 2 Si 2 sample. Očko, M., Drobac, Đ., Park, J., Samardzija, Z., & Zadro, K. Journal of Physics: Condensed Matter, 15(26):4613-4621, 7, 2003. ![Investigation of the spin glass transition in a low U doped YRu 2 Si 2 sample [link]](https://bibbase.org/img/filetypes/link.svg "link")
Website abstract bibtex We have made extensive studies of a dilute U doped YRu2Si2 alloy using several experimental techniques such as ac and dc magnetic susceptibility, dc resistivity and microstructural investigations. The real part of the ac susceptibility shows a maximum at around 6.75 K for f = 7 Hz. With increasing frequency, the temperature of this maximum increases while, at the same time, the magnitude of the maximum decreases, which is a typical spin glass behaviour. The magnitude of the imaginary part shows frequency-dependent behaviour too. We show that most of the imaginary part of the susceptibility, at least over the range of the frequencies we used, comes from the conduction electrons. Zero-field cooling and field cooling dc magnetization measurements also indicate the presence of a spin glass transition at about the same temperature. We also found that relaxation processes below the freezing temperature show ln(t + to) behaviour. We discuss our findings in light of the origin of the spin glass behaviour and compare them with other similar studies.
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abstract = {We have made extensive studies of a dilute U doped YRu2Si2 alloy using several experimental techniques such as ac and dc magnetic susceptibility, dc resistivity and microstructural investigations. The real part of the ac susceptibility shows a maximum at around 6.75 K for f = 7 Hz. With increasing frequency, the temperature of this maximum increases while, at the same time, the magnitude of the maximum decreases, which is a typical spin glass behaviour. The magnitude of the imaginary part shows frequency-dependent behaviour too. We show that most of the imaginary part of the susceptibility, at least over the range of the frequencies we used, comes from the conduction electrons. Zero-field cooling and field cooling dc magnetization measurements also indicate the presence of a spin glass transition at about the same temperature. We also found that relaxation processes below the freezing temperature show ln(t + to) behaviour. We discuss our findings in light of the origin of the spin glass behaviour and compare them with other similar studies.},
bibtype = {article},
author = {Očko, M and Drobac, Đ. and Park, J-G and Samardzija, Z and Zadro, K},
journal = {Journal of Physics: Condensed Matter},
number = {26}
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