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Report No.

Single crystal growth and physical properties of UT$$_2$$Al$$_{20}$$ (T = transition metal)

Matsumoto, Yuji; Matsuda, Tatsuma; Tateiwa, Naoyuki  ; Yamamoto, Etsuji ; Haga, Yoshinori ; Fisk, Z.

We have studied single crystal growth and physical properties of the UT$$_2$$Al$$_{20}$$ system. We have successfully grown UT$$_2$$Al$$_{20}$$ (T = Cr, Ti, W and Mo) using Al self flux and characterized the crystals using electron probe microanalyzer (EPAM) and X-ray diffraction, and measured their magnetic and electric properties. The ground states of UT$$_2$$Al$$_{20}$$ (T = Cr, Mo and W) are Pauli paramagnetic as is likely also in UTi$$_2$$Al$$_{20}$$. The effective masses of UCr$$_2$$Al$$_{20}$$ and UTi$$_2$$Al$$_{20}$$ are only weakly enhanced.



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Category:Physics, Multidisciplinary



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