Single-crystal growth and characterization of antiferromagnetically ordered EuIn 2

We report the single -crystal growth and characterization of EuIn 2 , a magnetic topological semimetal candidate, according to our density functional theory (DFT) calculations. We present results from electrical resistance, magnetization, M delta ssbauer spectroscopy, and x-ray resonant magnetic scattering (XRMS) measurements. We observe three magnetic transitions at T N1 ti 14 . 2 K, T N2 ti 12 . 8 K , and T N3 ti 11 K, signatures of which are consistently seen in anisotropic temperature -dependent magnetic susceptibility and electrical resistance data. M delta ssbauer spectroscopy measurements on ground crystals are consistent with an incommensurate sinusoidally modulated magnetic structure below the transition at T N1 ti 14 K, followed by the appearance of higher harmonics in the modulation on further cooling roughly below T N2 ti 13 K before the moment distribution squaring up below the lowest transition around T N3 ti 11 K. XRMS measurements showed the appearance of magnetic Bragg peaks below T N1 ti 14 K, with a propagation vector of tau = ( tau h , tau <overline> h , 0), with tau h varying with temperature, and showing a jump at T N3 ti 11 K. The temperature dependence of tau h between ti 11 and 14 K shows incommensurate values consistent with the M delta ssbauer data. XRMS data indicate that tau h remains incommensurate at low temperatures and locks into tau h = 0 . 3443(1).