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\begin{document}
\title{The influence of local atomic configuration on magnetic properties of Ni$_{50}$Mn$_{50-x}$Z$_x$ $(\text{Z}=\text{In},\text{Sn},\text{Sb})$ Heusler alloys}
\author{\underline{K. Załęski}}
\affiliation{NanoBioMedical Centre, Adam Mickiewicz University, Poznań, Poland}
\author{M. Ekholm}
\affiliation{Department of Physics, Chemistry and Biology, Linköping University, Sweden}
\author{B. Alling}
\affiliation{Department of Physics, Chemistry and Biology, Linköping University, Sweden}
\author{I.A. Abrikosov}
\affiliation{Department of Physics, Chemistry and Biology, Linköping University, Sweden}
\author{J. Dubowik}
\affiliation{Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland}
\begin{abstract}
The concentration dependence of magnetic properties in the austenite phase of Ni$_{50}$Mn$_{50-x}$Z$_x$ (Z = In, Sn, Sb) Heusler alloys vary strongly with the Z component~[1]. In the case of $\text{Z}=\text{In}$ alloy the magnetic moment shows a linear dependency with decrease of concentration ($x$), conversely to $\text{Z}=\text{Sb}$ case, but shows a concave curve with a minimum of about $x=20$ in $\text{Z}=\text{Sn}$ alloy. While the concentration dependence of the magnetic moment of $\text{Z}=\text{In}(\text{Sb})$ alloys is related to only (anti)ferromagnetic coupling between Mn and Mn$_{\text{Z}}$ moments, the nonlinear curve observed for $\text{Z}=\text{Sn}$ alloy is related to a change of a ratio of ferro- and antiferromagnetic coupled Mn and Mn$_{\text{Sn}}$ moments. We propose a model of local atomic configuration of these alloys and its influence on a total magnetic moment and an exchange-bias effect. In particular, the results of \textit{ab~initio} calculations of Ni$_{50}$Mn$_{50-x}$Z$_x$ alloys and the results of magnetic measurements of Ni$_{50}$Mn$_{50-x}$Sn$_x$ ($x=16,20,25$) alloy thin films are presented.


\textbf{References:}
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{\scriptsize[1] W. Ito, X. Xu, R.Y. Umetsu, T. Kanomata, K. Ishida, and R. Kainuma, J. Appl. Phys. \textbf{109}, 07A926 (2011)}
\end{spacing}

\end{abstract}
\maketitle

\end{document}
