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Published on: March 24, 2019
Monte Carlo simulations of ferromagnetism in p-Cd1-xMnxTe quantum wells
D Kechrakos1, N Papanikolaou, K N Trohidou
1Institute of Materials Science, NCSR Demokritos, 15310 Athens, Greece.
Abstract:
Monte Carlo simulations, in which the Schrödinger equation is solved at each Monte Carlo sweep, are employed to assess the influence of magnetization fluctuations, short-range antiferromagnetic interactions, disorder, magnetic polaron formation, and spin-Peierls instability on the carrier-mediated Ising ferromagnetism in two-dimensional electronic systems. The determined critical temperature and hysteresis are affected in a nontrivial way by the antiferromagnetic interactions. The findings explain striking experimental results for modulation-doped p-Cd1-xMnxTe quantum wells.
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