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The two-dimensional Hubbard model with a bimodal distribution of on-siteinteractions, P(U_i) = (1-f)\delta(U_i-U) + f\delta(U_i), is studied using afinite temperature quantum Monte Carlo technique and dynamical mean-fieldtheory. We find long range antiferromagnetic order off half-filling isstabilized by the disorder, due to localization of the dopants on the U=0sites. Whereas in the clean model there is a single gap at n=1, for nonzero fwe find the compressibility and density of states exhibit gaps at two separatefillings.Comment: 6 pages with 5 figures, final versio

Enhancement of long-range antiferromagnetic order by nonmagnetic impurities in the Hubbard model