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arxiv: cond-mat/0009050 · v1 · submitted 2000-09-05 · ❄️ cond-mat.dis-nn · cond-mat.stat-mech

d=3 random field behavior near percolation

classification ❄️ cond-mat.dis-nn cond-mat.stat-mech
keywords boundaryfieldtransitionantiferromagnetantiferromagneticantiferromagneticallybeenbehavior
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The highly diluted antiferromagnet Mn(0.35)Zn(0.65)F2 has been investigated by neutron scattering for H>0. A low-temperature (T<11K), low-field (H<1T) pseudophase transition boundary separates a partially antiferromagnetically ordered phase from the paramagnetic one. For 1<H<7T at low temperatures, a region of antiferromagnetic order is field induced but is not enclosed within a transition boundary.

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