Single-unit-cell thick Mn3O4 nanosheets.

Single-unit-cell thick Mn(3)O(4) sheets were synthesized in an aqueous solution at room temperature. These nanosheets have a <linear span>001<linear span> orientation and are terminated at the Mn(2)O(4) atomic layer. Due to the huge shape anisotropy, they demonstrated lower T(C) and much greater coercivity than those of bulk Mn(3)O(4), respectively. This journal is © The Royal Society of Chemistry 2011