TY - RPRT TI - Assembling and manipulating two-dimensional colloidal crystals with movable nanomagnets. AU - L E Helseth AU - H Z Wen AU - R W Hansen AU - T H Johansen AU - P Heinig AU - T M Fischer PY - 2004 DO - 10.1021/la049062j UR - https://pubmed.ncbi.nlm.nih.gov/15301522/ ID - 15301522 ER -