TY - RPRT TI - A gate-controlled bidirectional spin filter using quantum coherence. AU - J A Folk AU - R M Potok AU - C M Marcus AU - V Umansky PY - 2003 DO - 10.1126/science.1078419 UR - https://pubmed.ncbi.nlm.nih.gov/12560544/ ID - 12560544 ER -