TY - JOUR T1 - Microwave absorption properties of Co, Cu, Zn: substituted hexaferrite polychloroprene nanocomposites JO - Materials Research A1 - Caffarena, Valeska da Rocha A1 - Capitaneo, Jefferson Leixas A1 - Ogasawara, Tsuneharu A1 - Pinho, Magali Silveira SN - 1516-1439 UL - 10.1590/S1516-14392008000300017 VL - 11 Y1 - 2008 PB - Brasil ER -