title: Novel dandelion-like beta-manganese dioxide microstructures and their magnetic properties.
abstract: Single-crystalline dandelion-like β-MnO(2) three-dimensional microstructures have been successfully prepared for the first time via a simple hydrothermal process based on the direct reaction between Mn(NO(3))(2) and H(2)O(2). H(2)O(2) plays an important role in the formation of the dandelion-like morphology. The formation mechanism of the dandelion-like nanostructures was investigated and discussed based on the experimental results. Magnetic measurements show that the Néel temperature of the as-obtained product is 100 K, which is about 6 K higher than that of the corresponding bulk β-MnO(2) crystals.
authors: College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, Shandong 250014, People's Republic of China.
authors: Bo
authors: B
authors: Tang
authors: Guangli
authors: G
authors: Wang
authors: Linhai
authors: L
authors: Zhuo
authors: Jiechao
authors: J
authors: Ge