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近日,上海科技大学陈刚教授课题组利用同步辐射X射线(BL16B1线站)表面掠入射小角散射技术原位观测胶体粒子在气液界面处自组装形成二维超晶格结构的过程,并由此破解了一个困扰学术界近四十年的谜题。相关成果已在国际知名期刊Nature Communications (doi: 10.1038/s41467-018-03767-y)上在线发表。
Repulsive and attractive ferroglasses: a SAXS and XPCS study
75.50.Mn Magnetic liquids 61.10.-i X-ray diffraction and scattering 82.70.Dd Colloids 64.70.Pf Glass transitions
2010/7/5
A dynamical freezing, which is the analogous of a glass transition, is observed at large concentrations in aqueous dispersions of maghemite nanoparticles. We study experimentally the structure and the...