中国科学B辑(英文版)
中國科學B輯(英文版)
중국과학B집(영문판)
SCIENCE IN CHINA(SCIENTIA SINICA)
2003年
2期
176-183
,共8页
高后秀%张贵杰%陈泉水%杨敬武%刘安伟%杨渝钦
高後秀%張貴傑%陳泉水%楊敬武%劉安偉%楊渝欽
고후수%장귀걸%진천수%양경무%류안위%양투흠
gabbro%nonlinear oscillation%quasi-fluid%self-organization%alloy nanotube
In natural gabbro, the natural nonlinear oscillation of medi-scopic scale can be observed under the normal temperature and pressure. A process of complex form change is presented under the metallographic microscope; the XRD in situ analysis proves that the position and intensity of some diffraction peaks of the test sample have changed with the time. It shows the expansion and contraction of crystal cells, accompanied by the action of turning and "flowing". Under the atomic force microscope (AFM), the same characteristics of oscillation, turning, and flowing are found. The preliminary analysis reveals the possibility of existing a kind of quasi-fluid state, which has not been known to people, in the solid-state material. At the vicinity of critical point that the quasi-fluid state arises, the fluctuation of space energy at different positions is not independent to each other, but correlated. Such fluctuation has been amplified into the giant fluctuation, because of the self-feedback of an unknown nonlinear mechanism. Thus the phenomenon of self- organization has come into being in a special condition and special area, and it even brings on the nanotube forming.