or crystalline structure. Amorphous solids are relatively rare, making up only 10 percent of solids in the world. The most well known example of an amorphous solid is glass, and in fact, these solids are sometimes generally termed glasses. ...
theory of amorphousnessThe geometrical concept of an ideal amorphous solid, and a method for its construction, are described as novel contributions to the understanding of atomic arrangements in amorphous solids. This ideal amorphous structure serves as a base-line model for atomic arrangements and ...
Here we develop an atomic electron tomography reconstruction method to experimentally determine the 3D atomic positions of an amorphous solid. Using a multi-component glass-forming alloy as proof of principle, we quantitatively characterize the short- and medium-range order of the 3D atomic arrangement...
2.3.3.1 Amorphous Polymers Amorphous chains of an amorphous polymer are randomly arranged. The degree of crystallinity (the weight fraction or the volume fraction of crystalline material) is zero. Amorphous polymers slowly soften when heated above their glass transition temperature (Tg). As examples,...
receives light from the opening. When an animal walks by the opening, a shadow is projected onto the interior wall that the cave dwellers see. To the cave dwellers, these shadows are the real thing. When a lion walks by, they point at the shadow of the lion and exclaim, "Run for ...
Here we present the results of a Brillouin scattering study of the sister compound α-quartz, SiO(which can also be pressure amorphized but retains its amorphous structure on release of pressure), which shows that the recovered material is not elastically isotropic but retains a ``memory'' of...
aWe set out to understand how our ideas about spontaneous symmetry breaking could be applied to an amorphous solid like rubber. 我们下决心了解怎么我们的想法关于自发对称打破可能被申请于一种无定形的固体象橡胶。[translate]
Glass, however, is actually neither a liquid—supercooled or otherwise—nor a solid. It isan amorphous solid—a state somewhere between those two states of matter. And yet glass's liquidlike properties are not enough to explain the thicker-bottomed windows, because glass atoms move too slowly ...
Solid Dielectric In subject area: Engineering A dielectric solid may be considered an assembly of oscillators (each atom or molecule is an oscillator) set into forced vibration by the excitation force or by the radiation of optical frequencies. From: Dielectric Phenomena in Solids, 2004 About this...
the liquid to the solid phase. By rapid cooling the alloy is frozen in the amorphous state, thereby not allowing the metallic atoms to combine into the well-known lattice structure characterizing conventional metals. The requiredcritical cooling rategenerallysets limitson the achievable forms in ...