Electrochemically induced nucleation of oxidic crystals in melts – a review

Wisniewski, Wolfgang; Rüssel, Christian

doi:10.1039/d1ce00567g

Cited by 2 publications

(1 citation statement)

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“…A substantial body of research is devoted to various methods for growing highly oriented crystals in glass-ceramics. 81 Such methods include plastically extruding a partially crystallized glass, 99,100 electrochemically inducing nucleation [101][102][103] or by careful growth of surface nucleated glasses. 82,104,105 Surface nucleation can be further broken into two types shown schematically in Figure 19 for: (A) thermodynamic-controlled where nuclei formation is biased by the glass surface and (B) kineticcontrolled where the optimally oriented grains grow faster and dominate the material volume far from the glass surface.…”

Section: Oriented Crystal Growth In Glass-ceramicsmentioning

confidence: 99%

Curved lattices of crystals formed in glass

Musterman

Dierolf

Jain

2022

Int J of Appl Glass Sci

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Atomic arrangements systemically deviating from the classic definition of single crystal lattice have been known in spherulites for over a century. However, their unusual curved lattice could not be exploited for useful applications due to their uncontrolled orientations and lattice curvatures. Heating of glass with focused laser, electron, or X-ray beam has yielded well-defined conditions for forming single crystal architectures. Furthermore, by controlling the conditions of irradiation and confinement by glass matrix for a given system, desired lattice curvature (rotations and twists) can be reproducibly introduced into these crystals. Here, we review several examples of laser-fabricated crystals with curved lattices in glass using a common coordinate system, which helps to establish correlations between processing parameters and lattice curvature. The mechanisms of lattice deformations are discussed along with potential methods to control the orientation of the initially formed seeds that determine the lattice orientations of the end product. The recent developments of laser-fabrication of single crystal architectures in glass with controlled heating profile appear promising for engineering the curvature of their lattices.

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