Ferroelectric domain engineering of lithium niobate single crystal confined in glass

Veenhuizen, Keith; McAnany, Sean; Vasudevan, Rama K.; Nolan, Daniel A.; Aitken, B. G.; Jesse, Stephen; Kalinin, Sergei V.; Jain, Himanshu; Dierolf, Volkmar

doi:10.1557/mrc.2018.234

Cited by 11 publications

(1 citation statement)

References 21 publications

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“…Presumably, lattice curvature is minimized toward the smallest rotation, but this has yet to be studied in detail. Examples of these types of lattice curvatures have been noted directly for LiNbO 3 , 42,67 where the misorientation magnitude follows an exponential decay toward the preferred crystal alignment. 43 This type of lattice curvature can also be seen upon closer examination of LaBGeO 5 54,55 and BaAlBO 3 F 2 64 crystal growth.…”

Section: Bending the Lattice Of Single Crystalsmentioning

confidence: 91%

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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Section: Bending the Lattice Of Single Crystalsmentioning

confidence: 91%

Curved lattices of crystals formed in glass

Musterman

Dierolf

Jain

2022

Int J of Appl Glass Sci

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View full text Add to dashboard Cite

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Recent Advances in Femtosecond Laser Processing of LiNbO₃ Crystals for Photonic Applications

Zhang

Wang

Chen

2020

Laser & Photonics Reviews

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Femtosecond laser pulses have been extensively employed to achieve 3D micro‐ and nanofabrication in various materials for a broad variety of applications. LiNbO3 crystal is a multifunctional material due to its combination of a number of excellent properties. By using femtosecond laser direct writing, various structures have been fabricated in LiNbO3 crystals based on the refractive index changes, surface morphology modifications, or domain structures to realize intriguing applications in integrated photonics. Herein, a state‐of‐the‐art review is provided on the femtosecond laser processing of LiNbO3 crystals, including the fabrication of diverse photonic structures and applications in nonlinear optics. To conclude, a brief outlook with a few potential spotlights is presented.

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