Abstract
Chirality, i.e., handedness, pervades much of modern science from elementary particles, DNA-based biology to molecular chemistry; however, most of the chirality-relevant materials have been based on complex molecules. Here, we report inorganic single-crystalline Ni3TeO6, forming in a corundum-related R3 structure with both chirality and polarity. These chiral Ni3TeO6 single crystals exhibit a large optical specific rotation (α)—1355° dm−1 cm3 g−1. We demonstrate, for the first time, that in Ni3TeO6, chiral and polar domains form an intriguing domain pattern, resembling a radiation warning sign, which stems from interlocked chiral and polar domain walls through lowering of the wall energy.
Highlights
Chirality, i.e., handedness, pervades much of modern science from elementary particles, DNA-based biology to molecular chemistry; most of the chiralityrelevant materials have been based on complex molecules
These non-centrosymmetric materials naturally accompany domains and domain walls that result from symmetry breaking away from centrosymmetry
The most well studied chiral domains in inorganic materials are those in chiral quartz (SiO2; trigonal space group P3221 or P3121) — the so-called Dauphine twins.[4,5]
Summary
I.e., handedness, pervades much of modern science from elementary particles, DNA-based biology to molecular chemistry; most of the chiralityrelevant materials have been based on complex molecules. Interlocked chiral/polar domain walls and large optical rotation in Ni3TeO6 We report inorganic single-crystalline Ni3TeO6, forming in a corundum-related R3 structure with both chirality and polarity.
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