Interlocked chiral/polar domain walls and large optical rotation in Ni3TeO6

Xueyun Wang, Fei Ting Huang, Junjie Yang, Yoon Seok Oh, Sang Wook Cheong

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

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.

Original languageEnglish (US)
Article number076105
JournalAPL Materials
Volume3
Issue number7
DOIs
StatePublished - Jul 1 2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • General Engineering

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