Airflow-aligned helical nanofilament (B4) phase in topographic confinement

Min Jun Gim, Hanim Kim, Dong Chen, Yongqiang Shen, Youngwoo Yi, Eva Korblova, David M. Walba, Noel A. Clark, Dong Ki Yoon

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We investigated a controlled helical nanofilament (HNF: B4) phase under topographic confinement with airflow that can induce a shear force and temperature gradient on the sample. The resulting orientation and ordering of the B4 phase in this combinational effort was directly investigated using microscopy. The structural freedom of the complex B7 phase, which is a higher temperature phase than the B4 phase, can result in relatively complex microscopic arrangements of HNFs compared with the B4 phase generated from the simple layer structure of the B2 phase. This interesting chiral/polar nanofilament behaviour offers new opportunities for further exploration of the exotic physical properties of the B4 phase.

Original languageEnglish (US)
Article number29111
JournalScientific reports
Volume6
DOIs
StatePublished - Jul 7 2016

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