Anomalous nanoclusters, anisotropy, and electronic nematicity in the doped manganite La1/3Ca2/3MnO3

Tao, J.; Sun, K.; Tranquada, J. M.; Zhu, Y.

doi:10.1103/PhysRevB.95.235113

Anomalous nanoclusters, anisotropy, and electronic nematicity in the doped manganite $L a_{1 / 3} C a_{2 / 3} Mn O_{3}$

Journal Article · Wed Jun 07 00:00:00 EDT 2017 · Physical Review. B

DOI:https://doi.org/10.1103/PhysRevB.95.235113· OSTI ID:1376162

Tao, J. ^[1]; Sun, K. ^[2]; Tranquada, J. M. ^[1]; Zhu, Y. ^[1]

Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Department
Univ. of Michigan, Ann Arbor, MI (United States). Department of Physics

In doped manganites, a superlattice (SL) modulation associated with charge/orbital ordering is accepted as a key component in understanding many intriguing properties. It has been reported that the SL modulation always appears on the a axis of the crystals. Here in this study, by using multiple transmission electron microscopic techniques, we observe a type of anomalous nanocluster in which the SL modulation appears on the c axis of La_1/3Ca_2/3MnO₃. By correlating the thermal evolution of the anomalous nanoclusters to other property measurements, we suggest that strain is responsible for the formation of the anomalous nanoclusters. The phase separation and phase transition scenario in La_1/3Ca_2/3MnO₃ are also described using electronic-liquid-crystal (ELC) phases. Lastly, an ELC phase diagram in La_1/3Ca_2/3MnO₃ is constructed as a function of temperature based on our observations.

View Accepted Manuscript (DOE)

Research Organization:: Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

Grant/Contract Number:: SC0012704

OSTI ID:: 1376162

Alternate ID(s):: OSTI ID: 1361928

Report Number(s):: BNL--114121-2017-JA; KC0201010; KC0201060

Journal Information:: Physical Review. B, Journal Name: Physical Review. B Journal Issue: 23 Vol. 95; ISSN 2469-9950

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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