Investigation of magnetic phase transition on the layered inorganic-organic hybrid perovskites (C6H5CH2CH2NH3)2MnCl4 by single-crystal neutron diffraction

Garam Park, In Hwan Oh, J. M.Sungil Park, Seong Hun Park, Chang Seop Hong, Kwang Sei Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In previous work, the inorganic-organic hybrid perovskite system (C6H5CH2CH2NH3)2MnCl4 exhibit well-isolated 2D Heisenberg antiferromagnetc properties, including a canted antiferromagnet below TN = 44.3 K. This study looked at the antiferromagnetic spin structure of the titled compound using single-crystal neutron diffraction. At 43 K, a new forbidden (-1 0 0) peak was observed and this peak showed a clear temperature dependence. Additionally, non-integer forbidden peaks were found. It was assumed that the magnetic cell was equal to the chemical cell for Mn-PEA system (k = 0). No magnetic peaks were observed along the c-axis. From this data it can be assumed that the spin is parallel to the c-axis. This result coincides with previous magnetic measurement studies. According to Turov, in the case of an antiferromagnetic structure with weak ferromagnetism, the magnetic cell should be equal to the chemical cell. Our neutron diffraction measurement and former study strongly support the hypothesis of Turov.

Original languageEnglish
JournalPhysica B: Condensed Matter
DOIs
Publication statusAccepted/In press - 2017 Aug 2

Fingerprint

Neutron diffraction
perovskites
neutron diffraction
Phase transitions
Single crystals
Ferromagnetism
single crystals
Magnetic variables measurement
cells
Perovskite
ferromagnetism
magnetic measurement
Temperature
temperature dependence
perovskite

Keywords

  • A1. Inorganic-organic hybrid perovskite
  • A2. Low-dimensional magnetism
  • A3. single-crystal neutron diffraction
  • A4. Magnetic transition

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Investigation of magnetic phase transition on the layered inorganic-organic hybrid perovskites (C6H5CH2CH2NH3)2MnCl4 by single-crystal neutron diffraction. / Park, Garam; Oh, In Hwan; Park, J. M.Sungil; Park, Seong Hun; Hong, Chang Seop; Lee, Kwang Sei.

In: Physica B: Condensed Matter, 02.08.2017.

Research output: Contribution to journalArticle

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AU - Park, Seong Hun

AU - Hong, Chang Seop

AU - Lee, Kwang Sei

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AB - In previous work, the inorganic-organic hybrid perovskite system (C6H5CH2CH2NH3)2MnCl4 exhibit well-isolated 2D Heisenberg antiferromagnetc properties, including a canted antiferromagnet below TN = 44.3 K. This study looked at the antiferromagnetic spin structure of the titled compound using single-crystal neutron diffraction. At 43 K, a new forbidden (-1 0 0) peak was observed and this peak showed a clear temperature dependence. Additionally, non-integer forbidden peaks were found. It was assumed that the magnetic cell was equal to the chemical cell for Mn-PEA system (k = 0). No magnetic peaks were observed along the c-axis. From this data it can be assumed that the spin is parallel to the c-axis. This result coincides with previous magnetic measurement studies. According to Turov, in the case of an antiferromagnetic structure with weak ferromagnetism, the magnetic cell should be equal to the chemical cell. Our neutron diffraction measurement and former study strongly support the hypothesis of Turov.

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