Magnetic interactions based on proton orbital motion in CH3NH3PbI3 and CH3NH3PbBr3

Meng, Lei; Zhao, Miao Miao; Xu, Yi Yang; Peng, Chuan; Yang, Yang; Xing, Tian Tian; Ren, Peng

doi:10.1016/j.scriptamat.2022.115229

Cited by 3 publications

(1 citation statement)

References 45 publications

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“…31 Moreover, theoretical studies of MAPbI 3 suggest that iodine and lead vacancies are the primary sources of magnetism in its cubic and orthorhombic structure. 32 Additionally, the influence of zwitterionic form of glycine on the Cu 2+ ion as well as the change of Cu surrounding it due to cooling can be explained as the effect of structural rearrangement of the compound in the same manner as the reorganization of the CH 3 NH 3 + ion in methylammonium lead halides, 33 and structural changes in (CH 3 NH 3 ) 2 [Fe II Cl 4 ] 34 has generated observable changes in magnetic properties of these metal halides.…”

Section: Resultsmentioning

confidence: 99%

Structural and physical properties of two distinct 2D lead halides with intercalated Cu(ii)

Parashar,

Zhang,

Buturlim

et al. 2024

J. Mater. Chem. C

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Section: Resultsmentioning

confidence: 99%

Structural and physical properties of two distinct 2D lead halides with intercalated Cu(ii)

Parashar,

Zhang,

Buturlim

et al. 2024

J. Mater. Chem. C

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Magnetically driven molecular orientational ordering in plastic crystals: The case of d-camphor

Zhao,

Du,

Zhu

et al. 2024

The Journal of Chemical Physics

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Many solid crystals exhibit a structural phase transition where a subset of its ions or entire molecules become orientationally ordered. As to why such ordering occurs remains mostly unresolved. We consider the extremely weak magnetic elements arising from the reorientations of the molecules experiencing mutual resonance to play the chief role. Two new features are identified in d-camphor: (1) the magnetic susceptibility abruptly changes when crossing the order–disorder phase transition at TII–III = 239.8 K during cooling and at TIII–II = 245.2 K during warming and (2) the complex dielectric constant exhibits two successive discontinuities only 0.2 K apart near the critical temperatures when the sweeping rate is only 0.1 K/min. We discuss how the change in entropy associated with order–disorder transitions in plastic crystals represents temporal changes rather than spatial changes in the system. Our findings may be extended to study why many other crystalline solids exhibit orientational ordering and irreversibility.

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Investigation of Faraday Rotation Effect in Solution Grown Perovskite Single Crystals

Liu,

Wei,

Liao

et al. 2023

Preprint

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Magnetic interactions based on proton orbital motion in CH3NH3PbI3 and CH3NH3PbBr3

Cited by 3 publications

References 45 publications

Structural and physical properties of two distinct 2D lead halides with intercalated Cu(ii)

Structural and physical properties of two distinct 2D lead halides with intercalated Cu(ii)

Magnetically driven molecular orientational ordering in plastic crystals: The case of d-camphor

Investigation of Faraday Rotation Effect in Solution Grown Perovskite Single Crystals

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