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Asymmetrical Electrical Performance across Different Planes of Solution-Grown MAPbBr₃ Crystals of mm Dimensions.

ABSTRACT: Throughout a few years, carrier transport studies across HaP single crystals have gained enormous importance for current generation photovoltaic and photodetector research with their superior optoelectronic properties compared to commercially available polycrystalline materials. Utilizing the room-temperature solution-grown method, we synthesized MAPbBr₃ crystals and examined their electrical transport properties. Although the X-ray diffraction reveals the cubical nature of the crystals, we have observed anisotropy in the electrical transport behavior and variation in dielectric constant across the three opposite faces of the crystals of mm dimensions. The face with a higher dielectric constant depicts improved parameters from electrical characteristics such as lower trap densities and higher mobility values. We further explore the origin of its anisotropic nature by performing X-ray diffraction on three opposite faces of crystals. Our studies define the specific faces of cuboid-shaped MAPbBr₃ crystals for efficient electrical contact in the fabrication of optoelectronic devices.

SUBMITTER: Ramya K

PROVIDER: S-EPMC9685599 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Asymmetrical Electrical Performance across Different Planes of Solution-Grown MAPbBr<sub>3</sub> Crystals of mm Dimensions.

Ramya Kunchanapalli K Mondal Arindam A Gupta Dr Satyajit DS Mukhopadhyay Dr Sabyasachi DS

ACS omega 20221109 46

Throughout a few years, carrier transport studies across HaP single crystals have gained enormous importance for current generation photovoltaic and photodetector research with their superior optoelectronic properties compared to commercially available polycrystalline materials. Utilizing the room-temperature solution-grown method, we synthesized MAPbBr<sub>3</sub> crystals and examined their electrical transport properties. Although the X-ray diffraction reveals the cubical nature of the crysta ...[more]

PMID: 36440177

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Project description:Asymmetry in forelimb dorsal hoof wall angles, termed unevenness, is associated with forelimb gait asymmetries, but compensatory mechanisms and out of plane ground reaction forces (GRFs) due to unevenness have yet to be documented. The aim of this study was therefore to investigate the effects of fore hoof unevenness on contralateral fore and hind limb force vectors patterns, in both sagittal and frontal planes. A group of n = 34 riding horses were classified into four groups: hoof angle difference of more than 1.5 degrees (UNEVEN; n = 27), including higher left fore (HIGH-LF; n = 12), higher right fore (HIGH-RF; n = 15), and hoof angle difference of less than 1.5 degrees (EVEN; n = 7). Three dimensional ground reaction forces GRFs were collected during trotting. GRF summary vectors representing the magnitude (VecMag) and angular direction (VecAng) of the entire stance phase in the sagittal and the frontal plane were calculated. The effects of unevenness on GRF production were explored using linear regression, repeated measures ANOVA and statistical parametric mapping (SPM) with significance at (P<0.05). In all uneven groups, increasing unevenness affected sagittal VecAng values in the forelimbs, with more propulsive GRF in the high hoof. In the HIGH-RF group, medial GRFs were also found in the high RF hoof compared to lateral GRFs in the low LF hoof (RF VecAng: 0.97±1.64 (deg); LF VecAng: -0.64±1.19 (deg); P<0.05). In both HIGH groups, compensatory associations to increasing unevenness were only found in the RH, but also a significantly greater lateral VecAng was found in the LH (P<0.05) compared to the RH limb. No significant differences (P>0.05) were found between hindlimb pairs in the EVEN group. Unbalanced sagittal and increased frontal plane GRFs in uneven horses suggest that they have greater locomotory challenges, as the equine musculoskeletal system is not constructed to withstand movement and loading in the frontal plane as effectively as it is in the sagittal plane.

Dataset Information

Asymmetrical Electrical Performance across Different Planes of Solution-Grown MAPbBr₃ Crystals of mm Dimensions.

Publications

Asymmetrical Electrical Performance across Different Planes of Solution-Grown MAPbBr<sub>3</sub> Crystals of mm Dimensions.

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Asymmetrical Electrical Performance across Different Planes of Solution-Grown MAPbBr3 Crystals of mm Dimensions.

Publications

Asymmetrical Electrical Performance across Different Planes of Solution-Grown MAPbBr<sub>3</sub> Crystals of mm Dimensions.

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

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Asymmetrical Electrical Performance across Different Planes of Solution-Grown MAPbBr₃ Crystals of mm Dimensions.