Mn2−Ho SnS4: A mixed quaternary metal chalcogenide system with an antiferromagnetic ordering

Dash, Tuhin Subhra; Sheetal, .; Tulsiyan, Kiran Devi; Mishra, Aman; Samal, D.; Yadav, C. S.; Samal, Saroj L.

doi:10.1016/j.jssc.2022.123350

Cited by 1 publication

(1 citation statement)

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“…The peaks observed in the XPS of Sn split in two, observed at 486.2 and 494.7 eV, correspond to the 3d 5/2 and 3d 3/2 of Sn, shown in Figure b. This refers to the −2 oxidation state of Sn Figure c shows the XPS of Mn, which splits into two peaks.…”

Section: Resultsmentioning

confidence: 91%

One-Pot Hydrothermal Synthesis of SnMnS Nanosheets for Dielectric Energy Storage Applications

Parida¹,

Senapati²,

Samal

et al. 2023

ACS Appl. Nano Mater.

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Recently, dielectric materials with high energy storage capacity, low loss, and good temperature stability are highly desired for the rapidly growing field of power electronics. In the current work, we have investigated the change in electrical, optical, and dielectric properties by varying the concentration of compositional elements Sn and Mn. We have prepared the Sn1–x Mn x S (0.1, 0.3, 0.5, 0.7, and 0.9) matrix by using the simple single-step hydrothermal method. The samples show that the reflectance percentage increased with the increase of the Mn amount in the composition. The samples exhibit narrow band gap values, which further increase with the Mn content. The band gap value increases from 0.43 to 0.56 eV. The structural analysis shows that the prepared samples are polycrystalline in nature, having SnS and MnS phases. Furthermore, the crystallite sizes increase with an increase in Mn addition, whereas dislocation density and strain decrease simultaneously. The refractive index is calculated from optical band gap values by using the Dimitrov and Sakka equation. The morphological study reveals the uniformity in size and shape of the prepared composition throughout the sample. The presence of compositional elements Sn, Mn, and S is confirmed by EDX analysis. The electrical study reveals that the sample shows good electrical properties, which increase with the Mn contents. The dielectric behavior as a function of frequency and temperature was investigated, and the parameters like dielectric constant, AC conductivity, impedance spectroscopy, and electric modulus were deeply analyzed. All the above optical, electrical, and dielectric properties of the SnMnS matrix have potential use in the field of electronic and energy storage device applications.

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Section: Resultsmentioning

confidence: 91%