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Articles by Shovan Dan
A highly sensitive ratiometric optical thermometer based on Sr2MgWO6 double perovskite doped with Dy3+ exploiting thermally coupled and uncoupled levels
A highly sensitive ratiometric optical thermometer based on Sr2MgWO6 double perovskite doped with Dy3+ exploiting thermally coupled and uncoupled levels The increasing demand for highly sensitive optical thermometers operating within a wide temperature range necessitates the development of new phosphors.
Unveiling the interplay of magnetic order and electronic band structure in the evolution of the anomalous Hall effect in single crystalline MnPtGa
The recent studies on the anomalous Hall effect (AHE) have revealed an intrinsic relationship between the topological band structure and the experimentally observed transverse conductivity. Consequently, this has led to a heightened focus on examining the topological aspects of AHE. Here, an in-depth study of temperature driven sign reversal of anomalous Hall conductivity in the single crystalline MnPtGa (space group: P63/mmc) has been presented.
Insulating Half‐Heusler TmPdSb with Unusual Band Order and Metallic Surface States
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description adfm202402415-sup-0001-SuppMat.pdf13.6 MB Supporting Information References 1, , Mater. Adv. 2021, 2, 6246. 2, , , , , , , Nature Commun. 2023, 14, 3300. 3, , , , , , , , , , , Nature Commun. 2022, 13, 35. 4, , , , , , Nat. Mater. 2010, 9, 541. 5, , , , , , , , , , , , Sci. Adv. 2015, 1, 1500242. 6, , , , , , , , , Phys. Rev. B 2017, 95, 024411. 7, , , , , , , , , , , , , , , , , Energy Environ. Sci.
Large unconventional anomalous Hall effect arising from spin chirality within domain walls of an antiferromagnet ${\mathrm{EuZn}}_{2}{\mathrm{Sb}}_{2}$
The unconventional anomalous Hall effect was observed in the antiferromagnetic state of EuZn2Sb2. Scaling of unconventional Hall conductivity with the longitudinal conductivity, and the magnitude of the Hall angle indicate spin chirality despite a collinear magnetic structure. Anomalies in magnetoresistance culminate in the same fields, in which the unconventional anomalous Hall resistance has maxima.
Superexchange interaction in insulating ${\mathrm{EuZn}}_{2}{\mathrm{P}}_{2}$
We report magnetic and transport properties of single-crystalline EuZn2P2, which has trigonal CaAl2Si2-type crystal structure and orders antiferromagnetically at ≈23K. Easy ab-plane magneto-crystalline anisotropy was confirmed from the magnetization isotherms, measured with a magnetic field applied along different crystallographic directions (ab plane and c axis). Positive Curie-Weiss temperature indicates dominating ferromagnetic correlations.
Unraveling the obscure electronic transition and tuning of Fermi level in Cu substituted Bi2Te3 compound
In recent decades, topological insulators (TIs) have gained much attention in condensed matter physics due to their unique band structure and potential technological applications. The detailed investigation reveals the chalcogenides, and their doped compositions show a non-trivial electronic band structure similar to the 3D TI. Physical properties of doped compositions based on the parent chalcogenides are well investigated.1–251. J. Henk, A. Ernst, S. Eremeev, E. V. Chulkov, I. Maznichenko, and I.
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