Publications

Papers

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43. Kumar, A.; Sarkar, D.; Guin, S. N.* Room temperature synthesis and low thermal conductivity in nanocrystalline Ag3CuS2, Inorg. Chem., 2024 (Accepted).

42. Litskevich, M.; Hossain, S.; Zhang, S.; Cheng, Z.; Guin, S. N.; Kumar, N.; Shekhar, C.; Wang, Z.; Li, Y.; Chang, G.; Cheng, G.; Yin, J-X.; Zhang, Q.; Jiang, Y. -X.; Cochran, T. A.; Shumiya, N.; Multer, D.; Yang, X. P.; Liu, X.; Yao, N.; Yao, Y.; Neupert, T.; Felser, C.; Hasan, Z. Boundary modes of a charge density wave state in a topological material, Nat. Phys. 2024, (Accepted).

41. Yadav, S.; Kumar, A.; Guin, S. N.* Topological transverse thermoelectrics: A new way forward? The Innovation, 2023, 4, 100530.

40. Kumar, A.; Guin, S. N.* Topological quantum magnets for transverse thermoelectric energy conversion, Mater. Chem. Front., 2023, 7, 4202 (selected as Hot Article).

39. Roychowdhury, S.; Yao, M.; Samanta, K.; Bae, S.; Chen, D.; Ju, S.; Raghavan, A.; Kumar, N.; Constantinou, P.; Guin, S. N.; Clark Plumb, N.; Romanelli, M.; Borrmann, H.; Shekhar, C.; Vergniory, M. G.; N. Strocov, V.; Madhavan, V. and Felser, C. Anomalous Hall Conductivity and Nernst Effect of the Ideal Weyl Semimetallic Ferromagnet EuCd2As2, Adv. Sci., 2023, 10, 2207121.

38. Scott, E. F.; Schlaak, K. A.; Chakraborty, P.; Fu, C.; Guin, S. N.; Khodabakhsh, S.; Puente, A. E. P. y.; Felser, C.; Skinner, B. and Watzman, S. J. Doping as a tuning mechanism for magneto-thermoelectric effects to improve zT in polycrystalline NbP, Phys. Rev. B 2023, 107, 115108.

37. Pshenay-Severin, D.; Guin, S. N.; Konstantinov, P.; Novikov, S.; Rathore, E.; Biswas, K.; Burkov, A. Band Structure, Phonon Spectrum and Thermoelectric Properties of Ag3CuS2, Materials 2023, 16, 1130.

36. Roychowdhury, S.; Ochs, A. M.; Guin, S. N.; Samanta, K.; Noky, J.; Shekhar, C.; Maia, V. G.; Goldberger, J. E. and Felser, C. Large room temperature anomalous transverse thermoelectric effect in kagome antiferromagnet YMn6Sn6, Adv. Mater. 2022, 34, 2201350.

35. Chakraborty, T.; Samanta, K.; Guin, S. N.; Noky, J.; Robredo, I.; Prasad, S.; Kuebler, J.; Shekhar, C.; Vergniory, M. G. and Felser, C. Berry curvature induced anomalous Hall conductivity in magnetic topological oxide double perovskite Sr2FeMoO6, Phys. Rev. B 2022, 106, 155141.

34. Roychowdhury, S.; Singh, S.; Guin, S. N.; Kumar, N.; Chakraborty, T.; Schnelle, W.; Borrmann, H.; Shekhar, C. and Felser, C. Giant topological Hall effect in the noncollinear phase of two-dimensional antiferromagnetic topological insulator MnBi4Te7, Chem. Mater. 2021, 33, 8343. 

33. Mende, F.; Noky, J.; Guin, S. N.; Fecher, G. H.; Manna, K.; Adler, P.; Schnelle, W.; Sun, Y.; Fu, C. and Felser, C. Large anomalous Hall and Nernst effects in high Curie-temperature iron-based Heusler compounds, Adv. Sci. 2021, 8, 2100782. 

32. Guin, S. N.*; Xu, Q.; Kumar, N.; Kung, H.-H.; Dufresne, S.; Le, C.; Vir, P.; Michiardi, M.; Pedersen, T.; Gorovikov, S.; Zhdanovich, S.; Manna, K.; Auffermann, G.; Schnelle, W.; Gooth, J.; Shekhar, C.; Damascelli, A.; Sun, Y. and Felser, C. 2D-Berry-curvature-driven large anomalous Hall effect in layered topological nodal-line MnAlGe, Adv. Mater. 2021, 33, 2006301, Journal front cover.

31. Kumar, N.; Lamba, N.; Gayles, J.; Le, C.; Vir, P.; Guin, S. N.; Sun, Y.; Felser, C. and Shekhar, C. Giant anomalous Hall conductivity in the itinerant ferromagnet LaCrSb3 and the effect of f-electrons, Adv. Quantum Technol. 2021, 2100023.

30 Kumar, N.; Guin, S. N.; Manna, K.; Shekhar, C. and Felser, C. Topological quantum materials from the viewpoint of chemistry, Chem. Rev. 2021, 121, 2780.

29. Rathore, E.†; Guin, S. N.† and Biswas. K. Enhancement of thermoelectric performance of n-type AgBi1+xSe2 via improvement of the carrier mobility by modulation doping. Bull. Mater. Sci. 2020, 43, 315. (†equal contribution).

28. Fu, C.; Guin, S. N.; Scaffidi, T.; Sun, Y.; Saha, R.; Watzman, S. J.; Srivastava, A. K. K.; Li, G.; Schnelle, W.; Parkin, S. S. P. Hartnoll, S. A. Felser, C. and Gooth. J. Largely suppressed magneto-thermal conductivity and enhanced magneto-thermoelectric properties in PtSn4, Research. 2020, 2020, 4643507.

27. Schindler, C.; Galeski, S.; Schnelle, W.; Wawrzyńczak, R.; Abdel-Haq, W.; Guin, S. N.; Kroder, J.; Kumar, N.; Fu, C.; Borrmann, H.; Shekhar, C.; Felser, C.; Meng, T.; Grushin, A. G.; Zhang, Y.; Sun, Y. and Gooth, J. Anisotropic electrical and thermal magnetotransport in the magnetic semimetal GdPtBi, Phys. Rev. B 2020, 101, 125119.

26. Yao, M.; Manna, K.; Yang, Q.; Fedorov, A.; Voroshnin, V.; Schwarze, B.; Hornung, J.; Chattopadhyay, S.; Sun, Z.; Guin, S. N.; Wosnitza, J.; Borrmann, H.; Shekhar, C.; Kumar, N.; Fink, J.; Sun, Y. and Felser, C. Observation of giant spin-split Fermi-arc with maximal Chern number in chiral topological semimetal PtGa, Nat. Commun. 2020, 11, 2033.

25. Thakur, G. S.; Vir, P.; Guin, S. N.; Shekhar, C.; Weihrich, R.; Sun, Y.; Kumar, N. and Felser, C. Intrinsic anomalous Hall effect in Ni-substituted magnetic Weyl semimetal Co3Sn2S2, Chem. Mater. 2020,  32, 1612.

24. Kumar, N.; Sun, Y.; Nicklas, M.; Watzman, S. J.; Young, O.; Leermakers, I.; Hornung, J.; Klotz, J.; Gooth, J.; Manna, K.; Süß, V.; Guin, S. N.; Förster, T.; Schmidt, M.; Muechler, L.; Yan, B.; Werner, P.; Schnelle, W.; Zeitler U.; Wosnitza, J.; Parkin, S. S.P.; Felser, C. and Shekhar, C. Extremely high conductivity observed in the triple point topological metal MoP, Nat. Commun. 2019, 10, 2475.

23. Guin, S. N.*; Vir, P.; Zhang, Y.; Kumar, N.; Watzman, S. J.; Fu, C.; Liu, E.; Manna, K.; Schnelle, W.; Gooth, J.; Shekhar, C.; Sun, Y. and Felser, C. Zero-field Nernst effect in a ferromagnetic kagome-lattice Weyl-semimetal Co3Sn2S2, Adv. Mater. 2019, 31, 1806622.

22. Guin, S. N.*; Manna, K.; Noky, J.; Watzman, S. J.; Fu, C.; Kumar, N.; Schnelle, W.; Shekhar, C.; Sun, Y.; Gooth, J. and Felser, C. Anomalous Nernst effect beyond the magnetization scaling relation in the ferromagnetic Heusler compound Co2MnGa, NPG Asia Mater. 2019, 11, 16. 

21. Fu, C.†; Guin, S. N.†; Watzman, S. J.; Li, G.; Liu, E.; Kumar, N.; Süß, V.; Schnelle, W.; Auffermann, G.; Shekhar, C.; Sun, Y.; Gooth, J. and Felser, C.  Large Nernst power factor over a broad temperature range in polycrystalline Weyl semimetal NbP, Energy Environ. Sci. 2018, 11, 2813. (†equal contribution).

20. Kumar, N.; Guin, S. N.; Felser, C.; Shekhar, C. Planar Hall effect in the Weyl semimetal GdPtBi, Phys. Rev. B (rapid comm.) 2018, 98, 041103(R). 

19. Roychowdhury, S.; Jana, M. K.; Pan, J.; Guin, S. N.; Sanyal, D.;  Waghmare, U. V. and Biswas, K. Soft phonon modes leading to ultralow thermal conductivity and high thermoelectric performance in AgCuTe, Angew. Chem. Int. Ed. 2018, 57, 4043.

18. Guin, S. N.; Banerjee, S.;  Sanyal, D.; Pati, S. K. and Biswas, K. Nanoscale stabilization of nonequilibrium rock salt BiAgSeS: colloidal synthesis and temperature driven unusual phase transition, Chem. Mater. 2017, 29, 3769.

17. Samanta, M.; Guin, S. N. and Biswas, K. Ultrathin few layer oxychalcogenide BiCuSeO nanosheets, Inorg. Chem. Front. 2017, 4, 84.

16. Vincent, R.; Malavi, P.; Sharma, Y.; Sorb, Y.; Dutta, U.; Guin, S. N.; Joseph, B.; Pati, S. K.; Karmakar, S.; Biswas, K. and Narayana, C. Pressure induced structural, electronic topological and semiconductor to metal transition in AgBiSe2, Appl. Phys. Lett. 2016, 109, 171903.

15. Guin, S. N.; Banerjee, S.; Sanyal, D.; Pati, S. K. and Biswas, K. Origin of the order–disorder transition and the associated anomalous change of thermopower in AgBiS2 nanocrystals: A combined experimental and theoretical Study, Inorg. Chem. 2016, 55, 6323.

14. Suryawanshi, S. R.; Guin, S. N.; Chatterjee, A.; Kashid, V.; More, M. A.; Late, D. J. and Biswas, K. Low frequency noise and photo-enhanced field emission from ultrathin PbBi2Se4 nanosheets, J. Mater. Chem. C 2016, 4, 1096.

13. Guin, S. N.; Sanyal, D. and Biswas, K. The effect of order-disorder phase transition and band gap evolution on the thermoelectric properties of AgCuS nanocrystals, Chem. Sci. 2016, 7, 534. 

12. Roychowdhury, S.; Ghara, S.; Guin, S. N.; Sundaresan, A. and Biswas, K. Large linear magnetoresistance in topological crystalline insulator Pb0.6Sn0.4Te, J. Solid State Chem. 2016, 233, 199. 

11. Guin, S. N.; Kundu, S. and Biswas, K. Effect of aliovalent chlorine doping on the thermoelectric properties of n-type AgBi0.5Sb0.5Se2, Soc. Mater. Chem. Bulletin 2015, 6, 30.

10. Guin, S. N. and Biswas, K. Sb deficiencies control hole transport and boost the thermoelectric performance of p-type AgSbSe2, J. Mater. Chem. C 2015, 3, 10415.

9. Guin, S. N. and Biswas, K. Temperature driven p-n-p type conduction switching materials: Current trends and future direction, Phys. Chem. Chem. Phys. 2015, 17, 10316 (Perspective article).

8. Guin, S. N.; Srihari V. and Biswas, K. Promising thermoelectric performance in n-type AgBiSe2: Effect of aliovalent anion doping, J. Mater. Chem. A 2015, 3, 648. 

7. Guin, S. N.; Pan, J.; Bhowmik, A.; Sanyal, D.; Waghmare, U. V. and Biswas, K. Temperature dependent reversible p-n-p type conduction switching with colossal change in thermopower of semiconducting AgCuS, J. Am. Chem. Soc.  2014, 136, 12712.

6. Aggarwal, L.; Sekhon, J. S.; Guin, S. N.; Arora, A.; Negi, D. S.; Datta, R.; Biswas, K. and Sheet, G. Direct evidence of strong local ferroelectric ordering in a thermoelectric semiconductor, App. Phys. Lett. 2014, 105, 113903.

5. Chatterjee, A.; Guin, S. N. and Biswas, K. Ultrathin septuple layered PbBi2Se4 nanosheets, Phys. Chem. Chem. Phys. 2014, 16, 14635.

4. Guin, S. N.; Negi, D. S.; Datta, R. and Biswas, K. Nanostructuring, carrier engineering and bond anharmonicity synergistically boost the thermoelectric performance in p-type AgSbSe2-ZnSe, J. Mater. Chem. A 2014, 2, 4324.

3. Guin, S. N.; Chatterjee, A. and Biswas, K. Enhanced thermoelectric performance in p-type AgSbSe2 by Cd-doping, RSC Advances 2014, 4, 11811. 

2. Guin, S. N.; Chatterjee, A.; Negi, D. S.; Datta, R. and Biswas, K. High thermoelectric performance in tellurium free p-type AgSbSe2, Energy Environ. Sci. 2013, 6, 2603.

1. Guin, S. N. and Biswas, K. Cation disorder and bond anharmonicity optimize the thermoelectric properties in kinetically stabilized rocksalt AgBiS2 nanocrystals, Chem. Mater. 2013, 25, 3225.

Book chapter

1. Guin, S. N.; Banik, A. and Biswas, K. “Thermoelectric energy conversion in layered metal chalcogenides” in the book “2-D Inorganic materials beyond graphene", Eds.  Rao, C. N. R. and Waghmare, U. V. World Scientific (Singapore), 2017.