Publications
PhD thesis:
Soumyajyoti Haldar, "Influence of defects and impurities on the properties of 2D materials", Department of Physics & Astronomy, Uppsala University. 2016 - [pdf]
Licentiate thesis:
Soumyajyoti Haldar, "Fe Adatoms on 2D Surfaces: Influence of Defects and Interfaces", Department of Physics & Astronomy, Uppsala University. 2014 - [pdf]
Master thesis:
Soumyajyoti Haldar, "Simulation studies of defect in semiconductor cluster", Department of Physics, University of Pune. 2009 - [pdf]
2021-Current
Upcoming
M Gutzeit, T Drevelow, M. Goerzen, S Haldar & S Heinze, Spontaneous square versus hexagonal nanoscale skyrmion lattices in Fe/Ir(111). Physical Review B, 108, L060405 (2023) [link]
H Li, E Gürbüz, S Haldar, T Hussain, et. al., Observation of defect density dependent elastic modulus of graphene. Applied Physics Letters, 123, 053102 (2023) [link]
H J Elmers, S Haldar, K Medjanik et. al., Critical behavior and exchange splitting in the two-dimensional antiferromagnet Mn on Re(0001). Physical Review B, 107, 144424 (2023) [link]
D Li, S Haldar, T Drevelow & S Heinze, Tuning the magnetic interactions in van der Waals Fe3GeTe2 heterostructures: A comparative study of ab initio methods. Physical Review B, 107, 104428 (2023) [link]
S Toksabay, M Leisegang, A Christ, et. al., Controlled Formation of Porous 2D Lattices from C3-symmetric Ph6−Me-Tribenzotriquinacene-OAc3. Chemistry - A European Journal, 29, e202203187 (2023) [link]
M Gutzeit, A Kubetzka, S Haldar, H Pralow, et. al., Nano-scale collinear multi-Q states driven by higher-order interactions. Nature Communications, 13, 5764 (2022) [link]
D Li, S Haldar, & S Heinze, Strain-Driven Zero-Field Near-10 nm Skyrmions in Two-Dimensional van der Waals Heterostructures. Nano Letter, 22, 7706 (2022) [link]
S Bhandary, S Haldar, & B Sanyal, Quasiperiodic Van der Waals Heterostructures of Graphene and Hexagonal Boron Nitride. Physica Status Solidi B, 259, 2100423 (2022) [link]
S Haldar, S Meyer, A Kubetzka, & S Heinze, Distorted 3Q state driven by topological-chiral magnetic interactions. Physical Review B, 104, L180404 (2021) [link]
M Gutzeit, S Haldar, S Meyer, & S Heinze, Trends of higher-order exchange interactions in transition metal trilayers. Physical Review B, 104, 024420 (2021) [link]
M Leisegang, A Christ, S Haldar, S Heinze, & M Bode, Molecular chains - arranging and programming logic gates. Nano Letters, 21, 550 (2021) [link]
2015-2020
AB Odobesko, F Friedrich, S Zhang, S Haldar, S Heinze, B Trauzettel & M Bode, Anisotropic vortices on superconducting Nb(110), Physical Review B, 102, 174502 (2020) [link]
S Paul, S Haldar, S von Malottki, & S Heinze, Role of higher-order exchange interactions for skyrmion stability, Nature Communications, 11, 4756 (2020) [link]
M Gutzeit, S Haldar & S Heinze, Electronic and magnetic properties of 3d transition-metal adatoms on Mn/W(110), Physical Review B, 101, 134411 (2020) [link]
N Hauptmann, S Haldar, TC Hung, W Jolie, M Gutzeit, D Wegner, S Heinze, & AA Khajetoorians, Quantifying exchange forces of a non-collinear magnetic structure on the atomicscale, Nature Communications, 11, 1197 (2020) [link]
H Li, T Duan, S Haldar, B Sanyal, O Eriksson, SHM Jafri, S Hajjar-Garreau, L Simon & K Leifer, Direct Writing of Lateral Fluorographene Nanopatterns with Tunable Bandgaps and Its Application in New Generation of Moiré Superlattice, Applied Physics Reviews, 7, 011403 (2020) [link]
S Haldar, M Gutzeit, & S Heinze, Tunneling anisotropic magnetoresistance of Pb and Bi adatoms and dimers on Mn/W(110): A first-principles study, Physical Review B, 100, 094412 (2019) [link]
IE Brumboiu, S Haldar, J Lüder, O Eriksson, H Herper, B Brena & B Sanyal, Ligand Effects on the Linear Response Hubbard U: The Case of Transition Metal Phthalocyanines, Journal of Physical Chemistry A, 123, 3214 (2019) [link]
AB Odobesko, S Haldar, S Wilfert, J Hagen, J Jung, N Schmidt, P Sessi, M Vogt, S Heinze, & M Bode, Preparation and electronic properties of clean superconducting Nb(110) surfaces, Physical Review B, 99, 115437 (2019) [link]
S von Malottki, PF Bessarab, S Haldar, A Delin & S Heinze, Skyrmion lifetimes in ultrathin films, Physical Review B, 99, 060409(R) (2019) [link]
S Haldar & S Heinze, Noncollinear spin density of an adatom on a magnetic surface, Physical Review B, 98, 220401(R) (2018) [link]
S Haldar, S Bhandary, H Vovusha, & B Sanyal, Comparative study of electronic and magnetic properties of iron and cobalt phthalocyanine molecules physisorbed on two-dimensional MoS_2 and graphene, Physical Review B, 98, 085440 (2018) [link]
S Haldar, S von Malottki, S Meyer, PF Bessarab, & S Heinze, First-principles prediction of sub-10-nm skyrmions in Pd/Fe bilayers on Rh(111), Physical Review B, 98, 060413(R) (2018) [link]
C Antoniak, D Schmitz, A Warland, M Darbandi, S Haldar, S Bhandary, B Sanyal, O Eriksson, & H Wende, Suppression of the Verwey Transition by Charge Trapping, Annalen der Physik, 530, 1700363 (2018) [link]
R Papadakis , H Li, J Bergman, A Lundstedt, K Jorner, R Ayub, S Haldar, B Jahn, A Denisova, B Zietz, R Lindh, B Sanyal, H Grennberg, K Leifer & H Ottosson, Metal-Free Photochemical Silylations and Transfer Hydrogenations of Benzene, Polycyclic Aromatic Hydrocarbons and Graphene, Nature Communications, 7, 12962 (2016) [link]
IE Brumboiu, S Haldar, J Lüder, O Eriksson, HC Herper, B Brena & B Sanyal, Influence of Electron Correlation on the Electronic Structure and Magnetism of Transition-Metal Phthalocyanines, Journal of Chemical Theory and Computations, 12, 1772 (2016) [link]
H Li, L Daukiya, S Haldar, A Lindblad, B Sanyal, O Eriksson, D Aubel, S Hajjar-Garreau, L Simon & K Leifer, Site-selective local fluorination of graphene induced by focused ion beam irradiation, Scientific reports, 6, 19719 (2016) [link]
S Haldar, RG Amorim, B Sanyal, RH Scheicher & AR Rocha, Energetic stability, STM fingerprints and electronic transport properties of defects in graphene and silicene, RSC Advances, 6, 6702 (2016) [link]
S Haldar, H Vovusha, MK Yadav, O Eriksson & B Sanyal, Systematic study of structural, electronic, and optical properties of atomic-scale defects in the two-dimensional transition metal dichalcogenides MX_2 (M= Mo, W; X= S, Se, Te), Physical Review B, 92, 235408 (2015) [link]
2009-2014
D Schmitz, C Schmitz-Antoniak, A Warland, M Darbandi, S Haldar, S Bhandary, O Eriksson, B Sanyal & H Wende, The dipole moment of the spin density as a local indicator for phase transitions, Scientific Reports, 4, 5760 (2014) [link]
S Chowdhury, S Baidya, D Nafday, S Halder, M Kabir et al., A real-space study of random extended defects in solids: Application to disordered Stone–Wales defects in graphene, Physica E, 61, 191 (2014) [link]
S Haldar, BS Pujari, S Bhandary et al., Fe_n (n= 16) clusters chemisorbed on vacancy defects in graphene: Stability, spin-dipole moment, and magnetic anisotropy, Physical Review B, 89, 205411 (2014) [link]
S Haldar, P Srivastava, O Eriksson, P Sen & B Sanyal, Designing Fe Nanostructures at Graphene/h-BN Interfaces, Journal of Physical Chemistry C, 117, 21763 (2013) [link]
Y Hajati, T Blom, SHM Jafri, S Haldar, S Bhandary, MZ Shoushtari, O Eriksson, B Sanyal & KLeifer, Improved gas sensing activity in structurally defected bilayer graphene, Nanotechnology, 23, 505501 (2012) [link]
S Haldar, S Bhandary, S Bhattacharjee et al., Functionalization of edge reconstructed graphene nanoribbons by H and Fe: A density functional study, Solid State Communications, 152, 1719 (2012) [link]
S Haldar, DG Kanhere & B Sanyal, Magnetic impurities in graphane with dehydrogenated channels, Physical Review B, 85, 155426 (2012) [link]
SA Blundell, S Haldar & DG Kanhere, Metallic clusters on a model surface: Quantum versus geometric effects, Physical Review B, 84, 075430 (2011) [link]
P Chandrachud, BS Pujari, S Haldar, B Sanyal & DG Kanhere, A systematic study of electronic structure from Graphene to Graphane, Journal of Physics: Condensed Matter, 22, 465502 (2010) [link]
Book Chapters
S Haldar & B Sanyal, Defects in Graphene and its derivatives In: Recent Advances in Graphene Research, PK Nayak ed. InTech (2016) [link]
S Haldar, S Bhandary, P Chandrachud et al., Ab InitioStudies on the Hydrogenation at theEdges and Bulk of Graphene, GraphITA 2011: Selected papers from the Workshop on Fundamentals and Applications ofGraphene, L. Ottaviano, V Morandi ed. Springer Berlin Heidelberg, 203-208 (2012) [link]