| Order–disorder transition and weak ferromagnetism in the perovskite metal formate frameworks of [(CH3) 2NH2][M (HCOO) 3] and [(CH3) 2ND2][M (HCOO) 3](M= Ni, Mn) M Mączka, A Gagor, B Macalik, A Pikul, M Ptak, J Hanuza Inorganic Chemistry 53 (1), 457-467, 2014 | 192 | 2014 |
| Methylhydrazinium lead bromide: noncentrosymmetric three-dimensional perovskite with exceptionally large framework distortion and green photoluminescence M Ma̧czka, M Ptak, A Ga̧gor, D Stefańska, JK Zarȩba, A Sieradzki Chemistry of Materials 32 (4), 1667-1673, 2020 | 149 | 2020 |
| Phase transitions and coexistence of magnetic and electric orders in the methylhydrazinium metal formate frameworks M Mączka, A Gagor, M Ptak, W Paraguassu, TA da Silva, A Sieradzki, ... Chemistry of Materials 29 (5), 2264-2275, 2017 | 145 | 2017 |
| Infrared and Raman studies of phase transitions in metal–organic frameworks of [(CH3) 2NH2][M (HCOO) 3] with M= Zn, Fe M M±czka, M Ptak, L Macalik Vibrational Spectroscopy 71, 98-104, 2014 | 110 | 2014 |
| [Methylhydrazinium]2PbBr4, a Ferroelectric Hybrid Organic–Inorganic Perovskite with Multiple Nonlinear Optical Outputs M Mączka, JK Zareba, A Gagor, D Stefańska, M Ptak, K Roleder, ... Chemistry of Materials 33 (7), 2331-2342, 2021 | 109 | 2021 |
| Experimental and theoretical studies of structural phase transition in a novel polar perovskite-like [C 2 H 5 NH 3][Na 0.5 Fe 0.5 (HCOO) 3] formate M Ptak, M M±czka, A G±gor, A Sieradzki, A Stroppa, D Di Sante, ... Dalton transactions 45 (6), 2574-2583, 2016 | 108 | 2016 |
| Temperature-dependent XRD, IR, magnetic, SEM and TEM studies of Jahn–Teller distorted NiCr2O4 powders M Ptak, M Maczka, A G±gor, A Pikul, L Macalik, J Hanuza Journal of Solid State Chemistry 201, 270-279, 2013 | 90 | 2013 |
| Layered Lead Iodide of [Methylhydrazinium]2PbI4 with a Reduced Band Gap: Thermochromic Luminescence and Switchable Dielectric Properties Triggered by … M Mączka, M Ptak, A Gągor, D Stefańska, A Sieradzki Chemistry of Materials 31 (20), 8563-8575, 2019 | 81 | 2019 |
| Synthesis, phonon and optical properties of nanosized CoCr2O4 M M±czka, M Ptak, M Kurnatowska, J Hanuza Materials Chemistry and Physics 138 (2-3), 682-688, 2013 | 70 | 2013 |
| Structural alteration of collagen fibres–spectroscopic and mechanical studies M G±sior-Głogowska, M Komorowska, J Hanuza, M Ptak, M Kobielarz strain 12, 55-62, 2010 | 70 | 2010 |
| FT-Raman spectroscopic study of human skin subjected to uniaxial stress M G±sior-Głogowska, M Komorowska, J Hanuza, M M±czka, A Zaj±c, ... Journal of the mechanical behavior of biomedical materials 18, 240-252, 2013 | 57 | 2013 |
| Effect of solvent, temperature and pressure on the stability of chiral and perovskite metal formate frameworks of [NH 2 NH 3][M (HCOO) 3](M= Mn, Fe, Zn) M M±czka, K Pasińska, M Ptak, W Paraguassu, TA da Silva, A Sieradzki, ... Physical Chemistry Chemical Physics 18 (46), 31653-31663, 2016 | 56 | 2016 |
| Temperature-dependent studies of [(CH 3) 2 NH 2][Fe III M II (HCOO) 6] frameworks (M II= Fe and Mg): structural, magnetic, dielectric and phonon properties A Ciupa, M M±czka, A G±gor, A Sieradzki, J Trzmiel, A Pikul, M Ptak Dalton Transactions 44 (19), 8846-8854, 2015 | 56 | 2015 |
| Structural, magnetic and dielectric properties of two novel mixed-valence iron (II)–iron (III) metal formate frameworks M M±czka, A Ciupa, A G±gor, A Sieradzki, A Pikul, M Ptak Journal of Materials Chemistry C 4 (6), 1186-1193, 2016 | 54 | 2016 |
| High-temperature thermal and X-ray diffraction studies, and room-temperature spectroscopic investigation of some inorganic pigments AV Knyazev, M M±czka, EN Bulanov, M Ptak, SS Belopolskaya Dyes and Pigments 91 (3), 286-293, 2011 | 52 | 2011 |
| Lattice dynamics and temperature-dependent Raman and infrared studies of multiferroic Mn 0.85 Co 0.15 WO 4 and Mn 0.97 Fe 0.03 WO 4 crystals M Maczka, M Ptak, K Hermanowicz, A Majchrowski, A Pikul, J Hanuza Physical Review B 83 (17), 174439, 2011 | 52 | 2011 |
| Synthesis and characterization of novel niccolites [(CH 3) 2 NH 2][Fe III M II (HCOO) 6](M II= Zn, Ni, Cu) A Ciupa, M M±czka, A G±gor, A Pikul, M Ptak Dalton Transactions 44 (29), 13234-13241, 2015 | 48 | 2015 |
| A new approach in the synthesis of La 1− x Gd x FeO 3 perovskite nanoparticles–structural and magnetic characterization RJ Wiglusz, K Kordek, M Małecka, A Ciupa, M Ptak, R Pazik, P Pohl, ... Dalton Transactions 44 (46), 20067-20074, 2015 | 47 | 2015 |
| Raman and IR Studies of Pressure- and Temperature-Induced Phase Transitions in [(CH2)3NH2][Zn(HCOO)3] M Mączka, TA da Silva, W Paraguassu, M Ptak, K Hermanowicz Inorganic Chemistry 53 (23), 12650-12657, 2014 | 47 | 2014 |
| Polarized IR and Raman spectra of Ca2MgSi2O7, Ca2ZnSi2O7 and Sr2MgSi2O7 single crystals: Temperature-dependent studies of commensurate to incommensurate and incommensurate to … J Hanuza, M Ptak, M M±czka, K Hermanowicz, J Lorenc, AA Kaminskii Journal of Solid State Chemistry 191, 90-101, 2012 | 46 | 2012 |
Bulanov EvgenyLobachevsky State University of Nizhny NovgorodVerified email at chem.unn.ru
