SL2.3 Selected publications

2024

(Ga,Mn)N-Epitaxial growth, structural, and magnetic characterization-Tutorial - Edyta Piskorska-Hommel, Katarzyna Gas, J. Appl. Phys., 135, 071101 (2024)

2023

Valence Band Dispersion in Bi-Doped (Ga,Mn)As Epitaxial Layers - N. Tataryn, L. Gluba, O. Yastrubchak, J. Sadowski, T. Andrearczyk, S. Mamykin, M. Sawicki, T. Wosinski, IEEE Trans. Magn., 59, 4100405 (2023)

Influence of Bi doping on the electronic structure of (Ga,Mn)As epitaxial layers - O. Yastrubchak, N. Tataryn, L. Gluba, S. Mamykin, J. Sadowski, T. Andrearczyk, J.Z. Domagala, O. Kondratenko, V. Romanyuk, O. Fedchenko, Y. Lytvynenko, O. Tkach, D. Vasilyev, S. Babenkov, K. Medjanik, K. Gas, M. Sawicki, T. Wosinski, G. Schönhense, H.J. Elmers, Scientific Reports, 13, 17278 (2023)

Probing Confined Vortices with a Superconducting Nanobridge - M. Foltyn, K. Norowski, M.J. Wyszyński, A.S. de Arruda, M.V. Milošević, M. Zgirski, Phys. Rev. Applied, 19, 044073 (2023)

A Spin orbital reorientation transitions induced by magnetic field - Dariusz Sztenkiel, J. Magn. Magn. Mater., 572, 170644 (2023)

2022

A Simplified Method of the Assessment of Magnetic Anisotropy of Commonly Used Sapphire Substrates in SQUID Magnetometers - K. Gas, M. Sawicki, Materials, 15, 8532 (2022)

Pseudogap in underdoped cuprate seen in longitudinal magnetoresistance - A. Malinowski, V. L. Bezussy, P.Nowicki, J. Phys.: Condens. Matter, 34, 415602 (2022)

Comparative study of magnetic properties of Mn3+ magnetic clusters in GaN using classical and quantum mechanical approach - Y. K. Edathumkandy, D. Sztenkiel, J. Magn. Magn. Mater., 562, 169738 (2022)

Bulk-like magnetic properties in MBE-grown unstrained, antiferromagnetic CuMnSb - L. Scheffler, J. Werther, K. Gas, C. Schumacher, C. Gould, M. Sawicki, J. Kleinlein, L. W. Molenkamp, Appl. Phys. Lett., 121, 012401 (2022)

Antitumor Activity and Physicochemical Properties of New Thiosemicarbazide Derivative and Its Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) Complexes - B. Rogalewicz, A. Climova, E. Pivovarova, J. Sukiennik, K. Czarnecka, P. Szymański, M. Szczesio, K. Gas, M. Sawicki, M. Pitucha, A. Czylkowska, Molecules, 27, 2703 (2022)

Electrical switching of antiferromagnetic CoO | Pt across the Neel temperature - M.J. Grzybowski, C.F. Schippers, M.E. Bal, K. Rubi, U. Zeitler, M. Foltyn, B. Koopmans, and H.J.M Swagten, Appl. Phys. Lett., 120, 122405 (2022)

In Situ Compensation Method for Precise Integral SQUID Magnetometry of Miniscule Biological, Chemical, and Powder Specimens Requiring the Use of Capsules - K. Gas, M. Sawicki, Materials, 15, 495 (2022)

2021

Oxidation of MBE-Grown ZnTe and ZnTe/Zn Nanowires and Their Structural Properties - K. Gas, s. Kret, W. Zaleszczyk, E. Kaminska, M. Sawicki, T. Wojtowicz, W. Szuszkiewicz, Materials, 14, 5252 (2021)

Magnetic Constitution of Topologically Trivial Thermoelectric PbTe:Cr - K. Gas, A. Krolicka, K. Dybko, P. Nowicki, Z. Khosravizadeh, T. Story, M. Sawicki, J. Magn. Magn. Mater., 537, 168154 (2021)

Structural, Spectroscopic, Thermal, and Magnetic Properties of a New Dinuclear Copper Coordination Compound with Tiglic Acid - M. Świątkowski, S. Lanka, A. Czylkowska, K. Gas, M. Sawicki, Materials, 14, 2148 (2021)

Magnetic properties of wurtzite (Ga,Mn)As - K. Gas, J. Sadowski, M. Sawicki, J. Magn. Magn. Mater., 533, 168012 (2021)

Improved-sensitivity integral SQUID magnetometry of (Ga,Mn)N thin films in proximity to Mg-doped GaN - K. Gas, G. Kunert, P. Dluzewski, R. Jakiela, D. Hommel, M. Sawicki, J. Alloys. Compd., 868, 159119 (2021)

Unravelling the local crystallographic structure of ferromagnetic γ'-Ga_yFe_4-yN nanocrystals embedded in GaN - A. Navarro-Quezada, K. Gas, A. Spindlberger, F. Karimi, M. Sawicki, G. Ciatto, A. Bonanni, Scientific Reports, 11, 2862 (2021)

Site-specific atomic order and band structure tailoring in the diluted magnetic semiconductor (In,Ga,Mn)As - K. Medjanik, O. Fedchenko, O. Yastrubchak, J. Sadowski, M. Sawicki, L. Gluba, D. Vasilyev, S. Babenkov, S. Chernov, A. Winkelmann, H. J. Elmers, and G. Schönhense, Phys. Rev. B, 103, 075107 (2021)

Anomalous Hall effect in bismuth - B. C. Camargo, P. Gierłowski, A. Alaferdov, I. N. Demchenko, M. Sawicki, K. Gas, Y. Kopelevich, J. Magn. Magn. Mater., 525, 167581 (2021)

2020

Crystal field model simulations of magnetic response of pairs, triplets and quartets of Mn³⁺ ions in GaN - D. Sztenkiel, K. Gas, J.Z. Domagala, D. Hommel, M. Sawicki, New J. Phys., 22, 123016 (2020)

Molecular beam epitaxy of the half-Heusler antiferromagnet CuMnSb - L. Scheffler, K. Gas, S. Banik, M. Kamp, J. Knobel, H. Lin, C. Schumacher, C. Gould, M. Sawicki, J. Kleinlein, and L. W. Molenkamp, Phys. Rev. Materials, 4, 114402 (2020)

Heat Hunting in a Freezer: Direct Measurement of Quasiparticle Diffusion in Superconducting Nanowire - M. Zgirski, M. Foltyn, A. Savin, A. Naumov, and K. Norowski, Phys. Rev. Applied, 14, 044024 (2020)

Out-of-Plane Magnetic Anisotropy in Ordered Ensembles of FeyN Nanocrystals Embedded in GaN - A. Navarro-Quezada, K. Gas, T. Truglas, V. Bauernfeind, M. Matzer, D. Kreil, A. Ney, H. Groiss, M. Sawicki, Alberta Bonanni, Materials, 13, 3294 (2020)

Effect of rapid thermal annealing on damage of silicon matrix implanted by low-energy rhenium ions - I.N. Demchenko, Y. Melikhov, M.S. Walczak, R. Ratajczak, K. Sobczak, A. Barcz, R. Minikayev, E. Dynowska, J.Z. Domagała, M. Chernyshova, Y. Syryanyy, N.V. Gavrilov, M. Sawicki, J. Alloys. Compd., 846, 156433 (2020)

Spin flop and crystalline anisotropic magnetoresistance in CuMnAs - M. Wang, C. Andrews, S. Reimers, O. J. Amin, P. Wadley, R. P. Campion, S. F. Poole, J. Felton, K. W. Edmonds, B. L. Gallagher, A. W. Rushforth, O. Makarovsky, K. Gas, M. Sawicki, D. Kriegner, J. Zubáč, K. Olejník, V. Novák, T. Jungwirth, M. Shahrokhvand, U. Zeitler, S. S. Dhesi, and F. Maccherozzi, Phys. Rev. B, 101, 094429 (2020)

Hydrostatic pressure influence on T_C in (Ga,Mn)As - M. Gryglas-Borysiewicz, A. Kwiatkowski, P. Juszyński, Z. Ogorzałek, K. Puźniak, M. Tokarczyk, G. Kowalski, M. Baj, D Wasik, N. Gonzalez Szwacki, J. Przybytek, J. Sadowski, M. Sawicki, P. Dziawa, J. Z. Domagala, Phys. Rev. B, 101, 054413 (2020)

Anisotropic and magnetic properties in non-metal and non-radical organic aggregates of tri-substituted phenyl derivatives - Nur Amanina Juniasari Tun Nur Iskandar, Y. Guan-Yeow, N. Maeta, Masato M. Ito, Y. Nakamura, K. Gas, M. Sawicki, New J. Chem., 44, 210 (2020)

Raman scattering studies of the lateral Mn distribution in MBE-grown Ga_1-xMn_xN epilayers - K. Gas, D. Hommel, M. Sawicki, J. Alloys Compd., 817, 152789 (2020)

2019

Gating effects in antiferromagnetic CuMnAs - M. J. Grzybowski, P. Wadley, K. W. Edmonds, R. P. Campion, K. Dybko, M. Majewicz, B. L. Gallagher, M. Sawicki, T. Dietl, AIP Advances, 9, 115101 (2019)

Enhanced Ferromagnetism in Cylindrically Confined MnAs Nanocrystals Embedded in Wurtzite GaAs Nanowire Shells - A. Kaleta, S. Kret, K. Gas, B. Kurowska, S. B. Kryvyi, B. Rutkowski, N. Gonzalez Szwacki, M. Sawicki, J. Sadowski, Nano Letters, 19, 7324 (2019)

In situ compensation method for high-precision and high-sensitivity integral magnetometry - Katarzyna Gas & Maciej Sawicki, Meas. Sci. Technol., 30, 085003 (2019)

Electrical characteristics of vertical-geometry Schottky junction to magnetic insulator (Ga,Mn)N heteroepitaxially grown on sapphire - K. Kalbarczyk, K. Dybko, K. Gas, D. Sztenkiel, M. Foltyn, M. Majewicz, P. Nowicki, E. Łusakowska, D. Hommel, M. Sawicki, J. Alloy. Compd., 804, 415 (2019)

Electronic Transport and Magnetic Properties of Co/SiO2 Magnetic Nanocomposites - M. Radchenko, G. Lashkarev, O. Baibara, M. Bugaiova, Y. Stelmakh, L. Krushynska, M. Foltyn, W. Knoff, T. Story, N. Nedelko, A. Ślawska-Waniewska, phys. stat. sol. (b), 1900145 (2019)

Experimental search for the origin of low-energy modes in topological materials - G. P. Mazur, K. Dybko, A. Szczerbakow, J. Z. Domagala, A. Kazakov, M. Zgirski, E. Lusakowska, S. Kret, J. Korczak, T. Story, M. Sawicki, and T. Dietl, Phys. Rev. B 100 041408(R) (2019)

Conductance resonances and crossing of the edge channels in the quantum Hall ferromagnetic state of Cd(Mn)Te microstructures - E. Bobko, D. Płoch, D. Śnieżek, M. Majewicz, M. Foltyn, T. Wojciechowski, S. Chusnutdinow, T. Wojtowicz, and J. Wróbel, Phys. Rev. B 99, 195446 (2019)

Flipping-Coin Experiment to Study Switching in Josephson Junctions and Superconducting Wires - M. Zgirski, M. Foltyn, A. Savin, and K. Norowski, Phys. Rev. Applied 11, 054070 (2019)

Superconductivity in single-crystalline aluminum- and gallium-hyperdoped germanium - S. Prucnal, V. Heera, R. Hübner, Mao Wang, G. P. Mazur, M. J. Grzybowski, Xin Qin, Ye Yuan, M. Voelskow, W. Skorupa, L. Rebohle, M. Helm, M. Sawicki, and S. Zhou, Phys. Rev. Mater. 3, 054802 (2019)

Diffusion of Mn in gallium nitride: Experiment and modelling - R. Jakiela, K. Gas, M. Sawicki, A. Barcz, Journal of Alloys and Compounds 771, 215 (2019)

Magnetotransport in phase-separated (Ga,Fe)N with γ’-Ga_yFe_4-yN nanocrystals - A. Navarro-Quezada, M. Aiglinger, B. Faina, K. Gas, M. Matzer, Tian Li, R. Adhikari, M. Sawicki, and A. Bonanni, Phys. Rev. B 99, 085201 (2019)

Nontrivial Phenomena in Magnetic Nanocomposites Co/Al₂O₃ and Co/SiO₂ - G. V. Lashkarev, M. V. Radchenko, A. E. Baibara, M. E. Bugaiova, L. I. Petrosian, Y. Dumond, T. Story, W. Knoff, N. Nedelko, A. Ślawska-Waniewska, M. Foltyn, Y. A. Stelmakh, and L. A. Krushynskaya, Low Temp. Phys. 45, 228 (2019)

2018

Galvanomagnetic methods of Curie temperature determination in (Ga,Mn)As - A. Kwiatkowski, M. Gryglas-Borysiewicz, P. Juszyński. J. Przybytek, M. Sawicki, J. Sadowski, D. Wasik, M. Baj, J. Mag. Mag. Mater. 467, 120-128 (2018)

Impact of substrate temperature on magnetic properties of plasma-assisted molecular beam epitaxy grown (Ga,Mn)N - K. Gas, J. Z. Domagala, R. Jakiela, G. Kunert, P. Dluzewski, E. Piskorska-Hommel, W. Paszkowicz, D. Sztenkiel, M. J. Winiarski, D. Kowalska, R. Szukiewicz, T. Baraniecki, A. Miszczuk, D. Hommel, and M. Sawicki, J. Alloys Compd. 747, 946 (2018)

Nematicity of correlated systems driven by anisotropic chemical phase separation - Ye Yuan, R. Hübner, M. Birowska, Chi Xu, Mao Wang, S. Prucnal, R. Jakiela, K. Potzger, R. Böttger, S. Facsko, J. A. Majewski, M. Helm, M. Sawicki, S. Zhou, and T. Dietl, Phys. Rev. Mater. 2, 114601 (2018)

Cubic anisotropy in (Ga,Mn)As layers: Experiment and theory - M. Sawicki, O. Proselkov, C. Sliwa, P. Aleshkevych, J. Z. Domagala, J. Sadowski, and T. Dietl, Phys. Rev. B 97, 184403 (2018)

Nanosecond Thermometry with Josephson Junctions - M. Zgirski, M. Foltyn, A. Savin, K. Norowski, M. Meschke, and J. Pekola, Phys. Rev. Applied 10, 044068 (2018)

Current polarity-dependent manipulation of antiferromagnetic domains - P. Wadley, S. Reimers, M. J. Grzybowski, C. Andrews, Mu Wang, J. S. Chauhan, B. L. Gallagher, R. P. Campion, K. W. Edmonds, S. S. Dhesi, F. Maccherozzi, V. Novak, J. Wunderlich and T. Jungwirth, Nature Nanotech. 13, 362 (2018)

Band structure evolution and the origin of magnetism in (Ga,Mn)As: From paramagnetic through superparamagnetic to ferromagnetic phase - L. Gluba, O. Yastrubchak, J. Z. Domagala, R. Jakiela, T. Andrearczyk, J. Żuk, T. Wosinski, J. Sadowski, and M. Sawicki, Phys. Rev. B 97, 115201 (2018)

Electronic phase separation in insulating (Ga, Mn) As with low compensation: super-paramagnetism and hopping conduction - Ye Yuan, Mao Wang, Chi Xu, R. Hübner, R. Böttger, R. Jakiela, M. Helm, M. Sawicki, and Shengqiang Zhou, J. Phys.: Condens. Matter 30, 095801 (2018)

2017

Interplay between localization and magnetism in (Ga,Mn)As and (In,Mn)As - Ye Yuan, Chi Xu, René Hübner, Rafal Jakiela, Roman Böttger, Manfred Helm, Maciej Sawicki, Tomasz Dietl, and Shengqiang Zhou, Phys. Rev. Mat. 1, 054401 (2017)

Giant Thermoelectric Power in Co/Al₂O₃ Ferromagnetic Nanocomposites Below Percolation Threshold - G. Lashkarev, M. Radchenko, M. Bugaiova, O. Baibara, A. Dmitriev, W. Knoff, T. Story, M. Foltyn, L. Krushynskaya, Y. Stelmakh, Physica Status Solidi (b) 254, 1700153 (2017)

Impact of organic capping layer on the magnetic anisotropy of ultrathin Co films - L. Gladczuk, K. Lasek, R. Puzniak, M. Sawicki, P. Aleshkevych, W. Paszkowicz, R. Minikayev, I. N. Demchenko, Y. Syryanyy, and P. Przyslupski, J. Phys. D: Appl.Phys. 50, 485002 (2017)

MgO thickness-induced spin reorientation transition in Co_0.9Fe_0.1/MgO/Co_0.9Fe_0.1 structure - K. Lasek, L. Gladczuk, M. Sawicki, P. Aleshkevych, P. Przyslupski, J. Magn. Magn. Mater. 444, 326 (2017)

Magnetotransport investigations of (Ga,Mn)As/GaAs Esaki diodes under hydrostatic pressure - M. Gryglas-Borysiewicz, A. Kwiatkowski, A. Lemaître, J. Przybytek, K. Budzik, Ł. Balcerzak, M. Sawicki, D. Wasik, Appl. Surf. Sci. 369, 1875 (2017)

Majorana-like excitations in a ferromagnetic topological crystalline insulator - G.P. Mazur, K. Dybko, A. Szczerbakow, M. Zgirski, E. Lusakowska, S. Kret, J. Korczak, T. Story, M. Sawicki, T. Dietl, submitted, cond-mat: arXiv:1709.04000

Hydrostatic-pressure-induced changes of magnetic anisotropy in (Ga, Mn)As thin films - M. Gryglas-Borysiewicz, P. Juszyński, A. Kwiatkowski, J. Przybytek, J. Sadowski, M. Sawicki, M. Tokarczyk, G. Kowalski, T. Dietl and D. Wasik, J. Phys.: Condens. Matter. 29, 115805 (2017)

Wurtzite (Ga,Mn)As nanowire shells with ferromagnetic properties - J. Sadowski, S. Kret, A. Šiušys, T. Wojciechowski, K. Gas, M. F. Islam, C. M. Canali, M. Sawicki, Nanoscale 9, 2129 (2017)

Fermi level and bands offsets determination in insulating (Ga,Mn)N/GaN structures - L. Janicki, G. Kunert, M. Sawicki, E. Piskorska-Hommel, K. Gas, R. Jakiela, D. Hommel, and R. Kudrawiec, Scientific Reports 7, 41877 (2017)

Imaging Current-Induced Switching of Antiferromagnetic Domains in CuMnAs - M. J. Grzybowski, P. Wadley, K. W. Edmonds, R. Beardsley, V. Hills, R. P. Campion, B. L. Gallagher, J. S. Chauhan, Phys. Rev. Lett. 118, 057701 (2017)

Saturation of resistivity and Kohler's rule in Ni-doped La_1.85Sr_0.15CuO₄ cuprate - A. Malinowski, V. L. Bezusyy, and P. Nowicki, Phys. Rev. B 95, 014521 (2017)

2016

Stretching magnetism with an electric field in a nitride semiconductor - D. Sztenkiel, M. Foltyn, G. P. Mazur, R. Adhikari, K. Kosiel, K. Gas, M. Zgirski, R. Kruszka, R. Jakiela, Tian Li, A. Piotrowska, A. Bonanni, M. Sawicki & T. Dietl, Nat. Commun. 7, 13232 (2016)

Determining Curie temperature of (Ga,Mn)As samples based on electrical transport measurements: Low Curie temperature case - A. Kwiatkowski, M. Gryglas-Borysiewicz, P. Juszyński, J. Przybytek, M. Sawicki, J. Sadowski, D. Wasik, M. Baj, Appl. Phys. Lett. 108, 242103 (2016)

Yttrium Iron Garnet Thin Films with Very Low Damping Obtained by Recrystallization of Amorphous Material - C. Hauser, T. Richter, N. Homonnay, C. Eisenschmidt, M. Qaid, H. Deniz, D. Hesse, M. Sawicki, S. G. Ebbinghaus, G. Schmidt, Scientific Reports 6, 20827 (2016)

Ferromagnetic Mn-Implanted GaP: Microstructures vs Magnetic Properties - Y. Yuan, R. Hübner, F. Liu, M. Sawicki, O. Gordan, G. Salvan, D. R. T. Zahn, D. Banerjee, C. Baehtz, M. Helm, S. Zhou, ACS Appl. Mater. Interfaces 8, 3912 (2016)

Electrical switching of an antiferromagnet - P. Wadley, B. Howells, J. Żelezny, C. Andrews, V. Hills, R. P. Campion, V. Novák, K. Olejnik, F. Maccherozzi, S. S. Dhesi, S. Y. Martin, T. Wagner, J. Wunderlich, F. Freimuth, Y. Mokrousov, J. Kuneš, J. S. Chauhan, M. J. Grzybowski, A. W. Rushforth, K. W. Edmonds, B. L. Gallagher, T. Jungwirth, Science 351, 587 (2016)

2015

Effect of magnetic field on intraionic photoluminescence of (Zn,Co)Se - M.J. Grzybowski, A. Golnik, M. Sawicki, W. Pacuski, Solid State Commun. 208, 7 (2015)

Magnetic and magnetotransport characterization of La_0.7Sr_0.3MnO₃/YBCO/La_0.7Sr_0.3MnO₃/YBCO spin valve - K. Dybko, P. Aleshkevych, M. Sawicki, P. Przyslupski, J. Mag. Mag. Mater. 373, 48 (2015)

Upper bound for the s-d exchange integral in n-(Ga,Mn)N:Si from magnetotransport studies - R. Adhikari, W. Stefanowicz, B. Faina, G. Capuzzo, M. Sawicki, T. Dietl, and A. Bonanni, Phys. Rev. B 91, 205204 (2015)

2014

Experimental determination of Rashba spin-orbit coupling in wurtzite n-GaN:Si - W. Stefanowicz, R. Adhikari, T. Andrearczyk, B. Faina, M. Sawicki, J. A. Majewski, T. Dietl, and A. Bonanni, Phys. Rev. B 89, 205201 (2014)

All-Wurtzite (In,Ga)As-(Ga,Mn)As Core Shell Nanowires Grown by Molecular Beam Epitaxy - A. Siusys, J. Sadowski, M. Sawicki, S. Kret, T. Wojciechowski, K. Gas, W. Szuszkiewicz, A. Kaminska, T. Story, Nano Lett. 14, 4263 (2014)

2013

Relation between exciton splittings, magnetic circular dichroism, and magnetization in wurtzite Ga_1-xFe_xN - J.-G. Rousset, J. Papierska, W. Pacuski, A. Golnik, M. Nawrocki, W . Stefanowicz, S. Stefanowicz, M. Sawicki, R. Jakieła, T. Dietl, A. Navarro-Quezada, B. Faina, T. Li, A. Bonanni, and J. Suffczyński, Phys. Rev. B 88, 115208 (2013)

Phase diagram and critical behavior of the random ferromagnet Ga_1-xMn_xN - S. Stefanowicz, G. Kunert, C. Simserides, J. A. Majewski, W . Stefanowicz, C. Kruse, S. Figge, Tian Li, R. Jakieła, K. N. Trohidou, A. Bonanni, D. Hommel, M. Sawicki, and T. Dietl, Phys. Rev. B 88, 081201 (2013)

Homogeneous and heterogeneous magnetism in (Zn,Co)O: From a random antiferromagnet to a dipolar superferromagnet by changing the growth temperature - M. Sawicki, E. Guziewicz, M. I. Łukasiewicz, O. Proselkov, I. A. Kowalik, W. Lisowski, P. Dłużewski, A. Wittlin, M. Jaworski, A. Wolska, W. Paszkowicz, R. Jakieła, B. S. Witkowski, Ł. Wachnicki, M. T. Klepka, F. J. Luque, D. Arvanitis, J. W. Sobczak, M. Krawczyk, A. Jablonski, W. Stefanowicz, D. Sztenkiel, M. Godlewski, and T. Dietl, Phys. Rev. B 88, 085204 (2013)

The onset of ferromagnetism and superconductivity in [La_0.7Sr_0.3MnO₃(n u.c.)/YBa₂Cu₃O₇(2 u.c.)]₂₀ superlattices - K. Dybko, P. Aleshkevych M. Sawicki, W. Paszkowicz and P. Przyslupski, J. Phys.: Condens. Matter. 25, 376001 (2013)

2012

Manipulating Mn-Mg_k cation complexes to control the charge- and spin-state of Mn in GaN - T. Devillers, M. Rovezzi, N. Gonzalez Szwacki, S. Dobkowska, W. Stefanowicz, D. Sztenkiel, A. Grois, J. Suffczyński, A. Navarro-Quezada, B. Faina, T. Li, P. Glatzel, F. d'Acapito, R. Jakieła, M. Sawicki, J. A. Majewski, T. Dietl, A. Bonanni, Sci. Rep. 2, 722 (2012)

Ga_1-xMn_xN epitaxial films with high magnetization - G. Kunert, S. Dobkowska, T. Li, H. Reuther, C. Kruse, S. Figge, R. Jakieła, A. Bonanni, J. Grenzer, W. Stefanowicz, J. von Borany, M. Sawicki, T. Dietl, D. Hommel, Appl. Phys. Lett. 101, 022413 (2012)

Thickness dependent magnetic properties of (Ga,Mn)As ultrathin films - O. Proselkov, D. Sztenkiel, W. Stefanowicz, M. Aleszkiewicz, J. Sadowski, T. Dietl, M. Sawicki, Appl. Phys. Lett. 100, 262405 (2012)

Magnetic Fe doped ZnO nanofibers obtained by electrospinning - A. Baranowska-Korczyc, A. Reszka, K. Sobczak, B. Sikora, P. Dziawa, M. Aleszkiewicz, Ł. Kłopotowski, W. Paszkowicz, P. Dłużewski, B. J. Kowalski, T. A. Kowalewski, M. Sawicki, D. Elbaum, and K. Fronc, Appl. Phys. Lett. 100, 262405 (2012)

Origin of low-temperature magnetic ordering in Ga_1-xMn_xN - M. Sawicki, T. Devillers, S. Gałęski, C. Simserides, S. Dobkowska, B. Faina, A. Grois, A. Navarro-Quezada, K. N. Trohidou, J. A. Majewski, T. Dietl, A. Bonanni, Phys. Rev. B 85, 205204 (2012)

2011

Fe-Mg interplay and the effect of deposition mode in (Ga,Fe)N doped with Mg - A. Navarro-Quezada, N. Gonzalez Szwacki, W. Stefanowicz, Tian Li, A. Grois, T. Devillers, M. Rovezzi, R. Jakieła, B. Faina, J. A. Majewski, M. Sawicki, T. Dietl, A. Bonanni, Phys. Rev. B 84, 155321 (2011)

Spin-glass behavior in Ni-doped La_1.85Sr_0.15CuO₄ - A. Malinowski, V. L. Bezussy, R. Minikayev, P. Dziawa, Y. Syryanyy, M. Sawicki, Phys. Rev. B 84, 024409 (2011)

Sensitive SQUID magnetometry for studying nanomagnetism , M. Sawicki, W. Stefanowicz, A. Ney, Semicond. Sci. Technol. 26, 064006 (2011)

Experimental probing of exchange interactions between localized spins in the dilute magnetic insulator (Ga,Mn)N - A. Bonanni, M. Sawicki, T. Devillers, W. Stefanowicz, B. Faina, Tian Li, T. E. Winkler, D. Sztenkiel, A. Navarro-Quezada, M. Rovezzi, R. Jakieła, A. Grois, M. Wegscheider, W. Jantsch, J. Suffczyński, F. D’Acapito, A. Meingast, G. Kothleitner, and T. Dietl, Phys. Rev. B 84, 035206 (2011)

Electronic Properties of Thin HfO2 Films Fabricated by Atomic Layer Deposition on 4H-SiC - A. Taube, S. Gierałtowska, T. Gutt, T. Małachowski, I. Pasternak, T. Wojciechowski, W. Rzodkiewicz, M. Sawicki and, A. Piotrowska, Acta Phys. Polon. A 119, 696 (2011)

Properties and Characterization of ALD Grown Dielectric Oxides for MIS Structures - S. Gierałtowska, D. Sztenkiel, E. Guziewicz, M. Godlewski, G. Łuka, B.S. Witkowski, Ł. Wachnicki, E. Łusakowska, T. Dietl, and M. Sawicki, Acta Phys. Polon. A 119, 692 (2011)

2010

Structural and paramagnetic properties of dilute Ga_1-xMn_xN - W. Stefanowicz, D. Sztenkiel, B. Faina, A. Grois, M. Rovezzi, T. Devillers, F. d’Acapito, A. Navarro-Quezada, Tian Li, R. Jakieła, M. Sawicki, T. Dietl, A. Bonanni, Phys. Rev. B 81, 235210 (2010)

Embedded magnetic phases in (Ga,Fe)N: Key role of growth temperature - A. Navarro-Quezada, W. Stefanowicz, Tian Li, B. Faina, M. Rovezzi, R. T. Lechner, T. Devillers, F. d’Acapito, G. Bauer, M. Sawicki, T. Dietl, and A. Bonanni, Phys. Rev. B 81, 205206 (2010)

Experimental probing of the interplay between ferromagnetism and localization in (Ga, Mn)As - M. Sawicki, D. Chiba, A. Korbecka, Y. Nishitani, J.A. Majewski, F. Matsukura, T. Dietl, and H. Ohno, Nature Phys. 6, 22 (2010)

Magnetic anisotropy of epitaxial (Ga,Mn)As on (113)A GaAs - W. Stefanowicz, C. Sliwa, P. Aleshkevych, T. Dietl, M. Doppe, U. Wurstbauer. W. Wegscheider, D. Weiss, M. Sawicki, Phys. Rev. B 81, 155203 (2010)

Curie temperature versus hole concentration in field-effect structures of Ga_1-xMn_xAs - Y. Nishitani, D. Chiba, M. Endo, M. Sawicki, F. Matsukura, T. Dietl and H. Ohno, Phys. Rev. B 81, 045208 (2010)

2009

Enhacement of the superconducting transition temperature by an external magnetic field parallel to the plane of La_0.7Sr_0.3MnO₃/YBa₂Cu₃O₇/La_0.7Sr_0.3MnO₃ Trilayers - K. Dybko, K. Werner-Malento, M. Sawicki, P. Przyslupski, EPL 85, 57010 (2009)

Possible spin-triplet superconducting phase in the La_0.7Sr_0.3MnO₃/YBa₂Cu₃O₇/La_0.7Sr_0.3MnO₃ trilayer - K. Dybko, K. Werner-Malento, P. Aleshkevych, M. Wojcik, M. Sawicki, and P. Przyslupski, Phys. Rev. B 80, 144504 (2009)

2008

Magnetization vector manipulation by electric fields - D. Chiba, M. Sawicki, Y. Nishitani, Y. Nakatani, F. Matsukura, H. Ohno, Nature 455, 515 (2008)

Fe onto GaN(0 0 0 1) grown in a full MOVPE process - A. Navarro-Quezada, T. Li, C. Simbrunner, M Kiecana, G. Hernandez-Sosa, M. Quast, M. Wegscheider, M. Sawicki, T. Dietl, A. Bonanni, J. Crystal Growth 310, 1772 (2008)

Controlled Aggregation of Magnetic Ions in a Semiconductor: An Experimental Demonstration - A. Bonanni, A. Navarro-Quezada, Tian Li, M. Wegscheider, Z. Matej,V. Holy, R.T. Lechner, G. Bauer, M. Rovezzi, F. D’Acapito, M. Kiecana, M. Sawicki, and T. Dietl, Phys. Rev. Lett. 101, 135502 (2008)

Origin and control of ferromagnetism in dilute magnetic semiconductors and oxides (invited) - T. Dietl, J. Appl. Phys. 103, 07d111 (2008)

Observation of Strong-Coupling Effects in a Diluted Magnetic Semiconductor Ga1-xFexN - W. Pacuski, P. Kossacki, D. Ferrand, A. Golnik, J. Cibert, M. Wegscheider, A. Navarro-Quezada, A. Bonanni, M. Kiecana, M. Sawicki, T. Dietl, Phys. Rev. Lett. 100, 037204 (2008)

2007

Paramagnetic GaN:Fe and ferromagnetic (Ga,Fe)N: The relationship between structural, electronic, and magnetic properties - A. Bonanni, M. Kiecana, C. Simbrunner, Tian Li, M. Sawicki, M. Wegscheider, M. Quast, H. Przybylińska, A. Navarro-Quezada, R. Jakieła, A. Wolos, W. Jantsch, T. Dietl, Phys. Rev. B 75, 125210 (2007)

MnAs dots grown on GaN(000-1)-(1x1) surface - A. Kowalik, B. J. Kowalski, R. J. Iwanowski, K. Kopalko, E. Łusakowska, M. Sawicki, J. Sadowski, M. Adell, I. Grzegory, and S. Porowski, Phys. Rev. B 75, 235303 (2007)

2006

Control of coercivities in (Ga,Mn)As thin films by small concentrations of MnAs nanoclusters - K.-Y. Wang, M. Sawicki, K.W. Edmonds, R.P. Campion, A.W. Rushforth, A.A. Freeman, C.T. Foxon, B.L. Gallagher, and T. Dietl, Appl. Phys. Lett. 88, 022510 (2006)

Magnetic domain structure and magnetization reversal in (311)B Ga0.91Mn0.09As films - A. Pross, S.J. Bending, K.Y. Wang, K.W. Edmonds, R.P. Campion, C.T. Foxon, B.L. Gallagher, M. Sawicki, J. Appl. Phys. 99, 093908 (2006)

Low-temperature magnetization of (Ga,Mn)As semiconductors - T. Jungwirth, J. Masek, K.Y. Wang, K.W. Edmonds, M. Sawicki, M. Polini, J. Sinova, A.H. MacDonald, R.P. Campion, L.X. Zhao, N.R.S. Farley, T.K. Johal, G. van der Laan, C.T. Foxon, and B.L. Gallagher, Phys. Rev. B 73, 165205 (2006)

Control of coercivities in (Ga,Mn)As thin films by small concentrations of MnAs nanoclusters - KY. Wang, M. Sawicki, KW. Edmonds, RP. Campion, AW. Rushforth, AA. Freeman, CT. Foxon, BL. Gallagher, T. Dietl, Appl. Phys. Lett. 88, 022510 (2006)

2005

Spin Reorientation Transition in Single-Domain (Ga,Mn)As - K.-Y. Wang, M. Sawicki, K. W. Edmonds,R. P. Campion,S. Maat,C. T. Foxon,B. L. Gallagher, T. Dietl, Phys. Rev. Lett. 95, 217204 (2005)

In-plane uniaxial anisotropy rotations in (Ga,Mn)As thin films - M. Sawicki, KY. Wang, KW. Edmonds, RP. Campion, CR. Staddon, NRS. Farley, CT. Foxon, E. Papis, E. Kaminska, A. Piotrowska, T. Dietl, BL. Gallagher, Phys. Rev. B 71, 121302 (2005)

2004

Mn Interstitial Diffusion in (Ga, Mn)As - K. W. Edmonds, P. Bogusławski, K. Y. Wang, R. P. Campion, S. N. Novikov, N. R. S. Farley, B. L. Gallagher, C. T. Foxon, M. Sawicki, T. Dietl, M. Buongiorno Nardelli, J. Bernholc, Phys. Rev. Lett. 92, 037201 (2004)

Temperature dependent magnetic anisotropy in (Ga,Mn)As layers - M. Sawicki, F. Matsukura, A. Idziaszek, T. Dietl, GM. Schott, C. Ruester, C. Gould, G. Karczewski, G. Schmidt, LW. Molenkamp, Phys. Rev. B 70, 245325 (2004)

Influence of the Mn interstitial on the magnetic and transport properties of (Ga,Mn)As - K. Y. Wang, K. W. Edmonds, R. P. Campion, B. L. Gallagher, N. R. S. Farley, and C. T. Foxon, M. Sawicki, P. Boguslawski, T. Dietl, J. Appl. Phys. 95, 6512 (2004)

2003 Probing Hole-Induced Ferromagnetic Exchange in Magnetic Semiconductors by Inelastic Neutron Scattering - H. Kepa, LeVan Khoi, C.M. Brown, M. Sawicki, J. K. Furdyna, T.M. Giebultowicz, and T. Dietl, Phys. Rev. Lett. 91, 087205 (2003)

<2003

Influence of s-d Exchange Interaction on Universal Conductance Fluctuations in Cd_1-xMn_xTe: In - Jaroszynski J, Wrobel J, Sawicki M, Kaminska E, Skoskiewicz T, Karczewski G, Wojtowicz T, Piotrowska A, Kossut J, Dietl T, Phys. Rev. Lett. 75, 3170 (1995)

Influence of an Acceptor State on Transport in Zero-gap Hg1-xMnxTe - M. Sawicki, T. Dietl, W. Plesiewicz, P. Sekowski, L. Sniadower, M. Baj, L. Dmowski, Lecture Notes in Physics, Application of High Magnetic Fields in Semiconductor Physics, Proceedings of the International Conference Held in Grenoble, France, September 13-17, 1982, Springer-Verlag, p. 382 (1983)