Publications
M. Szymura, M. Duda, M. Karpińska, T. Kazimierczuk, R. Minikayev, K. Sobczak, M. Parlińska-Wojtan and Ł. Kłopotowski Low-Temperature Photoluminescence Dynamics Reveal the Mechanism of Light Emission by Colloidal CuInS2 Quantum Dots, Journal of Physical Chemistry C, 127, 6768 (2023). (read)
A. Borodziuk, K. Sulowska, Ł. Zinkiewicz, M. Szymura, A. Reszka, A. Bogucki, B. Sikora, S. Maćkowski and Ł. Kłopotowski Interaction with Silver Nanowires Disrupts the Excitation Pathways in Upconverting Nanoparticles, Journal of Physical Chemistry C, 126, 19219 (2022). (read)
M. Karpińska J. Jasiński, R. Kempt J. D. Ziegler, H. Sansom, T. Taniguchi , K. Watanabe, H. J. Snaith, A. Surrente, M. Dyksik, D. K. Maude, Ł. Kłopotowski, A. Chernikov, A. Kuc, M. Baranowski and P. Plochocka, Interlayer excitons in MoSe2/2D perovskite hybrid heterostructures – the interplay between charge and energy transfer, Nanoscale, 14, 8085 (2022). (read)
O. Volnianska, M. Szymura, J. Mikulski, and Ł. Kłopotowski, How Surface Proximity to Copper Dopants Affects Photoluminescence of CdSe Colloidal Quantum Dots, Journal of Physical Chemistry C, 125, 30 (2021). (read)
M.Szymura, A. A.Mitioglu, P.Wojnar, D. K.Maude, P.Płochocka, and Ł. Kłopotowski, Giant enhancement of second harmonic light intensity in waveguiding core/shell ZnTe/ZnMgTe nanowires, Appl. Phys. Lett. 118, 192106 (2021). (read)
M. Karpińska, M. Liang, R. Kempt, K. Finzel, M. Kamminga, M. Dyksik, N. Zhang, C. Knodlseder, D. K. Maude, M. Baranowski, Ł. Kłopotowski, J. Ye, A. Kuc, and P. Plochocka, Nonradiative Energy Transfer and Selective Charge Transfer in a WS2/(PEA)2PbI4 Heterostructure, ACS Appl. Mater. Interfaces 13, 28 (2021). (read)
A. Borodziuk, M. Baranowski, T. Wojciechowski, R. Minikayev, B. Sikora, D. K. Maude, P. Plochocka, Ł. Kłopotowski, Excitation efficiency determines the upconversion luminescence intensity of β-NaYF4: Yb, Er nanoparticles in magnetic fields up to 70 T, Nanoscale 12, 20300 (2020). (read)
A. Borodziuk, P. Kowalik, M. A. Duda, T. Wojciechowski, R. Minikayev, D. Kalinowska, M. Klepka, K. Sobczak, Ł. Kłopotowski, B. Sikora, Unmodified Rose Bengal photosensitizer conjugated with NaYF4: Yb, Er upconverting nanoparticles for efficient photodynamic therapy, Nanotechnology 31, 465101 (2020). (read)
E. Guziewicz, T. A. Krajewski, E. Przeździecka, K. P. Korona, N. Czechowski, Ł. Kłopotowski, P. Terziyska, Zinc Oxide Grown by Atomic Layer Deposition: From Heavily n‐Type to p‐Type Material, physica status solidi (b), 257, 1900472 (2020). (read)
M. Szymura, Ł. Kłopotowski, P. Wojnar, P. Baranowski, K. Fronc, A. Rodek, T. Kazimierczuk, J. Kossut, Influence of copper dopants on the photoluminescence of single CdTe quantum dots, Journal of Applied Physics, 127, 024306 (2020). (read)
M. Dyksik, M. Baranowski, A. Leblanc, A. Surrente, M. Karpińska, J. M. Urban, Ł. Kłopotowski, D. K. Maude, N. Mercier, P. Plochocka, Influence of oversized cations on electronic dimensionality of d-MAPbI3 crystals, Journal of Materials Chemistry C, 8, 7928 (2020). (read)
Ł. Kłopotowski, J. Mikulski, M. Szymura, R. Minikayev, M. Parlinńska-Wojtan, T. Kazimierczuk, J. Kossut, Ultraslow Spin Relaxation Dynamics in Colloidal Copper-Doped CdSe Quantum Dots, Journal of Physical Chemistry C, 124, 1042 (2020). (read)
M. Baranowski, K. Galkowski, A. Surrente, J. Urban, Ł. Kłopotowski, S. Mackowski, D. Maude, R. Ben Aich, Kais Boujdaria, Maria Chamarro, C. Testelin, P. Nayak, M. Dollmann, H. Snaith, R. Nicholas, P. Plochocka, Giant Fine Structure Splitting of the Bright Exciton in a Bulk MAPbBr3 Single Crystal, Nano Letters 19, 7054 (2019). (read)
P. Wojnar, M. Szymura, Ł. Kłopotowski, A. Rodek, T. Kazimierczuk, P. Kossacki, K. Fronc, M. Wiater, S. Chusnutdinow, J. Kossut, Copper Doping of Low-Dimensional Se-Based Semiconductor Structures Grown by Molecular Beam Epitaxy, Journal of Physical Chemistry C, 123, 19938 (2019). (read)
J. Urban, M. Baranowskki, A. Kuc, Ł. Kłopotowski, A. Surrente, Y. Ma, D. R. Włodarczyk, A. Suchocki, D. Ovchinnikov, T. Heine, D. K. Maude, A. Kis, P. Plochocka, Non equilibrium anisotropic excitons in atomically thin ReS2, 2D Materials 6, 015012 (2019). (read)
Ł. Kłopotowski, N. Czechowski, A. Mitioglu, C. Backes, D. K. Maude, P. Plochocka Long-lived photoluminescence polarization of localized excitons in liquid exfoliated monolayer enriched WS2 Nanotechnology 29, 335703 (2018). (read)
A Surrente, Ł Klopotowski, N Zhang, M Baranowski, A. Mitioglu, M. V. Ballottin, P. C. M. Christianen, D. Dumcenco, Y.-C. Kung, D. K. Maude, A. Kis, P. Plochocka, Intervalley Scattering of Interlayer Excitons in a MoS2/MoSe2/MoS2 Heterostructure in High Magnetic Field, Nano Letters 18, 3994 (2018). (read)
M. Baranowski, A. Surrente, Ł. Kłopotowski, J. Urban, N. Zhang, D. K. Maude, K. Wiwatowski, S. Mackowski, Y.-C. Kung, D. Dumcenco, A. Kis, and P. Plochocka, Probing the Interlayer Exciton Physics in a MoS2/MoSe2/MoS2 van der Waals Heterostructure, Nano Letters 17, 6360 (2017). (read)
J. M. Urban, M. Baranowski, A. Surrente, D. Włodarczyk, A. Suchocki, G. Long, Y. Wang, Ł. Kłopotowski, N. Wang, D. K. Maude and P. Plochocka, Observation of A1g Raman mode splitting in few layer black phosphorus encapsulated with hexagonal boron nitride, Nanoscale 9, 19298 (2017). (read)
Ł. Kłopotowski, C. Backes, A. A. Mitioglu, V. Vega-Mayoral, D. Hanlon, J. N. Coleman, V. Y. Ivanov, D. K. Maude, and P. Plochocka, Revealing the nature of excitons in liquid exfoliated monolayer tungsten disulphide, Nanotechnology 27, 425701 (2016). (read)
A. Surrente, A. A. Mitioglu, K. Galkowski, Ł. Kłopotowski, W. Tabis, B. Vignolle, D. K. Maude, and P. Plochocka, Onset of exciton-exciton annihilation in single-layer black phosphorus, Physical Review B 94, 075425 (2016). (read)
A. A. Mitioglu, K. Galkowski, A. Surrente, Ł. Kłopotowski, D. Dumcenco, A. Kis, D. K. Maude, and P. Plochocka, Magnetoexcitons in large area CVD-grown monolayer MoS2 and MoSe2 on sapphire, Physical Review B 93, 165412 (2016). (read)
J. Mikulski, B. Sikora, K. Fronc, P. Aleshkevych, S. Kret, J. Suffczyński, J. Papierska, Ł. Kłopotowski, and J. Kossut, Synthesis and magnetooptic characterization of Cu-doped ZnO/MgO and ZnO/oleic acid core/shell nanoparticles, RSC Advances 6, 44820 (2016). (read)
M. Szymura, Ł. Kłopotowski, A. A. Mitioglu, P. Wojnar, G. Karczewski, T. Wojtowicz, D. K. Maude, P. Plochocka, and J. Kossut , Exciton and carrier dynamics in ZnTe – Zn1-xMgxTe core-shell nanowires, Physical Review B 93, 155429 (2016). (read)
Ł. Kłopotowski, P. Wojnar, Ł. Cywiński, T. Jakubczyk. M. Goryca, K. Fronc, T. Wojtowicz, and G. Karczewski, Optical signatures of spin-dependent coupling in semimagnetic quantum dot molecules, Physical Review B 92, 075303 (2015). (read)
Ł. Kłopotowski, P. Wojnar, S. Kret, M. Parlińska-Wojtan, K. Fronc, T. Wojtowicz, and G. Karczewski, Engineering the hole confinement for CdTe-based quantum dot molecules, Journal of Applied Physics 117, 203512 (2015). (read)
M. Szymura, P. Wojnar, Ł. Kłopotowski, J. Suffczynski, M. Goryca, T. Smolenski, P. Kossacki, W. Zaleszczyk, T. Wojciechowski, G. Karczewski, T. Wojtowicz and J. Kossut, Spin Splitting Anisotropy in Single Diluted Magnetic Nanowire Heterostructures, Nano Letters 15, 1972 (2015). (read)
A. Baranowska-Korczyc, K. Sobczak, P. Dłużewski, A. Reszka, B. J. Kowalski, Ł. Kłopotowski, D. Elbaum, K. Fronc, Facile synthesis of core/shellZnO/ZnS nanofibers by electro- spinning and gas-phase sulfidation for biosensor applications, Physical Chemistry Chemical Physics 17, 24029 (2015). (read)
P. Wojnar, M. Zieliński, E. Janik, W. Zaleszczyk, T. Wojciechowski, R. Wojnar, M. Szymura, Ł. Kłopotowski, L. T. Baczewski, A. Pietruchik, M. Wiater, S Kret, G. Karczewski, T. Wojtowicz and J. Kossut, Strain-induced energy gap variation in ZnTe/ZnMgTecore/shell nanowires, Applied Physics Letters 104, 163111 (2014). (read)
Ł. Kłopotowski, K. Fronc, P. Wojnar, M. Wiater, T. Wojtowicz, and G. Karczewski, Stark spectroscopy of CdTe and CdMnTe quantum dots embedded in n-i-p diodes, Journal of Applied Physics 115, 203512 (2014). (read)
M. Szymura, Ł. Kłopotowski, P. Wojnar, G. Karczewski, T. Wojtowicz and J. Kossut, Identification of Optical Transitions from CdTe and CdMnTe Quantum Dots Embedded in ZnTe Nanowires, Acta Physica Polonica 124, 824 (2013). (read)
P. Wojnar, M. Szymura, W. Zaleszczyk, Ł. Kłopotowski, E. Janik, M. Wiater, L. T. Baczewski, S Kret, G. Karczewski, J. Kossut and T. Wojtowicz, Activation of an intensenear band edge emission from ZnTe/ZnMgTe core/shell nanowires grown on silicon, Nanotechnology 24, 365201 (2013). (read)
Ł. Kłopotowski, Ł. Cywiński, M. Szymura, V. Voliotis, R. Grousson, P. Wojnar, K. Fronc, T. Kazimierczuk, A. Golnik, G. Karczewski, and T. Wojtowicz, Influence of exciton spin relaxation on the photoluminescence spectra of semimagnetic quantum dots, Physical Review B 87, 245316 (2013). (read)
T. Kazimierczuk, T. Smoleński, J. Kobak, M. Goryca, W. Pacuski, A. Golnik, K. Fronc, Ł. Kłopotowski, P. Wojnar, P. Kossacki, Optical study of electron-electron exchange interaction in CdTe/ZnTe quantum dots, Physical Review B 87, 195302 (2013). (read)
K. Klosek, M. Sobanska, G. Tchutchulashvili, Z. R. Zytkiewicz, H.Teisseyre, Ł. Kłopotowski, Optimization of nitrogen plasma source parameters by measurements of emitted light intensity for growth of GaN by molecular beam epitaxy Thin Solid Films 534, 107 (2013). (read)
N. Romčević, M. Petrovic-Damjanovic, M. Romčević, M. Gilic, Ł. Kłopotowski, W. D. Dobrowolski, J. Kossut, I.A. Jankovic, M. I. Comor, Magnetic field influence on optical properties of Cd1-xMnxS (x=0; 0.3) quantum dots: Photoluminescence study, Journal of Alloys and Compounds 553, 75 (2013). (read)
A. Baranowska-Korczyc, K. Fronc, Ł. Kłopotowski, A. Reszka, K. Sobczak, W. Paszkow- icz, K. Dybko, P. Dluzewski, B. J. Kowalski, D. Elbaum, Light- and environment-sensitive electrospun ZnO nanofibers, RSC Advances 3, 5656 (2013). (read)
A. Baranowska-Korczyc, A. Reszka, K. Sobczak, B. Sikora, P. Dziawa, M. Aleszkiewicz, Ł.Kłopotowski, W. Paszkowicz, P. Dluzewski, B. J. Kowalski, T. A. Kowalewski, M. Saw- icki, D. Elbaum, K. Fronc, Magnetic Fe doped ZnO nanofibers obtained by electrospinning, Journal of Sol-Gel Science and Technology 61, 494 (2012). (read)
T. Smoleński, T. Kazimierczuk, M. Goryca, M. Jakubczyk, Ł. Kłopotowski, L. Cywinski, P. Wojnar, A. Golnik, P. Kossacki, In-plane radiative recombination channel of a dark exciton in self-assembled quantum dots, Physical Review B 86, 241305 (2012). (read)
Ł. Kłopotowski, Charging Effects in Self-Assembled CdTe Quantum Dots, Acta Physica Polonica A 120, 819 (2011). (read)
K. Kukliński, Ł. Kłopotowski, K. Fronc, P. Wojnar, T. Wojciechowski, M. Czapkiewicz, J. Kossut, G. Karczewski, and T. Wojtowicz, Spectroscopy of Indirect Excitonsin Vertically Stacked CdTe Quantum Dot Structures, Acta Physica Polonica A 120, 856 (2011). (read)
K. Kukliński, Ł. Kłopotowski, K. Fronc, M. Wiater, P. Wojnar, P. Rutkowski, V. Voliotis, R. Grousson, G. Karczewski, J. Kossut, and T. Wojtowicz, Tuning the inter-shellsplitting in self-assembled CdTe quantum dots, Applied Physics Letters 99, 141906 (2011). (read)
T. Kazimierczuk, T. Smolenski, M. Goryca, Ł. Kłopotowski, P. Wojnar, K. Fronc, A. Golnik, M. Nawrocki, J. A. Gaj, P. Kossacki, Magnetophotoluminescence study of intershellexchange interaction in CdTe/ZnTe quantum dots, Physical Review B 84, 165319 (2011). (read)
Ł. Kłopotowski, V. Voliotis, A. Kudelski, A. I. Tartakovskii, P. Wojnar, K. Fronc, R. Grousson, O. Krebs, M. S. Skolnick, G. Karczewski, and T. Wojtowicz, Stark spectroscopy and radiative lifetimes in single self-assembled CdTe quantum dots, Physical Review B 83, 155319 (2011). (read)
Ł. Kłopotowski, Ł. Cywiński, P. Wojnar, V. Voliotis, K. Fronc, T. Kazimierczuk, A. Golnik, M. Ravaro, R. Grousson, G. Karczewski, and T. Wojtowicz, Magnetic polaron for-mation and exciton spin relaxationinsingle Cd1-xMnxTe quantum dots, Physical Review B 83, 081306R (2011). (read)
Ł. Kłopotowski, M. Goryca, T. Kazimierczuk, P. Kossacki, P. Wojnar, G. Karczewski, and T. Wojtowicz, Dynamics of charge leakage from self-assembled CdTe quantum dots, Applied Physics Letters 96, 201905 (2010). (read)
Ł. Kłopotowski, M. Goryca, P. Kossacki, A. Kudelski, O. Krebs, P. Wojnar, G. Karczewski, T. Wojtowicz, Charge Storage in Self-Assembled CdTe Quantum Dots, Journal of Physics: Conference Series 210, 012007 (2010).
M. Romčević, N. Romčević, R. Kostić, Ł. Kłopotowski, W. D. Dobrowolski, J. Kossut, M. I. Connor, Photoluminescence of highly doped Cd1-xMnxS nanocrystals Journal of Alloys and Compounds 497, 46 (2010).
Ł. Kłopotowski, A. Kudelski, P. Wojnar, A. I. Tartakovskii, M. S. Skolnick, O. Krebs, P. Voisin, S. Kret, P. Dłużewski, G. Karczewski, T. Wojtowicz, CdTe Quantum Dots ina Field Effect Structure: Photoluminescence Lineshape Analysis AIP Conference Proceedings, 1199, 301 (2009).
Ł. Kłopotowski, A. Kudelski, P. Wojnar, A. I. Tartakovskii, M. S. Skolnick, O. Krebs, P Voisin, G. Karczewski, T. Wojtowicz, Quantum Confined Stark Effect in Single self- Assembled CdTe Quantum Dots AIP Conference Proceedings, 1199, 347 (2009).
T. Jakubczyk, T. Kazimierczuk, A. Golnik, P. Bienias, W. Pacuski, C. Kruse, D. Hommel, Ł. Kłopotowski, T. Wojtowicz, J. A. Gaj, Optical Study of ZnTe-Based 2D and 0D Photonic Structures Containing CdTe/ZnTe Quantum Dot, Acta Physica Polonica A 116, 888 (2009).
W. Zaleszczyk, K. Fronc, E. Przezdziecka, E. Janik, M. Czapkiewicz, J. Wróbel, W. Paszkowicz, Ł. Kłopotowski, G. Karczewski, T. Wojtowicz, and A. Presz Photoluminescence Properties of ZnO Nanowires Grown on Ni Substrate, Acta Physica Polonica 114, 1451 (2008).
R. Kostić, M. Romčević, N. Romčević, Ł.Kłopotowski, J. Kossut, J. Kuljanin-Jakovljević, M.I. Čomorand J.M. Nedeljković, Photoluminescence and far-infrared spectroscopy of PbS quantum dots – Polyvinyl alcohol nanocomposite – Optical Materials 30, 1177 (2008).
A. Amo, D. Ballarini, E. Kozhemyakina, D. Sanvitto, Ł.Kłopotowski, L. Vińa, D. Bajoni, J. Bloch, M. S. Skolnick, J. S. Roberts, Ultrafast tailoring of the exciton distribution inquantum wells, physica status solidi (b) 245, 1064 (2008).
Ł. Kłopotowski, A. Kudelski, P. Wojnar, O. Krebs, P. Voisin, G. Karczewski, T. Wojtowicz, Electrical and optical charging of CdTe quantum dots, physica status solidi (c), 5, 2516 (2008).
Ł. Kłopotowski, A. Gruszczyńska, E. Janik, M. Wiater, P. Kossacki, G. Karczewski, T. Wojtowicz, Mapping of quantum well eigenstates with semimagnetic probes, Physical Review B 77, 235312 (2008).
E. Przeździecka, E. Kaminska, K. P. Korona, E. Dynowska, W. Dobrowolski, R. Jakiela, Ł. Kłopotowski, and J. Kossut, Photoluminescence Study and Structural Characterization of p-type ZnO doped by N and/or As acceptors, Semiconductor Science and Technology 22, 10 (2007).
W. Zaleszczyk, K. Fronc, M. Aleszkiewicz, W. Paszkowicz, J. Wróbel, P. Dluzewski, S. Kret, M. Klepka, Ł. Kłopotowski, G. Karczewski and T. Wojtowicz, PhotoluminescenceProperties of ZnO and ZnCdO Nanowires, Acta Physica Polonica 112, 357 (2007).
J. A. Gaj, J. Cibert, A. Golnik, M. Goryca, E. Janik, T. Kazimierczuk, Ł. Kłopotowski, P. Kossacki, J. Kossut, K. Kowalik, O. Krebs, A. Lemaitre, S. Mackowski, W. Maslana, M. Nawrocki, P. Plochocka, B. Piechal, P. Senellart, J. Suffczynski, S. Tatarenko, A. Trajnerowicz, P. Voisin, Semiconductor heterostructures for spintronics and quantum informa-tion, Academie des Sciences Comptes Rendus Physique, 8, 243 (2007).
M. D. Martín, G. Aichmayr, A. Amo, D. Ballarini, Ł. Kłopotowski, and L. Viña, Po- lariton and spin dynamics in semiconductor microcavities under non-resonant excitation, Journal of Physics – Condensed Matter 19, 295204 (2007).
E. Przeździecka, E. Kaminska, M. Kiecana, M. Sawicki, Ł. Kłopotowski, W. Pacuski, and J. Kossut, Magneto-optical properties of the diluted magnetic semiconductor p-type ZnMnO, Solid State Communications 139, 541 (2006).
G. Karczewski, S. Mahapatra, T. Borzenko, P. Dłużewski, S. Kret, Ł. Kłopotowski, C. Schumacher, K. Brunner, L. W. Molenkamp, and T. Wojtowicz, ZnSe/CdSe supperlattice nanowires by catalyst-assisted molecular beam epitaxy, Proceedings of 28 International Conference on Physics of Semiconductors, IoP Publishing, Vienna (2006).
E. Przeździecka, E. Kamińska, K. P. Korona, E. Dynowska, W. Dobrowolski, R. Jakieła, W. Pacuski, Ł. Kłopotowski, J. Kossut. Optical properties of p-type ZnO and ZnMnO doped by Nand/orAsacceptors-Proceedings of 28 International Conference on Physics of Semiconductors, IoP Publishing, Vienna, 2006.
Ł. Kłopotowski, M. D. Martín, A. Amo, L. Viña, I. A. Shelykh, M. M. Glazman, G. Malpuech, A. V. Kavokin, R. André, Optical Anisotropy and Pinning of the Linear Polarization of Light in Semiconductor Microcavities, Solid State Communicatins 139, 511 (2006).
E. Przeździecka, E. Kamińska, E. Dynowska, W. Dobrowolski, R. Jakieła, Ł. Kłopotowski, M. Sawicki. M. Kiecana, J. Kossut p-type ZnO and ZnMnO by oxidation of Zn(Mn)Te films, physica status solidi (c) 4, 988 (2006).
A. Amo, M. D. Martín, Ł. Kłopotowski, L. Viña, A. I. Toropov, and K. S. Zhuravlev, Dynamics of Relaxation and Trapping of Excitons in AlGaAs Films, physica status solidi (c) 2, 906 (2005).
A. Amo, M. D. Martín, Ł. Kłopotowski, L. Viña, A. I. Toropov, and K. S. Zhuravlev, Exciton Relaxation and Spin Dynamics in AlGaAs Films – Proceedings of 27 International Conference on Physics of Semiconductors, IoP Publishing, Flagstaff (2005).
Ł. Kłopotowski, A. Amo, M. D. Martin, and L. Viña, R. Andre, Polarization of LightEmission in Semiconductor Microcavities: Dispersion Mapping, Proceedings of 27 International Conference on Physics of Semiconductors, IoP Publishing, Flagstaff, (2005).
A. Amo, M. D. Martín, Ł. Kłopotowski, L. Viña, A. I. Toropov, and K. S. Zhuravlev, Influenceof trappingonthe exciton dynamicsof AlxGa1 xAs films, Applied Physics Letters 86, 111906 (2005).
Ł. Kłopotowski, A. Amo, M. D. Martín, L. Viña, R. André, Polarization Dynamics of Microcavity Polaritons: Three ExcitationRegimes, physica status solidi (a) 202, 357 (2005).
K. M. Lebecki, Ł. Kłopotowski, J Kossut, Optical properties of a semimagnetic quantumwell in a proximity of a superconducting film, Acta Physica Polonica 108, 741 (2005).
Ł. Kłopotowski, R. Santos, A. Amo, M. D. Martín, L. Viña, R. André, Dynamics of Polariton Emission in the Linear Regime, Acta Physica Polonica 106, 443 (2004).
Ł. Kłopotowski, L. Viña, Le Si Dang, R. André, Time-Resolved Emission from Semi- conductor Microcavities, Acta Physica Polonica 106, 435 (2004).
M. Nawrocki, Ł. Kłopotowski, J. Suffczyński, Optical spin injection and tunneling in asymmetric coupled II-VI quantum wells, physica status solidi (b) 241, 680 (2004).
Ł. Kłopotowski, J. Suffczyński, M. Nawrocki, E. Janik, Hanle effect of charged and neutral excitons in quantumwells, Journal of Superconductivity 16, 435 (2003).
Ł. Kłopotowski, J. Suffczyński, M. Nawrocki, E. Janik, Exciton Spin Manipulation in Asymmetric Double Quantum Well Structure, Proceedings of 26 International Conference on Physics of Semiconductors, ed. By H. D. Davies and S. Long, IoP Publishing, Edinburgh (2003).
Ł. Kłopotowski, J. Suffczyński, S. Maćkowski, E. Janik Exciton and charged exciton absorption in asymmetric double quantum well structures, physica status solidi (a), 190, 793 (2002).
M. Ghali, J. Kossut, E. Janik, K. Regiński, Ł. Kłopotowski, Trions as a probe of spin injection through II —VI magnetic / nonmagnetic heterointerface, Thin Solid Films 412, 30 (2002).
M. Ghali, J. Kossut, E. Janik,K. Regiński, Ł. Kłopotowski, P. Dłużewski, M. Potemski, F.Teran, G.Cywiński, Effective spin diffusion across hugely lattice mismatched heterointerfaces, Physica E 13, 547 (2002).
Ł. Kłopotowski, M. Nawrocki, S. Maćkowski, E. Janik Spin conserving tunneling in asymmetric double quantum well structures, physica status solidi (b), 229, 769 (2002).
M. Ghali, J. Kossut, E. Janik, K. Regiński, Ł. Kłopotowski, Optical Injection of Spin Polarized Carriers Across a Strongly Mismatched Heterostructure, Solid State Communications 119, 371 (2001).
Ł. Kłopotowski, M. Nawrocki, J. A. Gaj, S. Maćkowski, E. Janik, Tunneling of spin polarized excitons in CdTe based asymmetric double quantum well structure, Solid State Communications 119, 147 (2001).
M. Herbich, Ł. Kłopotowski, W. Mac, A. Stachow, A. Twardowski, J. Tworzydło, M. Demianiuk, Influence of local potentials on spin-splitting in diluted magnetic semiconductors, Journal of Crystal Growth 184-185, 992 (1998).
Ł. Kłopotowski, M. Herbich, W. Mac, A. Stachow-Wójcik, A. Twardowski, Influence of local potential on exciton splitting in highly diluted Cd1−xMnxTe, Acta Physica Polonica A 92, 837 (1997).