The main field of interest in the Group is MAGNETISM, in particular:

  • Molecular magnetism.
  • Geometrically frustrated magnetic systems (pyrochlores, garnets)
  • Magnetic and electronic properties of rare-earth intermetallic and oxide phases.

We study magnetic properties of molecular compounds, especially those based on cyanide or tiocyanide bridges between magnetic metal ions. We focus on behaviour of single chain magnets with slow relaxation of magnetization observed at low temperatures, and also on photomagnetism or solvent-sensitivity of such compounds.

These projects are realized in close collaboration with chemists, particulary from groups of prof. B. Sieklucka (Kraków) and prof. C. Näther (Kiel).

  • helium recovery system and liquifier
  •  

Low temperature magnetic, transport and calorimetric measurements

  • Quantum Design MPMS-5XL squid magnetometer
  • QD PPMS, 9T with He3 cooling, magneto-transport and specific heat measurements down to 0.4 K, and in field up to 9 T
 

Sample preparation

  • high temperature ovens for samples sintering up to 1500 degC
  • Simens D500 x-ray diffractometer
  • 2024

E. M. Manohar, S. Roy, S. Bandyopadhyay, M. Pal, S. Singh, V. Ganesan, R. Pełka, P. Konieczny, M. Rams, H. Choi, S. Tothadi, S. Das.
A Linear Trinuclear Acetate Bridged Cobalt Complex Containing Pyridine-Based Bicompartmental Ligand: Synthesis, Structural, Magnetic, and Electrocatalytic Oxygen Evolution Studies.
Cryst. Growth Des. 2024, XXX, XXX-XXX
https://doi.org/10.1021/acs.cgd.3c01061     

E. M. Manohar, H. N. Dhandapani, S. Roy, R. Pełka, M. Rams, P. Konieczny; S. Tothadi, S. Kundu, A. Dey, S. Das.
Tetranuclear CoII4O4 Cubane Complex: Effective Catalyst Toward Electrochemical Water Oxidation.
Inorg. Chem. 2024, XXX, XXX-XXX
https://doi.org/10.1021/acs.inorgchem.3c03956   

  • 2023

M. Rams, T. Lohmiller, M. Böhme, A. Jochim, M. Foltyn, A. Schnegg, W. Plass, C. Näther.
Weakening the interchain interactions in 1D cobalt(II) coordination polymers by preventing intermolecular hydrogen bonding.
Inorg. Chem. 62 (2023) 10420-10430

M. Foltyn, D. Pinkowicz, M. Rams.
Magnetic relaxation in a Co(II) based quasi-one dimensional Ising spin system.
J. Magn. Magn. Mater. 584 (2023) 171069

C. Krebs, M. Foltyn, I. Jess, S. Mangelsen, M. Rams, C. Näther.
Synthesis, crystal structures, thermal and magnetic properties of Mn(NCS)2 coordination compounds with 3-cyanopyridine.
Inorganica Chimica Acta 554 (2023) 121495.

 
  • 2022

M. Foltyn, D. Pinkowicz, C. Näther, M. Rams.
Relaxation processes in a single crystal of Co(NCS)2(4-methoxypyridine)2 spin chain.
Phys. Chem. Chem. Phys. 24 (2022) 24439-24446

M. Magott, M. Ceglarska, M. Rams, B. Sieklucka, D. Pinkowicz.
Magnetic interactions controlled by light in the family of Fe(ii)–M(iv) (M = Mo, W, Nb) hybrid organic–inorganic frameworks.
Dalton Trans. 51 (2022) 8885-8892

M. Böhme, M. Rams, C. Krebs, S. Mangelsen, I. Jess, W. Plass, C. Näther
A Co(NCS)2 chain compound with an alternating five- and six-fold coordination: Influence of the metal coordination on the magnetic properties.
Inorg. Chem. 61 (2022) 16841-1685

C. Krebs, I. Jess, M. Ceglarska, M. Rams, C. Nather.
Synthesis, crystal structure and magnetic properties of coordination compounds of Mn(NCS)(2) with the 3-bromopyridine ligand.
Z. Naturforsch. B 77 (2022) 445-451

  • 2021
M. Ceglarska, M. Böhme, T. Neumann, W. Plass, Ch. Näther, M. Rams
Magnetic investigations of monocrystalline [Co(NCS)2(L)2]n: new insights into single-chain relaxations.
Phys. Chem. Chem. Phys., 23 (2021) 10281-10289

 

  • 2020

G. Handzlik, M. Magott, M. Arczyński, A.M. Sheveleva, F. Tuna, M. Sarewicz, A. Osyczka, M. Rams, V. Vieru, L.F. Chibotaru, D. Pinkowicz.
Magnetization dynamics and coherent spin manipulation of a propeller Gd(III) complex with the smallest helicene ligand.
J. Phys. Chem. Lett., 11 (2020) 1508-1515

Cover profile of the team

M. Rams, A. Jochim, M. Bohme, T. Lohmiller, M. Ceglarska, M. M. Rams, A. Schnegg, W. Plass, Ch. Näther.
Single-Chain Magnet Based on Cobalt(II) Thiocyanate as XXZ Spin Chain.
Chem. Eur. J. 26 (2020) 2837-2851  Open access

 

A. Jochim, M. Rams, M. Böhme, M. Ceglarska, W. Plass, C. Näther.
Thermodynamically metastable chain and stable layered Co(NCS)2 coordination polymers: Thermodynamic relations and magnetic properties.
Dalton. Trans. (2020) 49, 15310-15322

C. Wellm, A. Majcher-Fitas, M. Rams, C. Näther
Impact of the synthetic approach on the magnetic properties and homogeneity of mixed crystals of tunable layered ferromagnetic coordination polymers.
Dalton. Trans. (2020) 49, 16707-16714

C. Wellm, M. Rams, M. Ceglarska, C. Nather.

Synthesis and magnetic properties of the layered compound [Fe(NCS)2(4-acetylpyridine)2]n and its mixed crystals with the Ni(II) analog.
Cryst. Growth Design 20 (2020) 2508-2515

M. Böhme, A. Jochim, M. Rams, T. Lohmiller, S. Suckert, A. Schnegg, W. Plass, C. Näther.
Variation of the Chain Geometry in Isomeric 1D Co(NCS)2 Coordination Polymers and Their Influence on the Magnetic Properties.
Inorg. Chem., 59 (2020) 5325-5338

A. Jochim, T. Lohmiller, M. Rams, M. Böhme, M. Ceglarska, A. Schnegg, W. Plass, C. Näther.
Influence of the coligand onto the magnetic anisotropy and the magnetic behavior of one-dimensional coordination polymers.
Inorg. Chem. 2020, 59 (2020) 8971-8982

M. Mihalik, P. Roupcová, R. Tarasenko, M. Rams, A. Hoser, M. Mihalik.
Magnetism in NdMn0.1Fe0.9O3 compound.
J. Magn. Magn. Mater. 502 (2020) 166539

C. Wellm, T. Neumann, M. Ceglarska, G. Gallo, M. Rams, R.E. Dinnebier, C. Näther.
New isomeric Ni(NCS)2 coordination compounds: crystal structures, magnetic properties and ex situ as well as in situ investigations on their synthesis and transition behaviour.
CrystEngComm 22 (2020) 2350

M.Chrobak, K.Mackosz, M.Jurczyszyn, M.Dobrzanski, K.Nowak, T.Slezak, M.Zając, M.Sikora, M.Rams, T.Eelbo, J.Stępień, M.Waśniowska, O.Mathon, F.Yakhou-Harris, D.G.Merkel, I.Miotkowski, Z.Kakol, A.Kozlowski, M.Przybylski, Z.Tarnawski
Fe dopants and surface adatoms versus nontrivial topology of single-crystalline Bi2Se3
New J. Phys., 22 (2020) 063020

C. Wellm, T. Neumann, G. Gallo, A.M. Dziubyna, M. Rams, R.E. Dinnebier, C. Nather.
Structural Variety in Mn(NCS)2 4-Cyanopyridine Coordination Compounds: Synthesis, Structures, Isomerism, and Magnetic Properties.
Cryst. Growth Design 20 (2020) 3374-3385

  • Oferta stypendialna dla studentów studiów II stopnia (2 stypendia)

w ramach projektu NCN OPUS 13 nr 2017/25/B/ST3/00856 pt. Relaksacje łańcuchów spinowych w magnetykach molekularnych: eksperymentalne badania roli anizotropii (kierownik projektu: Michał Rams). Projekt zajął pierwsze miejsce w panelu ST3.

Pierwsze stypendium: Termin przyjmowania zgłoszeń 26 luty 2018. Konkurs wygrała pani Magdalena Ceglarska  (4 rok ZMiN). Drugie stypendium: Termin przyjmowania zgłoszeń minął 5 luty 2019.

  • 2019
T. Neumann, M. Rams, Z. Tomkowicz, I. Jess, Ch. Näther.

Tuning of the exchange interaction and the Curie temperature by mixed crystal formation of the bridging anionic ligands.
Chem. Commun. 55 (2019) 2652-2655

S. Baran, A. Hoser, M. Rams, S. Ostrovsky, T. Neumann, Ch. Näther, Z. Tomkowicz.
Neutron diffraction study of quasi-1D ising ferromagnet [Co(NCS)2(pyridine)2]n
J. Phys. Chem. Solids 130 (2019) 290-297

  • 2018

T. Neumann, M. Ceglarska, L.S. Germann, M. Rams, R.E. Dinnebier, S. Suckert, I. Jess, C. Näther.
Structures, thermodynamic relations, and magnetism of stable and metastable Ni(NCS)2 coordination polymers.
Inorg. Chem. 57 (2018) 3305–3314

S. Chorazy, M. Rams, M. Wyczesany, K. Nakabayashi, S. Ohkoshi, B. Sieklucka.
Antiferromagnetic exchange and long-range magnetic ordering in the supramolecular networks constructed of hexacyanidobridged LnIII(3-pyridone)–CrIII (Ln = Gd, Tb) chains.
CrystEngComm 20 (2018) 1271-1281

C. Wellm, M. Rams, T. Neumann, M. Ceglarska, C. Näther.
Tuning of the critical temperature in magnetic 2D coordination polymers by mixed crystal formation.
Cryst. Growth & Design, 18 (2018) 3117-3123

T. Neumann, M. Rams, C. Wellm, C. Näther.
Synthesis and Magnetic Properties of Solid Solutions of Ferromagnetic Layered Coordination Polymers Prepared from Solution and the Solid State.
Cryst. Growth & Design, 18 (2018), 6020-6027

A. Jochim, M. Rams, T. Neumann, C. Wellm, H. Reinsch, G.M. Wójtowicz, C. Näther.
Structural Diversity in Ni Chain Coordination Polymers: Synthesis, Structures, Isomerism and Magnetism.
Eur. J. Inorg. Chem., 2018 (2018) 4779-4789

A. Jochim, M. Ceglarska, M. Rams, C. Näther.
Synthesis, Crystal Structures, and Properties of Ni(NCS)2-4-methoxypyridine Coordination Compounds.
Z. Anorg. Allg. Chem., 644: 1760-1770

  • 2017

M. Rams, Z. Tomkowicz, M. Böhme, W. Plass, S. Suckert, J. Werner, I. Jess, C. Näther.
Influence of the Metal Coordination and the co-Ligand on the Magnetic Properties of 1D Co(NCS)2 Coordination Polymers.
Phys. Chem. Chem. Phys. 19 (2017) 3232-3243

M. Rams, M. Bohme, V. Kataev, Y. Krupskaya, B. Buchner, W. Plass, T. Neumann, I. Jess, Z. Tomkowicz, C. Näther.
Static and dynamic magnetic properties of the ferromagnetic coordination polymer [Co(NCS)2(py)2]n.
Phys. Chem. Chem. Phys. 19 (2017) 24535-24544 

S. Suckert, M. Rams, M.M. Rams, C. Näther.
Reversible and topotactic solvent removal in magnetic Ni(NCS)2 coordination polymer.
Inorg. Chem. 56 (2017) 8007-8017

S. Suckert, M. Rams, L.S. Germann, D.M. Cegiełka, R.E. Dinnebier, C. Näther.
Thermal transformation of a zero-dimensional thiocyanate precursor into a ferromagnetic three-dimensional coordination network via a layered intermediate.
Cryst. Growth Des. 17 (2017) 3997-4005 

M. Arczynski, M. Rams, J. Stanek, M. Fitta, B. Sieklucka, K.R. Dunbar, D. Pinkowicz.
A Family of Octahedral Magnetic Molecules Based on [NbIV(CN)8]4–.
Inorg. Chem. 56 (2017) 4021-4027

S. Chorazy, M. Rams, J. Wang, B. Sieklucka, S. Ohkoshi.
Octahedral Yb(III) complexes embedded in [CoIII(CN)6]-bridged coordination chains: combining sensitized near-infrared fluorescence with slow magnetic relaxation.
Dalton Trans. 46 (2017) 13668-13672<

B. Nowicka, M. Heczko, M. Rams, M. Reczyński, B. Gaweł, W. Nitek, B. Sieklucka.
Solvatomagnetic studies of the cyano-bridged bimetallic chains based on [Mn(cyclam)]3+ and hexacyanometallates.
Eur. J. Inorg. Chem. 2017 (2017) 99-106

 
  • 2016

S. Chorazy, J. Stanek, W. Nogas, A.M. Majcher, M. Rams, M. Kozieł, E. Juszyńska-Gałązka, K. Nakabayashi, S. Ohkoshi, B. Sieklucka, R. Podgajny.
Tuning of charge transfer assisted phase transition and slow magnetic relaxation functionalities in Fe9-xCox[W(CN)8]6 (x=0-9) molecular solid solution.
J. Am. Chem. Soc. 138 (2016) 1635

S. Chorazy, M. Rams, A. Hoczek, B. Czarnecki, B. Sieklucka, S. Ohkoshi, R. Podgajny.
Structural anisotropy of cyanido-bridged {CoII9WV6} Single-Molecule Magnets induced by bidentate ligands: towards the rational enhancement of energy barrier.
Chem. Commun. 52 (2016) 4772.

S. Suckert, M. Rams, M. Böhme, L.S. Germann, R.E. Dinnebier, W. Plass, J. Werner, C. Näther.
Synthesis, structures, magnetic, and theoretical investigations of layered Co and Ni thiocyanate coordination polymers.
Dalton Trans. 45 (2016) 18190

S. Chorazy, M. Rams, K. Nakabayashi, B. Sieklucka, S. Ohkoshi.
White light emissive DyIII single-molecule magnets sensitized by diamagnetic [CoIII(CN)6]3- linkers.
Chem-Eur.J. 22 (2016) 7371.

B. Nowicka, M. Reczyński, M. Rams, T. Wasiutyński, W. Nitek, B. Sieklucka.
Ligand dependent topology and spontaneous resolution in high-spin cyano-bridged Ni3W2 clusters.
Dalton Trans. 45 (2016) 12423.

B. Nowicka, M. Heczko, M. Reczyński, M. Rams, B. Gaweł, W. Nitek, B. Sieklucka.
Exploration of a new building block for the construction of cyano-bridged solvatomagnetic assemblies: [Ni(cyclam)]3+.
CrystEngComm 18 (2016) 7011.

  • 2015

D. Pinkowicz, M. Rams, M. Misek, K.V. Kamenev, H. Tomkowiak, A. Katrusiak, B. Sieklucka.
Enforcing Multifunctionality: A Pressure-Induced Spin-Crossover Photomagnet.
J. Am. Chem. Soc. 137 (2015) 8795, open acces PDF

S. Chorazy, R. Podgajny, K. Nakabayashi, J. Stanek, M. Rams, B. Sieklucka, S-i. Ohkoshi.
FeII spin-crossover phenomenon in the pentadecanuclear {Fe9[Re(CN)8]6} spherical cluster.
Angewandte Chemie Inter. Ed. 54, 5093-5097 (2015)

O. Stefanczyk, A.M. Majcher, M. Rams, W. Nitek, C. Mathoniere, B. Sieklucka.
Photo-induced magnetic properties of the [CuII(bapa)]2[MoIV(CN)8]7H2O molecular ribbon.
J. Mater. Chem. C, 2015, 3, 8712

B. Nowicka, M. Reczyński, M. Rams, W. Nitek, J. Żukrowski, C. Kapusta, B. Sieklucka.
Hydration-switchable charge transfer in the first bimetallic assembly based on the [Ni(cyclam)]3+ – magnetic CN-bridged chain {(H3O)[NiIII(cyclam)][FeII(CN)6]·5H2O}n.
Chem. Comm. 51 (2015) 11485

J. Werner, M. Rams, Z. Tomkowicz, T. Runčevski, R.E. Dinnebier, S. Suckert, C. Näther.
Thermodynamically metastable thiocyanato coordination polymer that shows slow relaxations of the magnetization.
Inorg. Chem. 54, 2893–2901 (2015)

J. Werner, Z. Tomkowicz, M. Rams, S.G. Ebbinghaus, T. Neumann, C. Näther.
Synthesis, structure and properties of [Co(NCS)2(4-(4-chlorobenzyl)pyridine)2]n, that shows slow magnetic relaxations and a metamagnetic transition.
Dalton Trans. 44, 14149 (2015)

M. Wasniowska, M. Sikora, M. Dobrzanski, T. Eelbo, M.M. Soares, M. Rams, I. Miotkowski, R. Wiesendanger, R. Berndt, Z. Kakol, A. Kozlowski.
Investigating the differences between Co adatoms states on surfaces of selected bismuth chalcogenides.
Physical Review B 92 (2015) 115412.

O. Stefanczyk, A.M. Majcher, M.Rams, W. Nitek, C. Mathoniere, B. Sieklucka.
Linking magnetic M-II-[M-V[CN)(8)] chains into 2D inorganic-organic hybrid materials.
CrystEngComm 17 (2015) 4533.

B. Nowicka, M. Reczynski, M. Rams, W. Nitek, M. Koziel, B. Sieklucka.
Larger pores and higher T-c: {[Ni(cyclam)](3)[W(CN)(8)](2)center dot solv}(n) - a new member of the largest family of pseudo-polymorphic isomers among octacyanometallate-based assemblies.
CrystEngComm 17 (2015) 3526

S. Chorazy, R. Podgajny, W. Nogas, S. Buda, W. Nitek, J. Mlynarski, M. Rams, M. Kozieł, E. Juszyńska-Gałązka, V. Vieru, L. Chibotaru, B. Sieklucka.
Optical activity and dehydration-driven switching of magnetic properties in enantiopure cyanido-bridged CoII3WV2 trigonal bipyramids
Inorg. Chem. 54 (2015) 5784.

S. Chorąży, M. Reczyński, R. Podgajny, W. Nogaś, S. Buda, M.Rams, W.Nitek, B.Nowicka, J.Młynarski, S.Ohkoshi, B.Sieklucka.
Implementation of chirality into high-spin ferromagnetic CoII9WV6 and NiII9WV6 cyanido-bridged clusters.
Crystal Growth & Design 15 (2015) 3573

I. Misztalewska, A.Z. Wilczewska, O. Wojtasik, K.H. Markiewicz, P.Kuchlewski, A.M. Majcher.
New acetylacetone-polymer modified nanoparticles as magnetically separable complexing agents.
RSC Advances 5 (2015) 100281

B. Cristóvão, B. Miroslaw, J. Kłak, M. Rams.
Carbonato-bridged heteronuclear Ni2IILn2III (Ln=Tb, Dy, Ho, Er, Tm, Yb, Lu) complexes synthesized by fixation of atmospheric CO2 – structural and magnetic studies.
Polyhedron 85, 697-704 (2015)

  • 2014

E. V. Peresypkina, A. M. Majcher, M. Rams, K. E. Vostrikova.
A single chain magnet involving hexacyanoosmate.
Chem. Commun. 50, 7150–7153 (2014)

M. Rams, E.V. Peresypkina, V.S. Mironov, W. Wernsdorfer, K.E. Vostrikova.
Magnetic relaxation of 1D coordination polymers (X)2[Mn(acacen)Fe(CN)6], X = Ph4P+, Et4N+.
Inorg. Chem. 53, 10291–10300 (2014)

O. Stefanczyk, M. Rams, A. M. Majcher, C. Mathoniere, B. Sieklucka.
Chiral (LH)(2)L2Cu3 trinuclear paramagnetic nodes in octacyanidometalate-bridged helical chains.
Inorg. Chem. 53, 3874–3879 (2014)

D. Pinkowicz, Z. Li, P. Pietrzyk, M. Rams.
New thiadiazole dioxide bridging ligand with a stable radical form for the construction of magnetic coordination chains.
Crystal Growth Design 14, 4878–4881 (2014)

S. Chorazy, R. Podgajny, W. Nogas, W. Nitek, M. Koziel, M. Rams, E. Juszynska-Galazka, J. Zukrowski, C. Kapusta, K. Nakabayashi, T. Fujimoto, S. Ohkoshi, B. Sieklucka.
Charge transfer phase transition with reversed thermal hysteresis loop in the mixed-valence Fe-9[W(CN)(8)](6) xMeOH cluster.
Chem. Commun. 50, 3484–3487 (2014)

J.Werner, M. Rams, Z. Tomkowicz, C. Näther.
A Co(II) thiocyanato coordination polymer with 4-(3-phenylpropyl)pyridine: the influence of the co-ligand on the magnetic properties.
Dalton Trans. 43, 17333–17342 (2014)

S. Woehlert, Z. Tomkowicz, M. Rams, S.G. Ebbinghaus, L. Fink, M.U. Schmidt, C. Näther.
Influence of the co-ligand on the magnetic and relaxation properties of layered cobalt(II) thiocyanato coordination polymers.
Inorg. Chem. 53, 8298–8310 (2014)

R. Podgajny, D. Pinkowicz, B. Czarnecki, M. Kozieł, S. Chorazy, M. Wis, W. Nitek, M. Rams, Sieklucka B.
Role of pyrazine-N,N'-dioxide in [W(CN)8]n- -based hybrid networks: anion-pi interactions.
Crystal Growth Design 14, 4030–4040 (2014)

A.M. Majcher, K. Rode, J.M.D. Coey, P. Stamenov,
Magnetic, transport, and structural properties of SrRuO3 thin films
J. Appl. Phys. 115 (2014) 17C735

  • 2013

S. Woehlert, T. Fic, Z. Tomkowicz, S.G. Ebbinghaus, M. Rams, W. Haase, C. Näther.
Structural and magnetic studies of a new Co(II) thiocyanato coordination polymer showing slow magnetic relaxations and a metamagnetic transition.
Inorg. Chem. 52, 12947–12957 (2013)

S. Chorazy, R. Podgajny, W. Nitek, M. Rams, S. Ohkoshi, B. Sieklucka.
Supramolecular chains and coordination nanowires constructed of high-spin (Co9WV6)-WII Clusters and 4,4'-bpdo Linkers.
Cryst. Growth & Design 13, 3036–3045 (2013)

S. Chorazy, R. Podgajny, W. Nitek, T. Fic, E. Goerlich, M. Rams, B. Sieklucka.
Natural and magnetic optical activity of 2-D chiral cyanido-bridged Mn-II-Nb-IV molecular ferrimagnets.
Chem. Commun. 49, 6731–6733 (2013)

S. Wohlert, M. Wriedt, T. Fic, Z. Tomkowicz, W. Haase, C. Näther.
Synthesis, Crystal Structure, and Magnetic Properties of the Coordination Polymer [Fe(NCS)(2)(1,2-bis(4-pyridyl)-ethylene)](n) Showing a Two Step Metamagnetic Transition.
Inorg. Chem. 52, 1061 (2013)

M. Mlynarczyk, K. Szot, U. Poppe, U. Breuer, S. Mi, B. Psiuk, E.A. Goerlich, K. Tomala, R. Waser.
Structural stratification of Sr1-xCaxRuO3 thin films: Influence of aging process.
Phys. Stat. Sol. A 210, 1862 (2013)

R. Podgajny, S. Chorazy, W. Nitek, M. Rams, A.M. Majcher, B. Marszałek, J. Zukrowski, C. Kapusta, B. Sieklucka.
Co–NC–W and Fe–NC–W Electron-Transfer Channels for Thermal Bistability in Trimetallic Fe6Co3[W(CN)8]6 Cyanido-Bridged Cluster.
Angewandte Chemie Inter. Ed. 52, 896–900 (2013)

S. Chorazy, R. Podgajny, A.M. Majcher, W. Nitek, M. Rams, E.A. Suturina, L. Ungur, L.F. Chibotaru, B. Sieklucka.
Magnetic anisotropy of CoII–WV ferromagnet: single crystal and ab initio study.
CrystEngComm 15, 2378 (2013)

O. Stefanczyk, A.M. Majcher, M. Rams, W. Nitek, M. Koziel, W. Lasocha, B. Sieklucka.
Incorporation of guanidinium ions between CuII-[MV (CN)8]3− double layers magnetic system.
Dalton Trans. 42, 5042 (2013)

  • 2012 (selected)

Z. Tomkowicz, M. Rams, M. Balanda, S. Foro, H. Nojiri, Y. Krupskaya, V. Kataev, B. Buechner, S. K. Nayak, J. V. Yakhmi, W. Haase.
Slow Magnetic Relaxations in Manganese(III) Tetra(meta-fluorophenyl)porphyrin-tetracyanoethenide. Comparison with the Relative Single Chain Magnet ortho Compound.
Inorg. Chem. 51, 9983–9994 (2012)

Z. Tomkowicz, S. Ostrovsky, S. Foro, V. Calvo-Perez, W. Haase.
Magnetooptical and structural investigations of five dimeric cobalt(II) complexes mimicking metalloenzyme active sites.
Inorg. Chem. 51, 6046 (2012)

D. Pinkowicz, M. Rams, W. Nitek, B. Czarnecki, B. Sieklucka.
Evidence for magnetic anisotropy of [Nb-IV(CN)(8)](4-) in a pillared-layered Mn2Nb framework showing spinflop transition.
Chem. Commun. 48, 8323–8325 (2012)

B. Nowicka, K. Stadnicka, W. Nitek, M. Rams, B. Sieklucka.
Geometrical isomerism in pentadecanuclear high-spin Ni9W6 clusters with symmetrical bidentate ligands detected.
CrystEngComm 20, 6559–6564 (2012)

O. Stefanczyk, R. Podgajny, T. Korzeniak, M. Rams, M. Koziel, W. Lasocha, D. Zajac, B. Sieklucka.
X-ray absorption spectroscopy study of novel inorganic-organic hybrid ferromagnetic Cu-pyz-[M(CN)8]3- assemblies.
Inorg. Chem. 51, 11722–9 (2012)

W.L. Boncher, E.A. Goerlich, K. Tomala, J.L. Bitter, S. Stoll.
Valence and magnetic investigations of alkali metal-doped europium sulfide.
Chem. Mater. 24, 4390 (2012)

  • 2008-2011 (selected)

D. Pinkowicz, R. Podgajny, W. Nitek, M. Rams, A.M. Majcher, T. Nuida, S. Ohkoshi, B. Sieklucka.
Multifunctional magnetic molecular {[MII(urea)2(H2O)]2 [NbIV (CN)8]}n system: magnetization-induced SHG in the chiral polymorph.
Chem. Mater. 23, 21–31 (2011)

M. Rams, A. Zarzycki, A. Pikul, K. Tomala.
Magnetic order and crystal field in Dy2Ru2O7 and Yb2Ru2O7.
J. Magn. Magn. Mater. 323, 1490–1494 (2011).

G. Schwarz, Y. Bodenthin, Z. Tomkowicz, W. Haase, T. Geue, J. Kohlbrecher, U. Pietsch, D.G. Kurth.
Tuning the structure and the magnetic properties of metallo-supramolecular polyelectrolyte-amphiphile complexes.
J. Amer. Chem. Soc. 133, 547 (2011)

Z. Tomkowicz, S. Ostrovsky, H. Mueller-Bunz, A. J. Hussein Eltmimi, M. Rams, D. A. Brown, W. Haase.
Extended triple-bridged Ni(II)- and Co(II)-hydroxamate trinuclear complexes: Synthesis, crystal structures, and magnetic properties.
Inorg. Chem. 47, 6956–6963 (2008).

M. Rams, M. Kruzel, A. Zarzycki, K. Królas, K. Tomala.
Orbital ordering in Ca2RuO4 investigated by 99Ru perturbed angular correlation.
Phys. Rev. B 80, 045119 (2009).

M. Rams, R. Kmiec, M. Kruzel, Z. Swiatkowska, J. Gurgul, K. Królas, K. Tomala.
99Ru perturbed angular correlation and Mossbauer effect investigations of SrRuO3 and CaRuO3.
J. Alloys Compounds 471, 5–10 (2009).