Publications with data obtained in BSc and MSc projects (for a list of student's PhD, MSc, BSc theses see below):

2021

  • L. Spillecke, S. Tripathi, C. Koo, A. Bahr (MSc student), A. Swain, R. Halder, M. Ansari, J. Jasinski, G. Rajaraman, M. Shanmugam, R. Klingeler, Role of Coordination Geometry on the Magnetic Relaxation Dynamics of Isomeric Five-Coordinate Low-Spin Co(II) Complexes, Inorg. Chem 61, 317–327 (2021)
  • E. Thauer, G.S. Zakharova, L.F. Deeg (MSc student), Q.Zhu, R.Klingeler, Hierarchically structured V2O3/C microspheres: Synthesis, characterization, and their electrochemical properties, Electrochimica Acta 390, 138881 (2021)
  • M. Hoffmann (MSc student), K. Dey, J. Werner, R. Bag, J. Kaiser (BSc student), H. Wadepohl, Y. Skourski, M. Abdel-Hafiez, S. Singh, R. Klingeler, Magnetic phase diagram, magnetoelastic coupling and Grüneisen scaling in CoTiO3, Phys. Rev. B 104, 014429 (2021)
  • P. Comba, M. Enders, M. Großhauser, M. Hiller, R. Klingeler, C. Koo, D. Müller, G. Rajaraman, A. Swain, M. Tavhelidse (MSc student), H. Wadepohl, Validation of Ab-Initio-Predicted Magnetic Anisotropies and Magneto-structural Correlations in Linear Heterotrinuclear DyIII-NiII2 Compounds, Chem. Eur. J. 27, 9372–9382 (2021)
  • E. Thauer, G.S. Zakharova, E.I. Andreikov, V. Adam (MSc student), S.A. Wegener (BSc student), J.-H. Nölke (BSc student), A. Ottmann, D.M. Kiselkov, Q. Zhu, I.S. Puzyrev, N.V.  Podval'naya, R. Klingeler, Novel synthesis and electrochemical investigations of ZnO/C composites for lithium-ion batteries, Journal of Materials Science 56, 13227–13242 (2021)
  • R. Ohlendorf (BSc student), S. Spachmann, L. Fischer, K. Dey, D. Brunt, G. Balakrishnan, O. A. Petrenko, R. Klingeler, Magnetoelastic coupling and Grüneisen scaling in NdB4, Phys. Rev. B 103, 104424 (2021)
  • G.S. Zakharova, E. Thauer, A.N. Enyashin, L. F. Deeg (MSc student), Q. Zhu, R. Klingeler, V2O3/C composite fabricated by carboxylic acid-assisted sol-gel synthesis as anode material for lithium-ion batteries, Journal of Sol-Gel Science and Technology (2021)
  • P. Cieslik, P. Comba*, W. Hergett, R. Klingeler, G. Finn (BSc student), P. Plny, L. Spillecke, G. Velmurugan, Molecular magnetic properties of a dysprosium(III) complex coordinated to a nonadentate bispidine ligand, J of Inorganic and General Chemistry (Z. Anorg. Allg. Chem.) 647, 1–8 (2021)
  • G.S. Zakharova, L. Singer, Z.A. Fattakhova, Simon Wegener (BSc student), E. Thauer, Q. Zhu, E.V. Shalaeva, R. Klingeler, MoO2/C composites prepared by tartaric acid and glucose-assisted sol-gel processes as anode materials for Lithium-ion batteries, Journal of Alloys and Compounds, accepted
  • Elisa Thauer, Xiaoze Shi, Shuai Zhang, Xuecheng Chen, Lukas Deeg (MSc student), Rüdiger Klingeler, Karolina Wenelska, Ewa Mijowska, Mn3O4 Encapsulated in Hollow Carbon Spheres Coated by Graphene Layer for Enhanced Magnetization and Lithium-ion Batteries Performance, Energy 217, 119399 (2021)
  • E. Thauer, G.S. Zakharova, S.A. Wegener (BSc student), Q. Zhu, R. Klingeler, Sol-gel synthesis of Li3VO4/C composites as anode materials for lithium-ion batteries, Journal of Alloys and Compounds, 853 157364 (2021)

2020

  • Dibyata Rout, Sanchayeta Ranajit Mudi, Marco Hoffmann (MSc student), Sven Spachmann, Rüdiger Klingeler, and Surjeet Singh, Structural and physical properties of trilayer nickelates R4Ni3O10 (R = La, Pr, and Nd), Phys. Rev. B 102, 195144 (2020)
  • A. Koshelev, K. Zakharov, O. Volkova, L. Shvanskaya, Florian Theuss (MSc student), C. Koo, R. Klingeler, S. Kundu, S. Bachhar, A.V. Mahajan, P. Khuntia, S. Kamusella, H.-H. Klauss, D. Khanam, B. Rahaman, T. Saha-Dasgupta, A. Vasiliev*, Thermodynamic and resonant properties of mixed spin systems ACuFe2(VO4)3 (A = Li, Na), Journal of Alloys and Compounds 842, 155763 (2020)
  • Lucas Möller (MSc student), Elisa Thauer*, Alexander Ottmann, Lukas Deeg, Rasha Ghunaim, Silke Hampel, Rüdiger Klingeler, CoFe2O4-filled carbon nanotubes as anode material for lithium-ionbatteries, Journal of Alloys and Compounds 834 (2020) 155018
  • Elisa Thauer, Alexander Ottmann, Philip Schneider (BSc student), Lucas Möller (MSc student), Lukas Deeg (MSc student), Rouven Zeus (MSc student), Florian Wilhelmi (BSc student), Lucas Schlestein (BSc student), Christoph Neef, Rasha Ghunaim, Markus Gellesch, Christian Nowka, Maik Scholz, Marcel Haft, Sabine Wurmehl, Karolina Wenelska, Ewa Mijowska, Aakanksha Kapoor, Ashna Bajpai, Silke Hampel, Rüdiger Klingeler*, Filled carbon nanotubes as anode materials for Lithium-ion batteries (Invited Review), Molecules 25, 1064 (2020); doi:10.3390/molecules25051064

2019

  • The Complex Electronic Phase Diagram of Single-Crystalline R2PdSi3 (R = Ho, Dy) Studied by Thermal Expansion and Magnetostriction; Liran Wang, Binh Tran (MSc), Mingquan He, Christoph Meingast, Mahmoud Abdel-Hafiez, Chongde Cao, Holger Bitterlich, Wolfgang Löser, Rüdiger Klingeler, J. Phys. Soc. Jpn. 88, 094709 (2019)
  • Hydrothermal microwave-assisted synthesis of Li3VO4 as an anode for lithium-ion battery; G.S. Zakharova, E. Thauer, S.A. Wegener (BSc), J.-H. Nölke (BSc), Q. Zhu, R. Klingeler, J of Solid State Electrochemistry 23, 2205-2212 (2019), Paper, 2019
  • High-magnetic field phase diagram and failure of magnetic Grüneisen scaling in LiFePO4; J. Werner, S. Sauerland, C. Koo, C. Neef, A. Pollithy (BSc), Y. Skourski, R. Klingeler, Phys. Rev. B, 214432 (2019), Paper, 2019
  • The decisive role of magnetic anisotropy in honeycomb layered Li3Ni2SbO6 and Na3Ni2SbO6; J. Werner, W. Hergett (MSc), J.Park, C.Koo, E.A.Zvereva, A.N.Vasiliev, R.Klingeler, J. Magn. Magn. Mat. 481, 100 (2019), Paper, 2019
  • High-frequency EPR study on Cu4Cu- and Co4Co-metallacrown complexes, C. Koo, J. Park, J. Butscher (BSc), E. Rentschler, R. Klingeler, J. Magn. Magn. Mat. 477, 340 (2019), Paper, 2019
  • W. Hergett, M. Jonak (MSc), J. Werner, F. Billert (MSc), S. Sauerland, C. Koo, C. Neef, R. Klingeler, Synthesis and magnetism of a Li2FeSiO4 single crystal, J. Magn. Magn. Mat. 477, 1-3 (2019)

2018

  • Galina S. Zakharova, Christina Schmidt (MSc), Alexander Ottmann*, Ewa Mijowska, Rüdiger Klingeler, Microwave-assisted hydrothermal synthesis and electrochemical studies of α- and h-MoO3, Journal of Solid State Electrochemistry 22, 3651–3661 (2018)
  • G. S. Zakharova, A. Ottmann*, L. Möller (BSc), E. I. Andreikov, Z. A. Fattakhova, I. S. Puzyrev, Q. Zhu, E. Thauer, R. Klingeler, TiO2/C nanocomposites prepared by thermal annealing of titanium glycerolate as anode materials for lithium-ion batteries, J Mater Sci 53, 12244-12253 (2018)
  • C. Koo, J. Werner, M. Tzschoppe (BSc), M. Abdel-Hafiez, P. K. Biswas, R. Sarkar, H.-H. Klauss, G. V. Raganyan, E. A. Ovchenkov, A. Yu. Nikulin, A. N. Vasiliev, E. A. Zvereva, and R. Klingeler*, Magnetism and the phase diagram of MnSb2O6, Phys. Rev. B 97, 224416 (2018)
  • K.Wenelska*, A. Ottmann*, D. Moszy?ski, P. Schneider (BSc), R. Klingeler, E. Mijowska, Facile synthesis N-doped hollow carbon spheres from spherical solid silica, Journal of Colloid and Interface Science 511, 203-208 (2018)
  • L. Wang, J. Werner, A. Ottmann, R. Weis (BSc), M. Abdel-Hafiez, J. Sannigrahi, S. Majumdar, Ch. Koo, R. Klingeler*, Magnetoelastic coupling and ferromagnetic-type in-gap spin excitations in multiferroic α-Cu2V2O7, New J. Phys. 20, 063045 (2018)

2017

  • V.B. Nalbandyan*, E.A. Zvereva, I.L. Shukaev, E. Gordon, V.V. Politaev, M.-H. Whangbo, A.A. Petrenko, R.S. Denisov, M.M. Markina, M. Tzschoppe (BSC thesis 2016), R. Klingeler, A.N. Vasiliev, A2MnXO4 Family (A = Li, Na, Ag; X = Si, Ge): Structural and Magnetic Properties, Inorg. Chem. 56, 14023–14039 (2017)
  • A. Ottmann*, M. Scholz, M. Haft, E. Thauer (MSc thesis 2017), P. Schneider (BSc thesis 2015), M. Gellesch, C. Nowka, S. Wurmehl, S. Hampel, R. Klingeler*, Electrochemical Magnetization Switching and Energy Storage in Manganese Oxide filled Carbon Nanotubes, Scientific Reports 7, 13625 (2017), DOI:10.1038/s41598-017-14014-7
  • J. Werner, W. Hergett, M. Gertig (BSc thesis 2016), J. Park, C. Koo, R. Klingeler*, Anisotropy governed competition of magnetic phases in the honeycomb quantum magnet Na3Ni2SbO6 studied by dilatometry and high-frequency ESR, Phys. Rev. B 95, 214414 (2017)
  • G.S. Zakharova, A. Ottmann*, B. Ehrstein (BSc thesis 2015), A.P. Tyutyunnik, Q. Zhu, S. Lu, V.I. Voronin, A.N. Enyashin, R. Klingeler, A new polymorph of NH4V3O7: synthesis, structure, magnetic and electrochemical properties, Solid State Sciences 61, 225–231 (2016)

2016

A new polymorph of NH4V3O7: synthesis, structure, magnetic and electrochemical properties
G.S. Zakharova, A. Ottmann*, B. Ehrstein (BSc thesis 2015), A.P. Tyutyunnik, Q. Zhu, S. Lu, V.I. Voronin, A.N. Enyashin, R. Klingeler, Solid State Sciences 61, 225–231 (2016), Paper, 2016

A facile synthesis method and electrochemical studies of hierarchical structured MoS2/C-nanocomposite
Zhenyou Li, Alexander Ottmann, Elisa Thauer (MSc thesis 2017), Christoph Neef, Huazheng Sai, Qing Sun, Krzysztof Cendrowski, Hans-Peter Meyer, Yana Vaynzof, Ewa Mijowska, Junhui Xiang, and Rüdiger Klingeler, RSC Adv. 6, 76084-76092 (2016), Paper, 2016

Magnetic anisotropy and the phase diagram of chiral MnSb2O6
J. Werner (MSc thesis 2016), C. Koo, R. Klingeler*, A. N. Vasiliev, Y. A. Ovchenkov, A. S. Polovkova, G. V. Raganyan, and E. A. Zvereva, Phys. Rev. B 94, 104408 (2016), Paper, 2016

Static and Dynamic Magnetic Response of Fragmented Haldane-like Spin Chains in Layered Li3Cu2SbO6
C. Koo, E.A. Zvereva, I.L. Shukaev, M. Richter (BSc thesis 2014), M.I. Stratan, A.N. Vasiliev, V.B. Nalbandyan, R. Klingeler, J. Phys. Soc. Jpn. 85, 084702 (2016), Paper, 2016

1/3 magnetization plateau and frustrated ferrimagnetism in a sodium iron phosphite
A. N. Vasiliev, O. S. Volkova, E. A. Zvereva, E. A. Ovchenkov, I. Munaò, L. Clark, P. Lightfoot, E. L. Vavilova, S. Kamusella, H.-H. Klauss, J. Werner (MSc thesis 2016), C. Koo, R. Klingeler, A. A. Tsirlin, Phys. Rev. B 93, 134401, Paper, 2016

Microwave-assisted hydrothermal synthesis of NH4V3O8 microcrystals with controllable morphology
G.S. Zakharova, A. Ottmann, B. Ehrstein (BSc thesis 2015), R. Klingeler, Mat. Res. Bull. 83, 225-229 (2016), Paper, 2016

Hollow carbon sphere/metal oxide nanocomposites anodes for lithium-ion batteries
K. Wenelska, A. Ottmann, P. Schneider (BSC thesis 2015), E. Thauer (MSc thesis 2016), R. Klingeler, E. Mijowska, Energy 103, 100-106 (2016), Paper, 2016

2015

A. Ottmann, G.S. Zakharova, B. Ehrstein (BSc thesis 2015), R. Klingeler. Electrochemical performance of single crystal belt-like NH4V3O8 as cathode material for lithium-ion batteries. Electrochimica Acta 174, 682-687 (2015)

Carbon nanotubes decorated by mesoporous cobalt oxide as electrode material for lithium-ion batteries
K. Wenelska, C. Neef, L. Schlestein (B.Sc. thesis 2015), R. Klingeler, R.J. Kalenczuk, E. Mijowska, Chemical Physics Letters 635, 185–189 (2015), Paper, 2015

Structural, magnetic, and electrochemical properties of LiMn1-xNixPO4
A. Ottmann (M.Sc. thesis), C. Jähne, H.-P. Meyer, R. Klingeler, Materials Research Bulletin 63, 6–12 (2015), Paper, 2015

2014

Unusual spin fluctuations and magnetic frustration in olivine and non-olivine LiCoPO4 detected by 31P and 7Li nuclear magnetic resonance
S.H. Baek, R. Klingeler, C. Neef (M.Sc. thesis), C. Koo, B. Büchner, H.J. Grafe, Phys. Rev. B 89, 134424 (2014), Paper, 2014

Specific Heat of K0.71Na0.29Fe2As2 at Very Low Temperature. A. Reifenberger, M. Hempel, P. Vogt (M.Sc. U HD 2013), S. Aswartham, M. Abdel-Hafiez, V. Grinenko, S. Wurmehl, S.-L. Drechsler, A. Fleischmann, C. Enss, R. Klingeler, J Low Temp Phys 175, 755–763 (2014)

Growth, characterization, and magnetic properties of a Li(Mn,Ni)PO4 single crystal, K. Wang, A. Maljuk, C. Blum, T. Kolb (MSc 2013), C. Jähne, H.-J. Grafe, L. Giebeler, H.-P. Meyer, S. Wurmehl, R. Klingeler, Journal of Crystal Growth 386, 16-21 (2014)

2013

Evidence of d-wave superconductivity in K1−xNaxFe2As2 (x=0,0.1) single crystals from low-temperature specific-heat measurements
M. Abdel-Hafiez, .., P. Vogt (M.Sc. U HD 2013), A. Reifenberger, C. Enss, M. Hempel, R. Klingeler,S.L. Drechsler, Phys. Rev. B 87, 180507(R) (2013)

Morphology controlled NH4V3O8 microcrystals by hydrothermal synthesis.
Galina Z. Zakharova, Ch.Täschner, T. Kolb (diploma U Heidelberg 2013), C. Jähne, A. Leonhardt, B. Büchner, R. Klingeler, Dalton Transactions, 2013

A new LiCoPO4 polymorph via low temperature synthesis
Carsten Jähne, Christoph Neef (diploma U Heidelberg 2012), Changhyun Koo, Hans-Peter Meyer, Rüdiger Klingeler, Journal of Materials Chemistry A, 1(8), 2856-2862, Paper, 2013

A new layered triangular antiferromagnet Li4FeSbO6: spin order, field-induced transitions and anomalous critical behavior
E.A. Zvereva, O.A. Savelieva, Ya.D. Titov, M.A. Evstigneeva, V.B. Nalbandyan, C.N. Kao, J.-Y. Lin, I.A. Presniakov, A.V. Sobolev, S.A. Ibragimov, M. Abdel-Hafiez, Y. Krupskaya, C. Jähne, G. Tan (B.Sc. U de Manila), R. Klingeler, B. Büchner, A.N. Vasiliev, Dalton Trans. 42, 1550-1566 (2013)

Morphology and agglomeration control of LiMnPO4 micro- and nanocrystals
C. Neef (Diplom Physik U Heidelberg 2012), C. Jähne, H.-P. Meyer, R. Klingeler, Langmuir 29, 8054–8060 (2013)

2012

Superparamagnetic FeCo and FeNi Nanocomposites Dispersed in Submicron-Sized C Spheres
E. Ibrahim, S. Hampel, A.U.B. Wolter, M. Kath (BSc U Heidelberg 2011), A. El-Gendy, R. Klingeler, C. Täschner, V. Khavrus, T. Gemming, A. Leonhardt, B. Büchner, J. Phys. Chem. C 116, 22509–22517 (2012)

X. Chen, R. Klingeler,

Recently finished theses

Publications with data obtained in BSc and MSc projects (list of student's PhD, MSc, BSc theses see below):