Inhaltspezifische Aktionen

Publikationen

62. E. Celik*, P.Cop, R.S. Negi, A. Maziklin, Y. Ma, P. Klement, J. Schörmann, S. Chatterjee, T. Brezesinski, M.T. Elm*, “Design of Ordered Mesoporous CeO2-YSZ Nanocomposite Thin Films with Mixed Ionic/Electronic Conductivity via Surface Engineering” ACS Nano, 16, 3182 (2022), doi.org/10.1021/acsnano.1c11032
61. J. Zahnow, M. Bastianello, J. Janek, M.T. Elm*, “Defect Chemistry of Individual Grains with and without Grain Boundaries of Al-doped Ceria Determined Using Well-defined Microelectrodes”, J. Phys. Chem. C 126, 2737 (2022), doi.org/10.1021/acs.jpcc.1c07942
60. J. Zahnow, M. Bastianello, J. Janek, M.T. Elm*, “Defect Chemistry of Individual Grains with and without Grain Boundaries of Al-doped Ceria Determined Using Well-defined Microelectrodes”, J. Phys. Chem. C 126, 2737 (2022), doi.org/10.1021/acs.jpcc.1c07942
59. R.S. Negi, Y. Yusim, R. Pan*, S. Ahmad, K. Volz, R. Takata, F. Schmidt, A. Henss, M.T. Elm*, “A Dry‐Processed Al2O3/LiAlO2 Coating for Stabilizing the Cathode/Electrolyte Interface in High‐Ni NCM‐Based All‐Solid‐State Batteries” Adv. Mater. Interfaces 92101428 (2022), doi.org/10.1002/admi.202101428
58. R.S. Negi, P. Minnmann, R. Pan, S. Ahmad, Kerstin Volz, R. Takata, F. Schmidt, J. Janek, M.T. Elm*, “Stabilizing the cathode/electrolyte interface with dry-processed lithium titanate coating for all-solid-state-batteries“ Chem. Mater. 33, 6713 (2021), doi.org/10.1021/acs.chemmater.1c01123
57. J.K. Eckhardt, S. Burkhardt, J. Zahnow, M.T. Elm, J. Janek, P.J. Klar, C. Heiliger*, “Understanding the Impact of Microstructure on Charge Transport in Polycrystalline Materials Through Impedance Modelling”, J. Electrochem. Soc. 168, 090516 (2021), doi.org/10.1149/1945-7111/ac1cfe
56. P. Klement, D. Anders, L. Gümbel, M. Bastianello, F. Michel, J. Schörmann, P.J. Klar, M.T. Elm, C. Heiliger, S. Chatterjee*, “Surface Diffusion Control Enables Tailored Aspect Ratio Nanostructures in Area-Selective Atomic Layer Deposition“ ACS Appl. Mater. Interfaces, (2021), doi.org/10.1021/acsami.0c22121
55. E. Celik, Y. Ma, T. Brezesinski*, M.T. Elm*, “Polymer-templated Mesostructured Metal Oxides for Electrochemical Applications – Correlation between Morphology, Electrical Properties and Functionality“ Phys. Chem. Chem. Phys., (2021), doi.org/10.1039/D1CP00834J
54. R.S. Negi, E. Celik, R. Pan, R. Stäglich, J. Senker, M.T. Elm*, “Insights into the positive effect of post-annealing on the electrochemical performance of Al2O3 coated Ni-Rich NCM cathode for lithium-ion batteries” ACS Appl. Energy Mater., (2021), doi.org/10.1021/acsaem.0c03135
53. H. Hemmelmann, J. Dinter, M.T. Elm*, “Thin film NCM cathodes as model systems to assess the influence of coating layers on the electrochemical performance of lithium ion batteries”, Adv. Mater. Interface (2021), doi.org/10.1002/admi.202002074
                                                  
52. N. Neugebauer, T. Hache, M.T. Elm, D.M. Hofmann, C. Heiliger, H. Schultheiss, P.J. Klar*, “Frequency- and magnetic-field-dependent properties of ordered magnetic nanoparticle arrangements”, Phys. Rev. B 103, 094438 (2021), doi.org/10.1103/PhysRevB.103.094438
51. A. Konetschny, M. Weinhold, C. Heiliger, M.T. Elm*, P.J. Klar*, “Polarization-dependence of the Raman response of strained Ce0.8Gd0.2O2 membranes”, Phys. Chem. Chem. Phys. 23, 6903 (2021), doi.org/10.1039/D1CP00176K
50. R. S. Negi, S. P. Culver, M. Wiche, S. Ahmed, K. Volz, M.T. Elm*, “Optimized atomic layer deposition of homogeneous, conductive Al2O3 coatings for high-nickel NCM containing ready-to-use electrodes”, Phys. Chem. Chem. Phys. 23, 6725 (2021), doi.org/10.1039/D0CP06422J
49.

J. Zahnow, T. Bernges, A.C. Wagner, N. Bohn, J.R. Binder, W.G. Zeier, M.T. Elm*, J. Janek*, “From microstructure to lattice changes – An in-depth study on the charge transport in NCM-111” ACS Appl. Energy Mater. 4, 1335 (2021), doi.org/10.1021/acsaem.0c02606

48.

P. Cop, E. Celika, K. Hess, Y. Moryson, M.T. Elm*, B.M. Smarsly*, “Atomic Layer Deposition of Defined Thin CeO2 Layers in Ordered ZrO2 Films and Their Impact on the Ionic/Electronic Conductivity”, ACS Appl. Nano Mater. 3, 10757 (2020), doi.org/10.1021/acsanm.0c02060

47. K. Michel, T.S. Bjørheim, T. Norby, J. Janek, M.T. Elm*, “Importance of the Spin–Orbit Interaction for a Consistent Theoretical Description of Small Polarons in Pr-Doped CeO2“, J. Phys. Chem. C 124, 15831 (2020), doi.org/10.1021/acs.jpcc.0c05352
46. R.S. Negi, S.P. Culver, A. Mazilkin, T. Brezesinski, M.T. Elm*, “Enhancing the electrochemical performance of LiNi0.70Co0.15Mn0.15O2 cathodes using a practical solution-based Al2O3 coating”, ACS Appl. Mater. Interfaces 12, 31392 (2020), doi.org/10.1021/acsami.0c06484
45. R. Ruess, S. Schweidler, H. Hemmelmann, G. Conforto, A. Bielefeld, D.A. Weber, J. Sann, M.T. Elm, J. Janek*, “Influence of NCM Particle Cracking on Kinetics of Lithium-Ion Batteries with Liquid or Solid Electrolyte” J. Electrochem. Soc. 167, 100532 (2020), doi.org/10.1149/1945-7111/ab9a2c
44. P. Uredat, M.T. Elm, P.J. Klar, S. Hara*, “Transport Properties of InAs Nanowires: Introduction to MnAs/InAs Heterojunction Nanowires for Spintronics”, J. Phys. D: Appl. Phys. 53, 333002 (2020), doi.org/10.1088/1361-6463/ab88e8
43. E. Celik, R.S. Negi, M. Bastianello, A. Maziklin, T. Brezesinski, M.T. Elm*, “Tailoring the protonic conductivity of porous yttria-stabilized zirconia thin films by surface modification”, Phys. Chem. Chem. Phys. 22, 11519 (2020), doi.org/10.1039/D0CP01619E
42. M. Zscherp, J. Glaser, C. Becker, A. Beyer, J. Schörmann, K. Volz, M.T. Elm*, “Epitaxial Growth and Structural Characterization of Ceria Deposited by Atomic Layer Deposition on High-Surface Porous Yttria-Stabilized Zirconia Thin Films” Crys. Growth Des. 20, 2194 (2020), doi.org/10.1021/acs.cgd.9b01112
41. N. Neugebauer*, A. Fabian, M.T. Elm, D.M. Hofmann, M. Czerner, C. Heiliger, P.J. Klar, “Investigation of the dipole interaction in and between ordered arrangements of magnetic nanoparticles”, Phys. Rev. B 101, 104409 (2020), doi.org/10.1103/PhysRevB.101.104409
40. P. Uredat*, R. Kodaira, R. Horiguchi, S. Hara, A. Beyer, K. Volz, P.J. Klar, M.T. Elm, “Anomalous Angle-Dependent Magnetotransport Properties of Single InAs Nanowires” Nano Lett. 20, 618 (2020), doi.org/10.1021/acs.nanolett.9b04383
39. S. Hara*, M.T. Elm, P.J. Klar, "Selective-Area Growth and Transport Properties of MnAs/InAs Heterojunction Nanowires" J. Mater. Res. 34, 3863 (2019), doi.org/10.1557/jmr.2019.333
38. L.A. Dubraja*, D. Boll, C. Reitz, D. Wang, D. Belić, A. Mazilkin, B. Breitung, H. Hahn, M.T. Elm, T. Brezesinski*, “Thin Films of Thermally Stable Ordered Mesoporous Rh2O3(I) for Visible-Light Photocatalysis and Humidity Sensing” ACS Appl. Nano Mater. 2, 7126 (2019)
37. M. Bastianello, S. Gross, M.T. Elm*, “Thermal stability, electrochemical and structural characterization of hydrothermally synthesised cobalt ferrite (CoFe2O4)” RCS Advanced 9, 33282 (2019), doi.org/10.1039/C9RA06310B
36. S. Burkhardt, M.S. Friedrich, J.K. Eckhardt, A.C. Wagner, N. Bohn, J.R. Binder, L. Chen, M.T. Elm, J. Janek, P.J. Klar*, “Charge Transport in Single NCM Cathode Active Material Particles for Lithium-Ion Batteries Studied Under Well-Defined Contact Conditions”, ACS Energy Lett. 4, 2117 (2019), doi.org/10.1021/acsenergylett.9b01579
35. R.A. Henning, R.A. Henning, P. Uredat, C. Simon, A. Bloesser, M.T. Elm, R. Marschall*, “Characterization of MeFe2O4 (Me = Mg, Zn) Thin Films Prepared by Pulsed Laser Deposition for Photoelectrochemical Applications”, J. Phys Chem. C 123, 18240 (2019), doi.org/10.1021/acs.jpcc.9b04635
34 P. Uredat*, P. Hille, J. Schörmann, M. Eickhoff, P.J. Klar, M.T. Elm, “Consistent description of mesoscopic transport: Case study of current-dependent magnetoconductance in single GaN:Ge nanowires” Phys. Rev. B 100, 0085409 (2019), doi.org/10.1103/PhysRevB.100.085409
33. A. Fabian*, M. Czerner, C. Heiliger, M.T. Elm, D.M. Hofmann, P.J. Klar, “Domain formation in rectangular magnetic nanoparticle assemblies” Phys. Rev. B 98, 054401 (2018), doi.org/10.1103/PhysRevB.98.054401
32. E. Güneş, M.T. Elm*, P.J. Klar*, M.S. Wickleder, E. Müller, “Improved thermoelectric properties of nanostructured composites out of Bi1-xSbx nanoparticles and carbon phases”, AIP Advances 8, 075319 (2018), doi.org/10.1063/1.5034525
31. E. Güneş, B. Landschreiber, G. Homm, C. Wiegand, P. Tomeš, C. Will, M.T. Elm*, S. Paschen, P.J. Klar, S. Schlecht, M.S. Wickleder*, “Structure and thermoelectric properties of nanostructured Bi1-xSbx alloys synthesized by mechanical alloying”, J. Electron. Mater. 47, 6007 (2018), doi.org/10.1007/s11664-018-6487-z
30. J.P. Parras, A.R. Genreith-Schriever, H. Zhang, M.T. Elm, T. Norby, R.A. De Souza*, “Is ReO3 a mixed ionic–electronic conductor? A DFT study of defect formation and migration in a BVIO3 perovskite-type oxide”, Phys. Chem. Chem. Phys. 20, 8008 (2018),
doi.org/ 10.1039/C7CP08214B
29. J.J. Neumeier, M.T. Elm, B. Luerßen, J. Janek, “Platinum microelectrodes on gadolinia doped ceria single crystals – bulk properties and electrode kinetics”, Phys. Chem. Chem. Phys. 20, 8294 (2018),
doi.org/10.1039/C8CP00261D
28. S. Burkhardt, M.T. Elm, B. Lani-Wayda, P.J. Klar, “In-situ Monitoring of Lateral Hydrogen Diffusion in Amorphous and Polycrystalline WO3 Thin Films“, Adv. Mater. Interfaces, 5, 1701587 (2018),
doi.org/10.1002/admi.201870026
27. E. Günes, F. Gundlach, M.T. Elm, P.J. Klar, S. Schlecht, M. Wickleder, E. Müller, “Nanostructured composites of Bi1-xSbx nanoparticles and carbon nanotubes and the characterization of their thermoelectric properties”, ACS Appl. Mater. Interfaces 9, 44756, (2017), doi:10.1021/acsami.7b17768
26. K. Michel, J.-P. Eufinger, M.T. Elm, G. Ulbrich, M. Lerch, J. Janek, “Combining two redox active rare earth elements for oxygen storage – electrical properties and defect chemistry of ceria-praseodymia single crystals”, Phys. Chem. Chem. Phys. 19, 17661, (2017), doi:10.1039/C7CP03164E
25. A. Fabian, M.T. Elm, D.M. Hofmann, P.J. Klar, “Hierarchical structures of magnetic nanoparticles for controlling magnetic interactions on different length scales”, J. Appl. Phys. 121, 224303 (2017), doi:10.1063/1.4983849
24.

J. Yue, C. Suchomski, P. Voepel, R. Ellinghaus, M. Rohnke, T. Leichtweiss, M.T. Elm, B.M. Smarsly, “Mesoporous Niobium-doped Titanium Dioxide Films from the Assembly of Crystalline Nanoparticles: on the Relationship between Band Structure, Conductivity and Charge Storage Mechanism”, J. Mater. Chem. A 5, 1978 (2017), doi:10.1039/C6TA06840E

23. S. Sakita, S. Hara, M.T. Elm, P.J. Klar, “Selective-area growth and magnetic characterization of MnAs/AlGaAs nanoclusters on insulating Al2O3 layers crystallized on Si(111) substrates”, Appl. Phys. Lett. 108, 043108 (2016), doi:10.1063/1.4941082
22. M.T. Elm, P. Uredat, J. Binder, L. Ostheim, M. Schäfer, P. Hille, J. Müßener, J. Schörmann, M. Eickhoff, P.J. Klar, “Doping induced universal conductance fluctuations in GaN nanowires”, Nano Lett. 15, 7822 (2015), doi:10.1021/acs.nanolett.5b02332
21. M. Fischer, M.T. Elm, H. Kato, S. Sakita, S. Hara, P.J. Klar, “Analysis of magnetic random telegraph noise in individual arrangements of a small number of coupled MnAs nanoclusters“, Phys. Rev. B 92, 165306 (2015), doi:10.1103/PhysRevB.92.165306
20. M.T. Elm, J. D. Hofmann, S. Suchomski, J. Janek, T. Brezesinski, “Ionic conductivity of mesostructures yttria-stabilized zirconia thin films with cubic pore symmetry – On the influence of water on the surface oxygen ion transport”, ACS Appl. Mater. Interfaces 7, 11792 (2015), doi:10.1021/acsami.5b01001
19. S. Darmawi, S. Burkhardt, T. Leichtweiss, D.A. Weber, S. Wenzel, J. Janek, M.T. Elm, P.J. Klar, “Correlation of electrochromic properties and oxidation states in nanocrystalline tungsten trioxide”, Phys. Chem. Chem. Phys. 17, 15903 (2015), doi:10.1039/C5CP02482J
18. M.T. Elm, G. Homm, “Rohstoffe: Auf der Suche nach dem Zweitbesten”, Nachrichten aus der Chemie 63, 315 (2015), doi:10.1002/nadc.201590094
17. M. Schäfer, M. Günther, C. Länger, P. Uredat, M.T. Elm, M. Feneberg, P. Hille, J. Schörmann, J. Teubert, T. Henning, P.J. Klar, M. Eickhoff, “Electrical properties of Ge-doped GaN nanowires“, Nanotechnology 26, 135704 (2015), doi:10.1088/0957-4484/26/13/135704
16. M. Fischer, M.T. Elm, S. Sakita, S. Hara, P. J. Klar, “Magnetoresistance effects and spin-valve like behavior of an arrangement of two MnAs nanoclusters”, Appl. Phys. Lett. 106, 032401 (2015), doi:10.1063/1.4906036
15. M.T. Elm, S. Hara, “Transport Properties of Hybrids with Ferromagnetic MnAs Nanoclusters and Their Potential for New Magnetoelectronic Devices”, Adv. Mater. 26, 8079 (2014), doi:10.1002/adma.201403136
14. C. Uhlig, E. Günes, A.S. Schulz, M.T. Elm, P.J. Klar, S. Schlecht, “Nanosclae FeS2 (Pyrite) as Sustainable Thermoelectric Material“, J. Electron. Mater., 43, 2362 (2014), doi:10.1007/s11664-014-3065-x
13. E. Günes, B. Landschreiber, D. Hartung, M.T. Elm, C. Rohner, P.J. Klar, S. Schlecht, “Effect of Bismuth Nanotubes on the Thermoelectric Properties of BiSb Alloy Nanocomposites“, J. Electron. Mater. 43, 2127 (2014), doi:10.1007/s11664-014-2989-5
12. C.H. Will, M.T. Elm, P.J. Klar, B. Landschreiber, E. Günes, S. Schlecht, “Effect of nanostructuring on the band structure and the galvanomagnetic properties in Bi1-xSbx alloys“, J. Appl. Phys. 114, 193707 (2013), doi:10.1063/1.4831675
11. M.T. Elm, P.J. Klar, S. Ito, S. Hara and H.-A. Krug von Nidda, “Effect of the cluster magnetization on the magnetotransport at low temperatures in ordered arrays of MnAs nanoclusters on (111)B GaAs”, Phys. Rev. B 84, 035309 (2011), doi:10.1103/PhysRevB.84.035309
10. M.T. Elm, P.J. Klar, S. Ito, and S. Hara, “Influence of ordered arrangements of cluster chains on the hopping transport in GaAs:Mn/MnAs hybrids at low temperatures”, Phys. Rev. B 83, 235305 (2011), doi:10.1103/PhysRevB.83.235305
9. M. Piechotka, M.T. Elm, T. Henning, B. Szyszka, B.K. Meyer, and P.J. Klar, “Transport properties of microstructured MF-sputtered Zn0.98Al0.02O”, Phys. Stat. sol. (c) 7, 1580 (2010), doi:10.1002/pssc.200983168
8. M.T. Elm, C. Michel, J. Stehr, D. M. Hofmann, P.J. Klar, S. Ito, S. Hara, and H.-A. Krug von Nidda, “Comparison of the magnetic properties of GaInAs/MnAs and GaAs/MnAs hybrids with random and ordered arrangements of MnAs nanoclusters”, J. Appl. Phys. 107, 093710 (2010), doi:10.1063/1.3275427
7. C. Knies, M.T. Elm, P.J. Klar, J. Stehr, D.M. Hofmann, N. Romanov, T. Kammermeier and A. Ney, “Nonferromagnetic nanocrystalline ZnO:Co thin films doped with Zn interstitials”, J. Appl. Phys. 105, 073918 (2009), doi:10.1063/1.3095469
6. M.T. Elm, T. Henning, P.J. Klar and B. Szyszka, “Effects of artificially structured micrometer holes on the transport behaviour of Al-doped ZnO layers”, Appl. Phys. Lett. 93, 232101 (2008), doi:10.1063/1.3040312
5. C. Michel, M.T. Elm, B. Goldlücke, S.D. Baranovskii, P. Thomas, W. Heimbrodt and P.J. Klar, “Tailoring the magnetoresistance of MnAs/GaAs:Mn granular hybrid nanostructures”, Appl. Phys. Lett. 92, 223119 (2008), doi:10.1063/1.2937128
4. M.T. Elm , P. J. Klar, W. Heimbrodt, U. Wurstbauer, M. Reinwald, W. Wegscheider, “Annealing-induced transition from a (311)A-oriented Ga0.98Mn0.02As alloy to a GaMnAs/MnAs hybrid structure studied by angle-dependent magnetotransport”, J. Appl. Phys. 103, 9 (2008), doi:10.1063/1.2917414
3. C. Michel, M.T.  Elm, S. D. Baranovskii, P. Thomas, W. Heimbrodt, B. Goldlücke and P.J. Klar, “Influence of non-random incorporation of Mn ions on the magnetotransport properties of Ga1-xMnxAs alloys”, Phys. Stat. Sol. (c) 5, 819, (2008), doi:10.1002/pssc.200777573
2. C. Michel, S.D. Baranovskii, P. Thomas, W. Heimbrodt, M.T. Elm, P.J. Klar, B. Goldlücke, U. Wurstbauer, M. Reinwald and W. Wegscheider: “Quantitative modeling of the annealing-induced changes of the magnetotransport in Ga1-xMnxAs alloys”, J. Appl. Phys. 102, 073712, (2007), doi:10.1063/1.2786556
1. M.T. Elm, J. Teubert, P.J. Klar, W. Heimbrodt, C. Michel, P. Thomas and S. Baranovskii, “Transport study of the annealing-induced transition from Ga1-xMnxAs alloys to GaAs:Mn/MnAs hybrids, AIP Conference Proceedings 893, 1275 (2007), doi:10.1063/1.2730366