Dr. rer. nat. A. Feldhoff - Unics.uni-hannover.de

Publications
Dr. rer. nat. Armin Feldhoff
2008
64 Preparation and hydrogen permeation properties of Ba 0.5 Ce 0.95 Nd 0.05 O 3-δ
M. Cai, H. Luo, Z. Li, A. Feldhoff, J. Caro, H. Wang
Chinese Chemical Letters, doi: 10.1016/j.cclet.2008.06.054
63 Correlation of the formation and the decomposition of the BSCF perovskite
at intermediates temperatures
M. Arnold, Th.M. Gesing, J. Martynczuk, A. Feldhoff
Chemistry of Materials, 20, 5851-5858 (2008).
62 Influence of grain size on the oxygen permeation performance of
perovskite-type (Ba 0.5 Sr 0.5 )(Fe 0.8 Zn 0.2 )O 3-δ membranes
J. Martynczuk, M. Arnold, A. Feldhoff
Journal of Membrane Science, 322, 375-382 (2008).
61 The sol-gel synthesis of perovskites by an EDTA/citrate complexing
method involves nanoscale solid state reactions
A. Feldhoff, M. Arnold, J. Martynczuk, Th.M. Gesing, H. Wang
Solid State Sciences 10, 689-701 (2008).
60 Tuning the Li diffusivity of poor ionic conductors by mechanical treatment:
High Li conductivity of strongly defective LiTaO 3 nanoparticles
M. Wilkening, V. Epp, A. Feldhoff, P. Heitjans
Journal of Physical Chemistry C, 112, 9291-9300 (2008).
59 Grain boundaries as barrier for oxygen transport in perovskite-type
membranes
M. Arnold, J. Martynczuk, K. Efimov, H. Wang, A. Feldhoff
Journal of Membrane Science 316, 137-144 (2008).
58 Adsorption of oxalate on rutile particles in aqueous solutions: a
spectroscopic, electron-microscopic and theoretical study
C.B. Mendive, Th. Bredow, A. Feldhoff, M. Blesa, D. Bahnemann
Physical Chemistry Chemical Physics 10, 1960-1974 (2008).
57 Palladium(0) nanoparticles on glass-polymer composite materials as
recyclable catalysts: A comparison study on their use in batch and
continuous flow processes
K. Mennecke, R. Cecilia, T.N. Glasnov, S. Gruhl, C. Vogt, A. Feldhoff, M.A.
Larrubia Vargas, C.O. Kappe, U. Kunz, A. Kirschning
Advanced Synthesis & Catalysis 350, 717-730 (2008).
2007
56 The effect of grain size and grain boundary microstructure on the oxygen
permeation of perovskite-type membranes
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J. Martynczuk, H. Wang, A. Feldhoff
Proceedings of the 10 th ECerS Conference, Berlin, 17 to 21 June 2007, (ed. by
J.G. Heinrich, C. Aneziris), pp. 910-912, ISBN 3-87264-022-4, Göller Verlag,
Baden-Baden, Germany (2007).
55 In-situ study of the reaction sequence in the sol-gel synthesis of a
(Ba 0.5 Sr 0.5 )(Co 0.8 Fe 0.2 )O 3-δ perovskite by X-ray diffraction and transmission
electron microscopy
M. Arnold, H. Wang, J. Martynczuk, A. Feldhoff
Journal of the American Ceramic Society 90, 3651-3655 (2007).
54 Electrodeposited zinc oxide/phthacyanine films – an inorganic organic
hybrid system with highly variable composition
C. Boeckler, A. Feldhoff, T. Oekermann
Advanced Functional Materials 17, 3864-3869 (2007).
53 How (Ba 0.5 Sr 0.5 )(Fe 0.8 Zn 0.2 )O 3-δ and (Ba 0.5 Sr 0.5 )(Co 0.8 Fe 0.2 )O 3-δ perovskites
form via an EDTA/citric acid complexing method
J. Martynczuk, M. Arnold, H. Wang, J. Caro, A. Feldhoff
Advanced Materials 19, 2134-2140 (2007).
52 Freezing and melting transitions of liquids in mesopores with ink-bottle
geometry
A. Kholokhov, R. Valiullin, J. Kärger, F. Steinbach, A. Feldhoff
New Journal of Physics 9, 272 (2007).
51 Advanced Ba 0.5 Sr 0.5 Zn 0.2 Fe 0.8 O 3-δ perovskite-type ceramics as oxygen
selective membranes: Evaluation of the synthetic process
A. Feldhoff, J. Martynczuk, H. Wang
Progress in Solid State Chemistry 35, 339-353 (2007).
50 Magnetization enhancement in nanosized MgFe 2 O 4 prepared by
mechanosynthesis
V. Šepelák, I. Bergmann, D. Menzel, A. Feldhoff, P. Heitjans, F.J. Litterst, K.D.
Becker
Journal of Magnetism and Magnetic Materials 316, e764-e767 (2007).
49 Direct measurement size, three-dimensional shape, and specific surface
area of anatase nanocrystals
A. Feldhoff, C. Mendive, Th. Bredow, D. Bahnemann
ChemPhysChem 8, 805-809 (2007).
48 Proof of the ISS-concept for LTA and FAU membranes and their
characterization by extended gas permeation studies
M. Noack, P. Kölsch, A. Dittmar, M. Stöhr, G. Georgi, M. Schneider, U.
Dingerdissen, A. Feldhoff, J. Caro
Microporous and Mesoporous Materials 102, 1-20 (2007).
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47 Influence of CO 2 on the oxygen permeation performance and the
microstructure of perovskite-type (Ba 0.5 Sr 0.5 )(Co 0.8 Fe 0.2 )O 3-δ membranes
M. Arnold, H. Wang, A. Feldhoff
Journal of Membrane Science 293, 44-52 (2007).
46 Crystallization of indium tin oxide nanoparticles: From cooperative
behaviour to individuality
J. Ba, A. Feldhoff, D. Fattakhova-Rohlfing, M. Wark, M. Antonietti, M.
Niederberger
Small 3, 310-317 (2007).
45 Nanocrystalline Nickel Ferrite, NiFe 2 O 4 : Mechanosynthesis, Nonequilibrium
Cation Distribution, Canted Spin Arrangement, and Magnetic Behavior
V. Šepelák, I. Bergmann, A. Feldhoff, P. Heitjans, F. Krumeich, D. Menzel, F.J.
Litterst, S.J. Campbell K.D. Becker
Journal of Physical Chemistry C 111, 5026-5033 (2007).
44 SiO 2 nanotubes with nanodispersed Pt in the walls
C.H. Rüscher, I. Bannat, A. Feldhoff, L. Ren, M. Wark
Microporous and Mesoporous Materials 99, 30-36 (2007).
43 NMR and impedance studies of nanocrystalline and amorphous ion
conductors: lithium niobate as a model system
P. Heitjans, M. Masoud, A. Feldhoff, M. Wilkening
Faraday Discussions 134, 67-82 (2007).
2006
42 Transparent conducting films of indium tin oxide with 3D mesopore
architecture
D. Fattakhova-Rohlfing, T. Brezesinski, J. Rathousky, A. Feldhoff, T. Oekermann,
M. Wark, B. Smarsly
Advanced Materials 18, 2980-2983 (2006).
41 Role of the critical micelle concentration in the electrochemical deposition
of nanostructured ZnO films under utilization of amphiphilic molecules
C. Boeckler, T. Oekermann, A. Feldhoff, M. Wark
Langmuir 22, 9427-9430 (2006).
40 Détermination directe de la taille, la forme et la surface spécifique de
nanocristaux d’anatase
A. Feldhoff, C. Mendive, Th. Bredow, D. Bahnemann
Proceedings Matériaux 2006, Dijon, 13-17 Novembre 2006, DVD-ROM, ISBN
978-2-9528-1400-3.
39 Nonequilibrium cation distribution in nanocrystalline MgAl 2 O 4 spinel
studied by 27 Al magic-angle spinning NMR
V. Šepelák, S. Indris, I. Bergmann, A. Feldhoff, K.D. Becker, P. Heitjans
Solid State Ionics 177, 2487-2490 (2006).
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38 Evaluation of perovskites in hollow fibre and disk geometry in catalytic
membrane reactors and in oxygen separators
J. Caro, H.H. Wang, C. Tablet, A. Kleinert, A. Feldhoff, T. Schiestel, M. Kilgus, P.
Kölsch, S. Werth
Catalysis Today 118, 128-135 (2006).
37 Novel hollow fibre membrane reactor for the partial oxidation of methane
A. Kleinert, A. Feldhoff, T. Schiestel, J. Caro
Catalysis Today 118, 44-51 (2006).
36 Comparison and evaluation of two immobilisation techniques for task
specific onium salts (TSOS) in Mizoroki-Heck cross coupling reactions
Ch. Brochwitz, A. Feldhoff, U. Kunz, M. Vaultier, A. Kirschning
Letters in Organic Chemistry 3, 442-446 (2006).
35 Influence of processing conditions on the microstructure and function of
(Ba 0.5 Sr 0.5 )(Fe 0.8 Zn 0.2 )O 3-δ membranes
J. Martynczuk, H. Wang, M. Arnold, A. Feldhoff
Proceedings of the 9 th International Conference on Inorganic Membranes
(ICIM9), Lillehammer, 25.-29. July 2006, (ed. by R. Bredesen, H. Raeder), pp.
503-506, ISBN 978-82-14-04026-5, SINTEF, Blindern, Norway (2006).
34 Nonequilibrium cation distribution, canted spin arrangement, and
enhanced magnetization in nanosized MgFe 2 O 4 pepared by a one-step
mechanochemical route
V. Šepelák, A. Feldhoff, P. Heitjans, F. Krumeich, D. Menzel, F.J. Litterst, I.
Bergmann, K.D. Becker
Chemistry of Materials 18, 3057-3067 (2006).
33 Nonaqueous synthesis of uniform indium tin oxide nanocrystals and their
electrical conductivity in dependence of the tin oxide concentration
J. Ba, D. Fattakhova-Rohlfing, A. Feldhoff, T. Brezesinski, I. Djerdj, M. Wark, M.
Niederberger
Chemistry of Materials 18, 2848-2854 (2006).
32 Low-temperature preparation of crystalline nanoporous TiO 2 films by
surfactant-assisted anodic electrodeposition
K. Wessels, A. Feldhoff, M. Wark, J. Rathousky,T. Oekermann
Electrochemical and Solid-State Letters 9, C93-C96 (2006).
31 Interlayers in metal matrix composites: Characterisation and relevance for
the material properties
J. Woltersdorf, A. Feldhoff, J. Pippel,
Metal Matrix Composites: Custom-made Materials for Automotive and Aerospace
Engineering (ed. by K.U. Kainer), pp. 197-213, ISBN 3-527-31360-5, Wiley-VCH,
Weinheim (2006).
2005
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30 Electron microscopy study on the high-temperature oxidation of Si 3 N 4 -TiN
ceramics
A. Feldhoff, M.-F. Trichet, L. Mazerolles, M. Backhaus-Ricoult
Journal of the European Ceramic Society 25, 1733-1742 (2005).
29 Oxidation behaviour of Si 3 N 4 -TiN ceramics under dry and humid air at high
temperature
L. Mazerolles, A. Feldhoff, M.-F. Trichet, M. Backhaus-Ricoult
Journal of the European Ceramic Society 25, 1743-1748 (2005).
28 Investigation of phase structure, sintering, and permeability of perovskitetype
Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3-δ membranes
H. Wang, C. Tablet, A. Feldhoff, J. Caro
Journal of Membrane Science 262, 20-26 (2005).
27 A cobalt-free oxygen-permeable membrane based on the perovskite-type
oxide Ba 0.5 Sr 0.5 Zn 0.2 Fe 0.8 O 3-δ
H. Wang, C. Tablet, A. Feldhoff, J. Caro
Advanced Materials 17, 1785-1788 (2005).
26 Mechanosynthesis of spinel ferrite nanoparticles followed by Mössbauer
spectroscopy
V. Šepelák, I. Bergmann, A. Feldhoff, P. Heitjans, F.J. Litterst, K.D. Becker
Hyperfine Interactions 165, 81-87 (2005).
2004
25 Aufbau und katalytische Aktivität hierarchisch nano-strukturierter Oxid-
Katalysatoren – Teil 3: Einfluss der Calcinierungstemperatur auf Stabilität
und katalytisches Verhalten geträgerter V 2 O 5 -Katalysatoren
J.B. Stelzer, A. Feldhoff, J. Caro, M. Fait, D. Habel, E. Feike, H. Schubert
Chemie Ingenieur Technik 76 (8), 1086-1092 (2004).
24 Mechanical properties of electroconductive ceramic composites produced
by hot isostatic pressing
R. Klein, M. Desmaison-Brut, V. Medri, A. Feldhoff, J. Desmaison,
Key Engineering Materials 264-268, 881-884 (2004).
2003
23 High-temperature oxidation of Si 3 N 4 -TiN composites: Mechanisms and
kinetics
A. Feldhoff, M.-F.Trichet, L. Mazerolles, M. Backhaus-Ricoult
Proceedings 203 rd Meeting of the Electrochemical Society, Paris, 27 April to 2
May 2003, PV 2003-16, High Temperature Corrosion and Materials Chemistry IV
(ed. by E. Opila, P. Hou, T. Maruyama, B. Pieraggi, M. McNallan, D. Shifler, and
E. Wuchina), pp. 377 - 386, The Electrochemical Society, Pennington, NJ (2003).
22 High temperature oxidation behaviour of a hot isostatically pressed silicon
nitride-titanium diboride ceramic composite
M. Desmaison-Brut, R. Klein, A. Feldhoff, J. Desmaison,
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Proceedings 203 rd Meeting of the Electrochemical Society, Paris, 27 April to 2
May 2003, PV 2003-16, High Temperature Corrosion and Materials Chemistry IV
(ed. by E. Opila, P. Hou, T. Maruyama, B. Pieraggi, M. McNallan, D. Shifler, and
E. Wuchina), pp. 351 - 360, The Electrochemical Society, Pennington, NJ (2003).
21 High temperature oxidation of Si 3 N 4 -TiN composites in dry and humid air
A. Feldhoff, L. Mazerolles, M.F. Trichet, M. Backhaus-Ricoult,
Advances in Science and Technology, Vol. 30, Proceedings CIMTEC 2002 - 10 th
International Ceramics Congress & 3 rd Forum on New Materials, part A (ed. by P.
Vincenzini), pp. 283-290, Florence, 14-18 July 2002, Techna srl., Faenza (2003).
20 Grenzschichten in Metallmatrix-Compositen: Charakterisierung und
materialwissenschaftliche Bedeutung
J. Woltersdorf, A. Feldhoff, J. Pippel,
Metallische Verbundwerkstoffe (hrsg. von K.U. Kainer), S. 210-227, Wiley-VCH,
Weinheim (2003)
2002
19 Microstructure des couches d’oxydation de composites Si 3 N 4 -TiN oxydés
sous air sec ou humide
A. Feldhoff, M. Backhaus-Ricoult, M.F. Trichet, L. Mazerolles, M. Desmaison-
Brut, A. Bellosi
Proceedings Matériaux 2002, Tours, October 2002, CD-ROM, ISBN 2-914279-
08-6.
18 Rôle des interfaces lors de l’oxydation de composites céramiques de type
Si 3 N 4 -TiN et Si 3 N 4 -TiB 2
R. Klein, A. Feldhoff, M. Desmaison-Brut, M. Backhaus-Ricoult, J. Desmaison, N.
Falp
Proceedings Matériaux 2002, Tours, October 2002, CD-ROM, ISBN 2-914279-
08-6.
17 Optimierung von Grenzschichten in metallischen Compositen durch
abbildende und spektroskopische Hochauflösungstechniken
J. Woltersdorf, A. Feldhoff
Freiberger Forschungshefte E 3, 35-43 (2002).
2000
16 Review: Interface Engineering of Carbon-Fibre Reinforced Mg-Al Alloys
A. Feldhoff, E. Pippel, J. Woltersdorf
Advanced Engineering Materials 2 (8), 471-480 (2000).
15 TiN Coatings in C/Mg Composites: Microstructure, Nanochemistry and
Function
A. Feldhoff, E. Pippel, J. Woltersdorf
Philosophical Magazine A 80 (3), 659-672 (2000).
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14 Nanostructural Characterization of Ternary Carbides in Carbon-Fibre
Reinforced Mg-Al Matrices and Their Influence on The Composite
Properties
A. Feldhoff, E. Pippel, J. Woltersdorf
Proceedings of the Twelfth International Conference on Composite Materials
(ICCM-12), Paris, 5.-9. July 1999 (Chairmen: Th. Massard, A. Vautrin), on CD-
ROM, ISBN 2-9514526, 8 pages (January 2000).
13 The complex bonding of titanium nitride layers in C/Mg composites
revealed by ELNES features
J. Woltersdorf, A. Feldhoff, O. Lichtenberger
Crystal Research and Technology 35 (6-7), 653-661 (2000).
1999
12 Structure and Composition of Ternary Carbides in Carbon-Fibre Reinforced
Mg-Al Alloys
A. Feldhoff, E. Pippel, J. Woltersdorf
Philosophical Magazine A 79 (6), 1263-1277 (1999).
11 Carbon-Fibre Reinforced Magnesium Alloys: Nanostructure and Chemistry
of Interlayers and Their Effect on Mechanical Properties
A. Feldhoff, E. Pippel, J. Woltersdorf
Journal of Microscopy 196 (2), 185-193 (1999).
10 Bildung und Kristallographie ternärer Carbide in C/Mg-Al-Compositen und
ihr Einfluß auf die Verbundeigenschaften
J. Woltersdorf, A. Feldhoff, E. Pippel
Verbundwerkstoffe und Werkstoffverbunde (hrsg. von K. Schulte, K.U. Kainer), S.
147-152, Wiley-VCH, Weinheim, New York, (1999).
9 Titannitrid-Beschichtungen für Carbonfaser-verstärkte
Leichtmetallegierungen
J. Woltersdorf, A. Feldhoff, E. Pippel
Freiberger Forschungshefte B 297, 49-56 (1999).
1998
8 Beiträge zur Grenzschichtoptimierung im Metall-Matrix-Verbund Carbonfaser/Magnesium
A. Feldhoff
Dissertation, Martin-Luther-Universität Halle-Wittenberg (1997), Shaker Verlag,
Aachen (1998).
7 Nanoanalyse der Reaktionskinetik von Carbonfasern in
Magnesiumschmelzen zur Optimierung von Metallmatrixkompositen
J. Woltersdorf, A. Feldhoff, E. Pippel
Nichtmetalle in Metallen 98 (hrsg. von D. Hirschfeld), S. 105-112, GDMB
Informationsgesellschaft, Clausthal-Zellerfeld (1998).
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6 Formation, Composition and Effect of Carbides in C-Fibre Reinforced Mg-Al
Alloys
J. Woltersdorf, A. Feldhoff, E. Pippel
Erzmetall 51 (9), 616-621 (1998).
1997
5 Interface Reactions and Fracture Behaviour of Fibre-Reinforced Mg/Al
Alloys
A. Feldhoff, E. Pippel, J. Woltersdorf
Journal of Microscopy 185 (2), 122-131 (1997).
4 Reaction Layers in MMCs and CMCs: Structure, Composition and
Mechanical Properties
A. Hähnel, E. Pippel, A. Feldhoff, R. Schneider, J. Woltersdorf
Materials Science and Engineering A 237, 173-179 (1997).
3 Steuerung des Bruchverhaltens von C/Mg-Verbundwerkstoffen durch
Grenzflächenreaktionen
J. Woltersdorf, E. Pippel, A. Feldhoff
Verbundwerkstoffe und Werkstoffverbunde (hrsg. von K. Friedrich), S. 567-572,
DGM Informationsgesellschaft, Oberursel (1997).
2 Nanostructure and Mechanical Properties of Interlayers in Fibre-Reinforced
Composites
E. Pippel, J. Woltersdorf, A. Feldhoff, A. Hähnel
Proceedings of the First International Conference on Ceramic and Metal Matrix
Composites (CMMC 96), San Sebastian (Spain), 9.-12. Sept. 1996, Trans Tech
Publications, Switzerland, Key Engineering Materials 127-131, 575-582 (1997).
1995
1 The Effect of Aluminium Additions on Interfacial Microstructure and
Mechanical Properties of C/Mg Composites
O. Öttinger, C. Grau, R. Winter, R.F. Singer, A. Feldhoff, E. Pippel, J.Woltersdorf
Proceedings of the Tenth International Conference on Composite Materials
(ICCM-10), Whistler, Canada (ed. by A. Poursartip and K. Street), Vol. VI, pp.
447-454, Woodhead Publ. Ltd., Cambridge (1995).
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