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

unics.uni.hannover.de

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

1


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).

2


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).

3


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

4


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,

5


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).

6


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).

7


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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