Search Results - "Boyen, H. G"

Co-pyrolysis of chicken feathers and macadamia nut shells, a promising strategy to create nitrogen-enriched electrode materials for supercapacitor applications by Vercruysse, W., Muniz, R.R., Joos, B., Hardy, A., Hamed, H., Desta, D., Boyen, H.-G., Schreurs, S., Safari, M., Marchal, W., Vandamme, D.

“…[Display omitted] •Co-pyrolysis of chicken feathers and macadamia nutshells doubles nitrogen retention;•Co-pyrolysis does not decrease porosity…”
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Oxidation-Resistant Gold-55 Clusters by H. -G. Boyen, Kästle, C., Weigl, F., Koslowski, B., Dietrich, C., Ziemann, P., Spatz, J. P., Riethmüller, S., Hartmann, C., Möller, M., Schmid, G., Garnier, M. G., Oelhafen, P.

“…Gold nanoparticles ranging in diameter from 1 to 8 nanometers were prepared on top of silicon wafers in order to study the size dependence of their oxidation…”
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Nanostructured surfaces from size-selected clusters by Palmer, R. E, Pratontep, S, Boyen, H. -G

“…The deposition of ionized beams of size-selected atomic clusters onto well-defined substrates represents a new method of preparing nanostructured surfaces,…”
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An easy-to-fabricate low-temperature TiO2 electron collection layer for high efficiency planar heterojunction perovskite solar cells by Conings, B., Baeten, L., Jacobs, T., Dera, R., D’Haen, J., Manca, J., Boyen, H.-G.

“…Organometal trihalide perovskite solar cells arguably represent the most auspicious new photovoltaic technology so far, as they possess an astonishing…”
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Surface plasma pretreatment for enhanced diamond nucleation on AlN by Pobedinskas, P., Degutis, G., Dexters, W., Janssen, W., Janssens, S. D., Conings, B., Ruttens, B., D'Haen, J., Boyen, H.-G., Hardy, A., Van Bael, M. K., Haenen, K.

“…The surface of polycrystalline aluminum nitride (AlN) thin films is exposed to different gas discharge plasmas (N2, O2, and CF4) followed by a water-based…”
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Epitaxy of cubic boron nitride on (001)-oriented diamond by Boyen, H.-G, Zhang, X. W, Deyneka, N, Ziemann, P, Banhart, F, Schreck, M

“…Cubic boron nitride (c-BN), although offering a number of highly attractive properties comparable to diamond, like hardness, chemical inertness and a large…”
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Improved nanodiamond seeding on chromium by surface plasma pretreatment by Degutis, G., Pobedinskas, P., Boyen, H.-G., Dexters, W., Janssen, W., Drijkoningen, S., Hardy, A., Haenen, K., Van Bael, M.K.

“…•Surface plasma pretreatment of the Cr with CF4, O2 for enhanced nanodiamond seeding.•Enhanced nanodiamond-to-surface interaction through modified CrF3 and…”
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A New Approach to the Electrochemical Metallization of Organic Monolayers: Palladium Deposition onto a 4,4′-Dithiodipyridine Self-Assembled Monolayer by Baunach, T., Ivanova, V., Kolb, D. M., Boyen, H.-G., Ziemann, P., Büttner, M., Oelhafen, P.

“…Depositing metal layers onto a self‐assembled monolayer (SAM) is achieved using a new technique. Au(111) bearing a 4,4′‐dithiodipyridine SAM is immersed into a…”
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Heat-transfer based characterization of DNA on synthetic sapphire chips by Murib, M.S., Yeap, W.S., Eurlings, Y., van Grinsven, B., Boyen, H.-G., Conings, B., Michiels, L., Ameloot, M., Carleer, R., Warmer, J., Kaul, P., Haenen, K., Schöning, M.J., De Ceuninck, W., Wagner, P.

“…In this study, we show that synthetic sapphire (Al2O3), an established implant material, can also serve as a platform material for biosensors comparable to…”
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Metal deposition onto thiol-covered gold: Platinum on a 4-mercaptopyridine SAM by Manolova, M., Ivanova, V., Kolb, D.M., Boyen, H.-G., Ziemann, P., Büttner, M., Romanyuk, A., Oelhafen, P.

“…In this study we describe details of a new technique that allows to deposit metal on top of a self-assembled monolayer (SAM). Monoatomic high platinum islands…”
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Alloy formation of supported gold nanoparticles at their transition from clusters to solids: does size matter? by Boyen, H-G, Ethirajan, A, Kästle, G, Weigl, F, Ziemann, P, Schmid, G, Garnier, M G, Büttner, M, Oelhafen, P

“…Gold nanoclusters of a size approaching the molecular limit (<3 nm) were prepared on Si substrates in order to study alloy formation on the nanometer scale…”
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Micellar Nanoreactors-Preparation and Characterization of Hexagonally Ordered Arrays of Metallic Nanodots by Kästle, G., Boyen, H.-G., Weigl, F., Lengl, G., Herzog, T., Ziemann, P., Riethmüller, S., Mayer, O., Hartmann, C., Spatz, J.P., Möller, M., Ozawa, M., Banhart, F., Garnier, M.G., Oelhafen, P.

“…The preparation of hexagonally ordered metallic nanodots was studied in detail with emphasis on the chemical state of the resulting particles. To obtain these…”
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Substrate influence in Young's modulus determination of thin films by indentation methods: Cubic boron nitride as an example by Richter, F., Herrmann, M., Molnar, F., Chudoba, T., Schwarzer, N., Keunecke, M., Bewilogua, K., Zhang, X.W., Boyen, H.-G., Ziemann, P.

“…This paper deals with the determination of Young's modulus of thin films by indentation methods using cubic boron nitride (c-BN) as an example. This is a…”
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A Micellar Approach to Magnetic Ultrahigh-Density Data-Storage Media: Extending the Limits of Current Colloidal Methods by Ethirajan, A., Wiedwald, U., Boyen, H.-G., Kern, B., Han, L., Klimmer, A., Weigl, F., Kästle, G., Ziemann, P., Fauth, K., Cai, J., Behm, R. J., Romanyuk, A., Oelhafen, P., Walther, P., Biskupek, J., Kaiser, U.

“…An alternative route for producing L10 FePt nanoparticles based on the self‐organization of diblock copolymers into spherical micelles is presented. It…”
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Rhodium deposition onto a 4-mercaptopyridine SAM on Au(1 1 1) by Manolova, M., Kayser, M., Kolb, D.M., Boyen, H.-G., Ziemann, P., Mayer, D., Wirth, A.

“…The application of a recently developed method for the deposition of Pd and Pt on top of a SAM, has been successfully extended to Rh, thus proving the…”
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Hydrogen behaviour in amorphous Si/Ge nano-structures after annealing by Frigeri, C., Serényi, M., Khánh, N.Q., Csik, A., Nasi, L., Erdélyi, Z., Beke, D.L., Boyen, H.-G.

“…► We study hydrogenated amorphous Si/Ge superlattices annealed to form SiGe alloy. ► Annealing causes extensive blistering in hydrogenated samples. ► Blisters…”
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Influence of iron–silicon interaction on the growth of carbon nanotubes produced by chemical vapor deposition by de los Arcos, T., Vonau, F., Garnier, M. G., Thommen, V., Boyen, H.-G., Oelhafen, P., Düggelin, M., Mathis, D., Guggenheim, R.

“…Carbon nanotubes are often grown by chemical vapor deposition on silicon substrates covered with an iron catalyst. Photoemission and scanning electron…”
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Lowering of the L1 ordering temperature of FePt nanoparticles by He+ ion irradiation by Wiedwald, U., Klimmer, A., Kern, B., Han, L., Boyen, H.-G., Ziemann, P., Fauth, K.

“…Arrays of FePt particles (diameter 7nm) with mean interparticle distances of 60nm are prepared by a micellar technique on Si substrates. The phase transition…”
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Oxidation of preferentially (1 1 1)-oriented Au films in an oxygen plasma investigated by scanning tunneling microscopy and photoelectron spectroscopy by Koslowski, B., Boyen, H.-G., Wilderotter, C., Kästle, G., Ziemann, P., Wahrenberg, R., Oelhafen, P.

“…The effect of an oxygen plasma and a consecutive thermal treatment on the chemical state and morphology of a gold(1 1 1) surface has been investigated by…”
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Electronic and Magnetic Properties of Ligand-Free FePt Nanoparticles by Boyen, H.-G., Fauth, K., Stahl, B., Ziemann, P., Kästle, G., Weigl, F., Banhart, F., Hessler, M., Schütz, G., Gajbhiye, N. S., Ellrich, J., Hahn, H., Büttner, M., Garnier, M. G., Oelhafen, P.

“…Ligand‐free FePt nanoparticles are prepared in densely packed arrays (see Figure) under ultrahigh vacuum conditions, in which oxygen and hydrogen plasmas are…”
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