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Search for "pulsed laser" in Full Text gives 115 result(s) in Beilstein Journal of Nanotechnology.

Electrostatically actuated encased cantilevers

  • Benoit X. E. Desbiolles,
  • Gabriela Furlan,
  • Adam M. Schwartzberg,
  • Paul D. Ashby and
  • Dominik Ziegler

Beilstein J. Nanotechnol. 2018, 9, 1381–1389, doi:10.3762/bjnano.9.130

Graphical Abstract
  • , we evaporate a 30 nm thick gold layer (2) that is the excitation electrode. Using a femtosecond pulsed laser we ablate a ca. 1 μm wide opening (3) to access the sacrificial methacrylate layer and etch it using organic solvents (1:3, methyl isobutyl ketone/isopropyl alcohol) during the subsequent
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Published 08 May 2018

Combined pulsed laser deposition and non-contact atomic force microscopy system for studies of insulator metal oxide thin films

  • Daiki Katsube,
  • Hayato Yamashita,
  • Satoshi Abo and
  • Masayuki Abe

Beilstein J. Nanotechnol. 2018, 9, 686–692, doi:10.3762/bjnano.9.63

Graphical Abstract
  • a combined system of pulsed laser deposition (PLD) and non-contact atomic force microscopy (NC-AFM) for observations of insulator metal oxide surfaces. With this system, the long-period iterations of sputtering and annealing used in conventional methods for preparing a metal oxide film surface are
  • not required. The performance of the combined system is demonstrated for the preparation and high-resolution NC-AFM imaging of atomically flat thin films of anatase TiO2(001) and LaAlO3(100). Keywords: atomic resolution; frequency modulation atomic force microscopy; insulator thin film; pulsed laser
  • resolution in recent studies [35][37]. Difficulties with this method are a long preparation time and a low reproducibility. Recently, connecting an STM with a pulsed laser deposition (PLD) system [13][27][28] or with molecular beam epitaxy [18] has increased the types of measurements possible. Such combined
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Published 21 Feb 2018

Atomic layer deposition and properties of ZrO2/Fe2O3 thin films

  • Kristjan Kalam,
  • Helina Seemen,
  • Peeter Ritslaid,
  • Mihkel Rähn,
  • Aile Tamm,
  • Kaupo Kukli,
  • Aarne Kasikov,
  • Joosep Link,
  • Raivo Stern,
  • Salvador Dueñas,
  • Helena Castán and
  • Héctor García

Beilstein J. Nanotechnol. 2018, 9, 119–128, doi:10.3762/bjnano.9.14

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  • processes have been employed to prepare the samples. Ca- and Mg-stabilized cubic zirconia, prepared by pulsed laser deposition (PLD), has shown ferromagnetic properties [3]. Magnetic properties of PLD-synthesized ZrO2, doped with Co, Fe, Mn or Ni, have been studied [4], showing that doping ZrO2 with Mn
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Published 10 Jan 2018

Au nanostructure fabrication by pulsed laser deposition in open air: Influence of the deposition geometry

  • Rumen G. Nikov,
  • Anna Og. Dikovska,
  • Nikolay N. Nedyalkov,
  • Georgi V. Avdeev and
  • Petar A. Atanasov

Beilstein J. Nanotechnol. 2017, 8, 2438–2445, doi:10.3762/bjnano.8.242

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  • ., Bl.11, 1113 Sofia, Bulgaria 10.3762/bjnano.8.242 Abstract We present a fast and flexible method for the fabrication of Au nanocolumns. Au nanostructures were produced by pulsed laser deposition in air at atmospheric pressure. No impurities or Au compounds were detected in the resulting samples. The
  • their fabrication. Such applications require contamination-free nanostructures, suggesting that the development and use of physical nanofabrication methods is further warranted. One of the physical vapor deposition techniques widely applied in bottom-up nanotechnology is pulsed laser deposition (PLD
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Published 17 Nov 2017

Optical techniques for cervical neoplasia detection

  • Tatiana Novikova

Beilstein J. Nanotechnol. 2017, 8, 1844–1862, doi:10.3762/bjnano.8.186

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  • attention should be paid to the selection of the laser excitation wavelength. The improvement of the signal-to-noise ratio can be achieved by using ultrashort-pulsed laser sources (stimulated Raman scattering (SRS) and coherent anti-Stokes Raman scattering (CARS)) or metal nanoparticles (surface-enhanced
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Published 06 Sep 2017

Oxidative chemical vapor deposition of polyaniline thin films

  • Yuriy Y. Smolin,
  • Masoud Soroush and
  • Kenneth K. S. Lau

Beilstein J. Nanotechnol. 2017, 8, 1266–1276, doi:10.3762/bjnano.8.128

Graphical Abstract
  • polymer films. However, the high energies in PECVD of polymers often result in the loss of functionality and degradation of a stoichiometric linear homopolymer [17]. Laser-based techniques, such as pulsed laser deposition (PLD), matrix-assisted pulsed laser evaporation (MAPLE), and laser-induced forward
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Published 16 Jun 2017

Growth, structure and stability of sputter-deposited MoS2 thin films

  • Reinhard Kaindl,
  • Bernhard C. Bayer,
  • Roland Resel,
  • Thomas Müller,
  • Viera Skakalova,
  • Gerlinde Habler,
  • Rainer Abart,
  • Alexey S. Cherevan,
  • Dominik Eder,
  • Maxime Blatter,
  • Fabian Fischer,
  • Jannik C. Meyer,
  • Dmitry K. Polyushkin and
  • Wolfgang Waldhauser

Beilstein J. Nanotechnol. 2017, 8, 1115–1126, doi:10.3762/bjnano.8.113

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  • (PVD) [27][28], which includes techniques such as magnetron sputter deposition, pulsed laser ablation or evaporation [3][29][30]. In this regard, PVD offers a wide processing window in terms of attainable deposition temperatures and substrates, constituent element fluxes and kinetic energies of the
  • an increase in on–off-ratios and field-effect mobility with decreasing S-content was observed [46]. Another report indicated that for highly crystalline thin films of MoS2, prepared by pulsed laser deposition, p-type transport (instead of the expected n-type) was observed which was attributed to
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Published 22 May 2017

3D Nanoprinting via laser-assisted electron beam induced deposition: growth kinetics, enhanced purity, and electrical resistivity

  • Brett B. Lewis,
  • Robert Winkler,
  • Xiahan Sang,
  • Pushpa R. Pudasaini,
  • Michael G. Stanford,
  • Harald Plank,
  • Raymond R. Unocic,
  • Jason D. Fowlkes and
  • Philip D. Rack

Beilstein J. Nanotechnol. 2017, 8, 801–812, doi:10.3762/bjnano.8.83

Graphical Abstract
  • , grain structure/morphology, and electrical resistivity of 3D platinum nanowires synthesized via electron beam induced deposition with and without an in situ pulsed laser assist process which photothermally couples to the growing Pt–C deposits. Notably, we demonstrate: 1) higher platinum concentration
  • : additive manufacturing; beam induced processing; 3D printing; direct-write; electron beam induced deposition; microscopy; nanofabrication; pulsed laser; purification; rapid prototyping; Introduction The first fully incorporated 3D transistor logic was reported in 2012 [1]. Further 3D device concepts and
  • with and without a co-reactant (ex situ) [46][47][48][49] and/or facilitated by a reactive gas co-flow during deposition (in situ) [50][51][52]. A third purification method employs thermal energy either by substrate heating [53] or locally heating the substrate using a pulsed laser system [54][55][56
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Published 07 Apr 2017

Graphene functionalised by laser-ablated V2O5 for a highly sensitive NH3 sensor

  • Margus Kodu,
  • Artjom Berholts,
  • Tauno Kahro,
  • Mati Kook,
  • Peeter Ritslaid,
  • Helina Seemen,
  • Tea Avarmaa,
  • Harry Alles and
  • Raivo Jaaniso

Beilstein J. Nanotechnol. 2017, 8, 571–578, doi:10.3762/bjnano.8.61

Graphical Abstract
  • material. The response of graphene-based sensors can be radically improved by introducing defects in graphene using, for example, metal or metal oxide nanoparticles. We have functionalised CVD grown, single-layer graphene by applying pulsed laser deposition (PLD) of V2O5 which resulted in a thin V2O5 layer
  • between deposited V2O5 and graphene. Keywords: ammonia; electric conductivity; gas sensor; graphene; pulsed laser deposition; UV light activation; vanadium(V) oxide; Introduction Graphene, being a thin (semi)conducting material, is a promising gas sensing system. Highly sensitive response, down to
  • gases, such as ammonia. Vanadium oxide based films and nanostructured layers have been previously synthesised for gas sensing applications by various methods [11], including pulsed laser deposition (PLD) [12]. PLD is a highly versatile method for relatively well-controlled preparation of thin films, and
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Published 07 Mar 2017

The longstanding challenge of the nanocrystallization of 1,3,5-trinitroperhydro-1,3,5-triazine (RDX)

  • Florent Pessina and
  • Denis Spitzer

Beilstein J. Nanotechnol. 2017, 8, 452–466, doi:10.3762/bjnano.8.49

Graphical Abstract
  • sensitivity tests have been reported, provoking the question about whether a nanopowder could have be obtained from those colloidal suspensions. Laser ablation For the first time, Gottfried et al. [74] successfully produced RDX nanoparticles using laser ablation. A near-infrared, nanosecond pulsed laser was
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Published 17 Feb 2017

Selective photodissociation of tailored molecular tags as a tool for quantum optics

  • Ugur Sezer,
  • Philipp Geyer,
  • Moritz Kriegleder,
  • Maxime Debiossac,
  • Armin Shayeghi,
  • Markus Arndt,
  • Lukas Felix and
  • Marcel Mayor

Beilstein J. Nanotechnol. 2017, 8, 325–333, doi:10.3762/bjnano.8.35

Graphical Abstract
  • shifts and broadenings are common. Photoresponse of neutral model compounds in high vacuum Experiments with neutral molecules were done in a molecular beam machine as sketched in Figure 4. In order to generate a pulsed beam of isolated neutral molecules we used nanosecond pulsed laser desorption into a
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Published 02 Feb 2017

Template-controlled piezoactivity of ZnO thin films grown via a bioinspired approach

  • Nina J. Blumenstein,
  • Fabian Streb,
  • Stefan Walheim,
  • Thomas Schimmel,
  • Zaklina Burghard and
  • Joachim Bill

Beilstein J. Nanotechnol. 2017, 8, 296–303, doi:10.3762/bjnano.8.32

Graphical Abstract
  • high mechanical deformation [13]. Growth of such oriented films was achieved via technically sophisticated methods under harsh reaction conditions [14][15][16][17]. For example radio-frequency magnetron sputtering [14][17], pulsed laser deposition [16] or sol–gel methods followed by annealing [15] were
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Published 30 Jan 2017

Laser irradiation in water for the novel, scalable synthesis of black TiOx photocatalyst for environmental remediation

  • Massimo Zimbone,
  • Giuseppe Cacciato,
  • Mohamed Boutinguiza,
  • Vittorio Privitera and
  • Maria Grazia Grimaldi

Beilstein J. Nanotechnol. 2017, 8, 196–202, doi:10.3762/bjnano.8.21

Graphical Abstract
  • samples have a surface area of 0.7 cm2. The synthesis of platinum nanoparticles (PtNps) was performed by pulsed laser ablation in liquid by irradiating a Pt metal foil (Sigma Aldrich, purity 99%) with a Nd:YAG laser (Giant G790-30) at 1064 nm (10 ns pulse duration, 10 Hz repetition rate). The laser was
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Published 19 Jan 2017

Fundamental properties of high-quality carbon nanofoam: from low to high density

  • Natalie Frese,
  • Shelby Taylor Mitchell,
  • Christof Neumann,
  • Amanda Bowers,
  • Armin Gölzhäuser and
  • Klaus Sattler

Beilstein J. Nanotechnol. 2016, 7, 2065–2073, doi:10.3762/bjnano.7.197

Graphical Abstract
  • sponges [17]. Carbon nanofoams have first been produced using pulsed laser ablation of glassy carbon in argon atmosphere [18] and later, as graphite in liquid nitrogen [19]. Pulsed-laser deposition has also been used for the fabrication of carbon nanofoam electrodes [20]. Carbon nanotube foam in the form
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Published 27 Dec 2016

Ferromagnetic behaviour of ZnO: the role of grain boundaries

  • Boris B. Straumal,
  • Svetlana G. Protasova,
  • Andrei A. Mazilkin,
  • Eberhard Goering,
  • Gisela Schütz,
  • Petr B. Straumal and
  • Brigitte Baretzky

Beilstein J. Nanotechnol. 2016, 7, 1936–1947, doi:10.3762/bjnano.7.185

Graphical Abstract
  • growth of single crystals, are well known and well elaborated. It seemed that nothing could prevent the success of the synthesis of ferromagnetic ZnO doped by iron, manganese, cobalt, or other “magnetic” atoms. Indeed first successes came soon. Ferromagnetic ZnO films were synthesised by pulsed laser
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Published 07 Dec 2016

Cubic chemically ordered FeRh and FeCo nanomagnets prepared by mass-selected low-energy cluster-beam deposition: a comparative study

  • Veronique Dupuis,
  • Anthony Robert,
  • Arnaud Hillion,
  • Ghassan Khadra,
  • Nils Blanc,
  • Damien Le Roy,
  • Florent Tournus,
  • Clement Albin,
  • Olivier Boisron and
  • Alexandre Tamion

Beilstein J. Nanotechnol. 2016, 7, 1850–1860, doi:10.3762/bjnano.7.177

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  • affinity with the environment affects their intrinsic magnetic properties compared to their bulk counterparts. Results Synthesis and structure The clusters are synthetized in the gas phase in the low-energy cluster-beam deposition (LECBD) regime. Briefly, a pulsed laser beam is focused on a mixed
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Published 28 Nov 2016

Nanostructured germanium deposited on heated substrates with enhanced photoelectric properties

  • Ionel Stavarache,
  • Valentin Adrian Maraloiu,
  • Petronela Prepelita and
  • Gheorghe Iordache

Beilstein J. Nanotechnol. 2016, 7, 1492–1500, doi:10.3762/bjnano.7.142

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  • [18] and biosensors [19]. To produce high-quality Ge particles packed into different matrices, various approaches are reported in scientific papers such as pulsed laser deposition [20][21], sol–gel [22], evaporation under vacuum [23], chemical vapor deposition [24], microwave-assisted heating [25
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Published 21 Oct 2016

The influence of phthalocyanine aggregation in complexes with CdSe/ZnS quantum dots on the photophysical properties of the complexes

  • Irina V. Martynenko,
  • Anna O. Orlova,
  • Vladimir G. Maslov,
  • Anatoly V. Fedorov,
  • Kevin Berwick and
  • Alexander V. Baranov

Beilstein J. Nanotechnol. 2016, 7, 1018–1027, doi:10.3762/bjnano.7.94

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  • photon counting (TCSPC) spectrometer MicroTime100, from Pico Quant, Inc. A pulsed laser operating at 405 nm with an average power of 1 mW was used for PL excitation. The pulse repetition rate was 40 MHz with pulse duration of 70 ps. PL quantum yields of the samples were estimated by a comparative method
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Published 13 Jul 2016

Thermo-voltage measurements of atomic contacts at low temperature

  • Ayelet Ofarim,
  • Bastian Kopp,
  • Thomas Möller,
  • León Martin,
  • Johannes Boneberg,
  • Paul Leiderer and
  • Elke Scheer

Beilstein J. Nanotechnol. 2016, 7, 767–775, doi:10.3762/bjnano.7.68

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  • pulsed laser heating of the substrate at the position indicated in Figure 2. The thermo-voltage (ΔV) is determined by the Y-intercept of the ΔV(I) curve with irradiation, see Figure 5c. This method ensures that all of voltage at I = 0 would be solely due to the thermal gradient, caused by the laser pulse
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Published 30 May 2016

Magnetic switching of nanoscale antidot lattices

  • Ulf Wiedwald,
  • Joachim Gräfe,
  • Kristof M. Lebecki,
  • Maxim Skripnik,
  • Felix Haering,
  • Gisela Schütz,
  • Paul Ziemann,
  • Eberhard Goering and
  • Ulrich Nowak

Beilstein J. Nanotechnol. 2016, 7, 733–750, doi:10.3762/bjnano.7.65

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Published 24 May 2016

Microwave solvothermal synthesis and characterization of manganese-doped ZnO nanoparticles

  • Jacek Wojnarowicz,
  • Roman Mukhovskyi,
  • Elzbieta Pietrzykowska,
  • Sylwia Kusnieruk,
  • Jan Mizeracki and
  • Witold Lojkowski

Beilstein J. Nanotechnol. 2016, 7, 721–732, doi:10.3762/bjnano.7.64

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  • ], combustion [52], sol–gel [7][31][33][53][54], spin coating [19][20], pulsed laser deposition [26], reactions in the solid state [35][55], thermal evaporation [56], and thermal evaporation vapour-phase deposition [30]. However, two of the most promising methods, which are still being developed are
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Published 19 May 2016

Orientation of FePt nanoparticles on top of a-SiO2/Si(001), MgO(001) and sapphire(0001): effect of thermal treatments and influence of substrate and particle size

  • Martin Schilling,
  • Paul Ziemann,
  • Zaoli Zhang,
  • Johannes Biskupek,
  • Ute Kaiser and
  • Ulf Wiedwald

Beilstein J. Nanotechnol. 2016, 7, 591–604, doi:10.3762/bjnano.7.52

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  • pulsed laser deposition (PLD), served as reference samples. The structural properties were probed in situ, particularly texture formation and epitaxy of the specimens by reflection high-energy electron diffraction (RHEED) and, in case of 3 nm nanoparticles, additionally by high-resolution transmission
  • carbon film was then completely removed by reactive plasma etching prior to successive annealing steps. FePt reference films were prepared on native SiO2 on top of Si(001), Al2O3(001), and MgO(001) by pulsed laser deposition (PLD) from Fe and Pt targets under UHV conditions in a separate vacuum system
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Published 21 Apr 2016

Antibacterial activity of silver nanoparticles obtained by pulsed laser ablation in pure water and in chloride solution

  • Brunella Perito,
  • Emilia Giorgetti,
  • Paolo Marsili and
  • Maurizio Muniz-Miranda

Beilstein J. Nanotechnol. 2016, 7, 465–473, doi:10.3762/bjnano.7.40

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  • as antibacterial agents with applications in several fields due to their strong, broad-range antimicrobial properties. AgNP synthesis by pulsed laser ablation in liquid (PLAL) permits the preparation of stable Ag colloids in pure solvents without capping or stabilizing agents, producing AgNPs more
  • by synthesizing the NPs using pulsed laser ablation in liquid (PLAL). In fact, PLAL is a physical approach that permits preparation of stable metal colloids in pure solvents without the use of capping or stabilizing agents [26][27]. The NPs are obtained by focusing a pulsed laser beam onto a metallic
  • ). Conclusion We have synthetized AgNPs with a small average diameter and a narrow size distribution using the pulsed laser ablation in liquid method (PLAL). The diameter of the resulting nanoparticles lies in the size range known to have the highest antimicrobial activity. The AgNPs are effective against both
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Published 18 Mar 2016

Time-dependent growth of crystalline Au0-nanoparticles in cyanobacteria as self-reproducing bioreactors: 2. Anabaena cylindrica

  • Liz M. Rösken,
  • Felix Cappel,
  • Susanne Körsten,
  • Christian B. Fischer,
  • Andreas Schönleber,
  • Sander van Smaalen,
  • Stefan Geimer,
  • Christian Beresko,
  • Georg Ankerhold and
  • Stefan Wehner

Beilstein J. Nanotechnol. 2016, 7, 312–327, doi:10.3762/bjnano.7.30

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  • the setup. The LIBS setup arrangement consisted of a pulsed laser source, focusing optics, and Czerny–Turner spectrometers. As laser source a low-power passively Q-switched Nd:YAG laser (CryLas, model DSS1064-3000) at a wavelength of 1064 nm, a pulse energy of 2.5 mJ, a pulse duration of 2 ns (FWHM
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Published 02 Mar 2016

Chemical bath deposition of textured and compact zinc oxide thin films on vinyl-terminated polystyrene brushes

  • Nina J. Blumenstein,
  • Caroline G. Hofmeister,
  • Peter Lindemann,
  • Cheng Huang,
  • Johannes Baier,
  • Andreas Leineweber,
  • Stefan Walheim,
  • Christof Wöll,
  • Thomas Schimmel and
  • Joachim Bill

Beilstein J. Nanotechnol. 2016, 7, 102–110, doi:10.3762/bjnano.7.12

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  • emitting diodes, as surface acoustic wave generators or for field effect transistors [1][2][3][4][5][6][7][8]. Up to now, the fabrication of nanosized devices requires complex techniques like magnetron sputtering or pulsed laser deposition. Therefore, it is of high interest to develop easy-to-handle
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Published 25 Jan 2016
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