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1

Xu, Xiaofeng, Laifei Cheng, Xiaojiao Zhao, Jing Wang, Ke Tong, and Hua Lv. "Formation and Evolution of Micro/Nano Periodic Ripples on 2205 Stainless Steel Machined by Femtosecond Laser." Micromachines 14, no. 2 (2023): 428. http://dx.doi.org/10.3390/mi14020428.

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The preparation of micro/nano periodic surface structures using femtosecond laser machining technology has been the academic frontier and hotspot in recent years. The formation and evolution of micro/nano periodic ripples were investigated on 2205 stainless steel machined by femtosecond laser. Using single spot irradiation with fixed laser fluences and various pulse numbers, typical ripples, including nano HSFLs (‖), nano LSFLs (⊥), nano HSFLs (⊥) and micro grooves (‖), were generated one after another in one test. The morphologies of the ripples were analyzed, and the underlying mechanisms we
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2

Toyoda, Noriaki, Buddhi Tilakaratne, Iram Saleem, and Wei-Kan Chu. "Cluster beams, nano-ripples, and bio applications." Applied Physics Reviews 6, no. 2 (2019): 020901. http://dx.doi.org/10.1063/1.5030500.

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3

Siegel, J., P. Slepička, J. Heitz, Z. Kolská, P. Sajdl, and V. Švorčík. "Gold nano-wires and nano-layers at laser-induced nano-ripples on PET." Applied Surface Science 256, no. 7 (2010): 2205–9. http://dx.doi.org/10.1016/j.apsusc.2009.09.074.

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4

Masciullo, Cecilia, Rossana Dell'Anna, Ilaria Tonazzini, Roman Böettger, Giancarlo Pepponi, and Marco Cecchini. "Hierarchical thermoplastic rippled nanostructures regulate Schwann cell adhesion, morphology and spatial organization." Nanoscale 9, no. 39 (2017): 14861–74. http://dx.doi.org/10.1039/c7nr02822a.

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5

Yuan, Dong Qing, and Jian Ting Xu. "Periodic Nanostructure on 65Mn Produced by Femtosecond Laser Irradiation." Advanced Materials Research 154-155 (October 2010): 490–93. http://dx.doi.org/10.4028/www.scientific.net/amr.154-155.490.

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The periodic microstructures on 65Mn plate were induced by the irradiation of the femtosecond laser with the laser wavelength of 800 nm and the pulse length of 130 fs. The parallel periodic ripples structures were observed at the laser fluence of 1 J/cm2 with different pulses number( N=5,50,400,800) which lied parallel to the laser electric polarization field vector. For 400 pulses, the nano-holes arrays were generated to interrupt the consistent ripples structures.For 800 pulses, initial nano-holes evolution to the grooves, which the direction were uncertainly. Further experiments have been m
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6

Li, Chen, Yong Yang, Lijun Yang, Zhen Shi, Pengfei Yang, and Guanghua Cheng. "In Vitro Bioactivity and Biocompatibility of Bio-Inspired Ti-6Al-4V Alloy Surfaces Modified by Combined Laser Micro/Nano Structuring." Molecules 25, no. 7 (2020): 1494. http://dx.doi.org/10.3390/molecules25071494.

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The bioactivity and biocompatibility play key roles in the success of dental and orthopaedic implants. Although most commercial implant systems use various surface microstructures, the ideal multi-scale topographies capable of controlling osteointegration have not yielded conclusive results. Inspired by both the isotropic adhesion of the skin structures in tree frog toe pads and the anisotropic adhesion of the corrugated ridges on the scales of Morpho butterfly wings, composite micro/nano-structures, including the array of micro-hexagons and oriented nano-ripples on titanium alloy implants, we
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7

Chao, Liang-Chiun, Yao-Kai Li, and Wan-Chun Chang. "Growth of ZnO quantum dots on Si nano ripples." Materials Letters 65, no. 11 (2011): 1615–17. http://dx.doi.org/10.1016/j.matlet.2011.03.027.

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8

Alyobi, Mona, Chris Barnett, and Richard Cobley. "Nano-Scale Movement Induced In Graphene Ripples by Multi-Probe Microscopy." International Journal of Advanced Research in Engineering 3, no. 2 (2017): 22. http://dx.doi.org/10.24178/ijare.2017.3.2.22.

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Abstract— An Omicron low temperature multi-probe technique is used for manipulation of mechanically exfoliated suspended and attached graphene sheets on SiO2 substrates. Scanning electron microscopy (SEM) and Raman spectroscopy are used to detect the graphene sheets and determine their thicknesses and quality, respectively. The interaction of the etched tungsten tip with the graphene is used to lift and release the sheet and induce artificial ripples. Both suspended and attached sheets onto the substrates show different behaviour in response to bias voltage.
 IndexTerms: graphene,multi-pr
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9

Kalnins, Kalvis, Vyacheslav V. Kim, Andra Naresh Kumar Reddy, Anatolijs Sarakovskis, and Rashid A. Ganeev. "Spatially Variable Ripple and Groove Formation on Gallium Arsenide Using Linear, Radial, and Azimuthal Polarizations of Laser Beam." Photonics 11, no. 8 (2024): 710. http://dx.doi.org/10.3390/photonics11080710.

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We demonstrated the linear, radial, and annular ripple formation on the surface of GaAs. The formation of linear ripples was optimized by the number of shots and the fluence of 30 ps, 532 nm pulses. The radial and annular nanoripples were produced under the ablation using doughnut-like beams possessing azimuthal and radial polarizations, respectively. We compare the ripples and grooves formed by a linearly polarized Gaussian beam relative to an annular vector beam. The joint overlap of sub-wavelength grooves with ripples formed by azimuthally and radially polarized beams was reported. The cond
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10

Karmakar, P. "Regularly spaced conducting or magnetic stripe formation in nano ripples." Applied Surface Science 258, no. 9 (2012): 4125–28. http://dx.doi.org/10.1016/j.apsusc.2011.07.038.

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11

Liu, W. D., L. M. Ye, and K. X. Liu. "Micro-nano scale ripples on metallic glass induced by laser pulse." Journal of Applied Physics 109, no. 4 (2011): 043109–043109. http://dx.doi.org/10.1063/1.3552914.

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12

González-Romero, Adolfo, Cristina González-Flórez, Agnesh Panta, et al. "Characterization of the particle size distribution, mineralogy, and Fe mode of occurrence of dust-emitting sediments from the Mojave Desert, California, USA." Atmospheric Chemistry and Physics 24, no. 16 (2024): 9155–76. http://dx.doi.org/10.5194/acp-24-9155-2024.

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Abstract. Constraining dust models to understand and quantify the effect of dust upon climate and ecosystems requires comprehensive analyses of the physiochemical properties of dust-emitting sediments in arid regions. Building upon previous studies in the Moroccan Sahara and Iceland, we analyse a diverse set of crusts and aeolian ripples (n=55) from various potential dust-emitting basins within the Mojave Desert, California, USA. Our focus is on characterizing the particle size distribution (PSD), mineralogy, aggregation/cohesion state, and Fe mode of occurrence. Our results show differences i
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13

Cansizoglu, Mehmet F., Mesut Yurukcu, and Tansel Karabacak. "Ripple Formation during Oblique Angle Etching." Coatings 9, no. 4 (2019): 272. http://dx.doi.org/10.3390/coatings9040272.

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Chemical removal of materials from the surface is a fundamental step in micro- and nano-fabrication processes. In conventional plasma etching, etchant molecules are non-directional and perform a uniform etching over the surface. However, using a highly directional obliquely incident beam of etching agent, it can be possible to engineer surfaces in the micro- or nano- scales. Surfaces can be patterned with periodic morphologies like ripples and mounds by controlling parameters including the incidence angle with the surface and sticking coefficient of etching particles. In this study, the dynami
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14

Liu, Bin, Wenjun Wang, Gedong Jiang, et al. "Evolution of nano-ripples on stainless steel irradiated by picosecond laser pulses." Journal of Laser Applications 26, no. 1 (2014): 012001. http://dx.doi.org/10.2351/1.4824310.

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15

Du, Guangqing, Yanmin Wu, Noor Uddin, et al. "Ultrafast thermal dynamics of nano-ripples formation via laser double pulses excitation." Optics Communications 375 (September 2016): 54–57. http://dx.doi.org/10.1016/j.optcom.2016.04.064.

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16

Sulania, I., A. Tripathi, D. Kabiraj, S. Varma, and D. K. Avasthi. "keV Ion-Induced Effective Surface Modifications on InP." Journal of Nanoscience and Nanotechnology 8, no. 8 (2008): 4163–67. http://dx.doi.org/10.1166/jnn.2008.an13.

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In the present study, we have analyzed the changes in surface morphology leading to formation of periodic structures known as ripples which arise due to an interplay between sputtering and surface diffusion. The 1.5 keV Ar atoms with a flux of 14.8 mA/cm2 are used in the present study. The InP(100) samples were bombarded at an incidence angle of 45° to the normal at a base pressure of 1 × 10−6 Torr at room temperature with fluences varying from 4 × 1016 to 3.2 × 1017 atoms/cm2. The rippled InP(100) surface was characterized with AFM. An increase in the ripple wavelengths, from 60 nm to 150 nm
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17

Grenzer, J., A. Mücklich, S. Grigorian, et al. "High-temperature induced nano-crystal formation in ion beam-induced amorphous silicon ripples." physica status solidi (a) 204, no. 8 (2007): 2555–60. http://dx.doi.org/10.1002/pssa.200675655.

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18

Kudupudi Nagesh, D. Lenine, and P. Sujatha. "Curtailing of Torque Ripples in Switched Reluctance Motor using Nano Soft Ferrite Rotor." Journal of Advanced Research in Micro and Nano Engieering 18, no. 1 (2024): 52–59. http://dx.doi.org/10.37934/armne.18.1.5259.

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Switched Reluctance motors (SRM) enthralled many researchers due to their coherent structure and sturdy design switched reluctance motors are, robust, reliable, fault tolerated, efficient, and maximum temperature resistant when compared to other conventional motors. The drift in the power electronic converters enhances the usage of SRM, stator and rotor consisting of projected inward and outward poles the gap between the stator and rotor causes harmonics which cause torque ripples which are deteriorating SRM drives. In this paper, a ferrite rotor is considered which is composed by the differen
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19

Schille, Joerg, Jose R. Chirinos, Xianglei Mao, et al. "Formation of Nano- and Micro-Scale Surface Features Induced by Long-Range Femtosecond Filament Laser Ablation." Nanomaterials 12, no. 14 (2022): 2493. http://dx.doi.org/10.3390/nano12142493.

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In this work, we study the characteristics of femtosecond-filament-laser–matter interactions and laser-induced periodic surface structures (LIPSS) at a beam-propagation distance up to 55 m. The quantification of the periodicity of filament-induced self-organized surface structures was accomplished by SEM and AFM measurements combined with the use of discrete two-dimensional fast Fourier transform (2D-FFT) analysis, at different filament propagation distances. The results show that the size of the nano-scale surface features increased with ongoing laser filament processing and, further, periodi
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20

Voronov, D. L., P. Gawlitza, S. Braun, and H. A. Padmore. "Spontaneous formation of highly periodic nano-ripples in inclined deposition of Mo/Si multilayers." Journal of Applied Physics 122, no. 11 (2017): 115303. http://dx.doi.org/10.1063/1.4991377.

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21

Ahsan, Md Shamim, Man Seop Lee, Mohammad Khairul Hasan, et al. "Formation mechanism of self-organized nano-ripples on quartz surface using femtosecond laser pulses." Optik 126, no. 24 (2015): 5979–83. http://dx.doi.org/10.1016/j.ijleo.2015.08.107.

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22

Zhang, K., J. Deng, Y. Xing, Y. Lian, and G. Zhang. "Periodic nano-ripples structures fabricated on WC/Co based TiAlN coatings by femtosecond pulsed laser." Surface Engineering 31, no. 4 (2015): 271–81. http://dx.doi.org/10.1179/1743294414y.0000000448.

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23

Ma, Yuncan, Vanthanh Khuat, and An Pan. "A simple method for well-defined and clean all-SiC nano-ripples in ambient air." Optics and Lasers in Engineering 82 (July 2016): 141–47. http://dx.doi.org/10.1016/j.optlaseng.2016.02.026.

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24

Kudryashov, Sergey I., Alena A. Nastulyavichus, Eteri R. Tolordava, et al. "Surface-Enhanced IR-Absorption Microscopy of Staphylococcus aureus Bacteria on Bactericidal Nanostructured Si Surfaces." Molecules 24, no. 24 (2019): 4488. http://dx.doi.org/10.3390/molecules24244488.

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Surface-enhanced IR absorption (SEIRA) microscopy was used to reveal main chemical and physical interactions between Staphylococcus aureus bacteria and different laser-nanostructured bactericidal Si surfaces via simultaneous chemical enhancement of the corresponding IR-absorption in the intact functional chemical groups. A cleaner, less passivated surface of Si nanoripples, laser-patterned in water, exhibits much stronger enhancement of SEIRA signals compared to the bare Si wafer, the surface coating of oxidized Si nanoparticles and oxidized/carbonized Si (nano) ripples, laser-patterned in air
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25

Luo, Xiao, Shenglian Yao, Hongjun Zhang, et al. "Biocompatible nano-ripples structured surfaces induced by femtosecond laser to rebel bacterial colonization and biofilm formation." Optics & Laser Technology 124 (April 2020): 105973. http://dx.doi.org/10.1016/j.optlastec.2019.105973.

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26

Guo, X. D., R. X. Li, Y. Hang, et al. "Coherent linking of periodic nano-ripples on a ZnO crystal surface induced by femtosecond laser pulses." Applied Physics A 94, no. 2 (2008): 423–26. http://dx.doi.org/10.1007/s00339-008-4838-y.

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27

Aizawa, Inohara, and Wasa. "Femtosecond Laser Micro-/Nano-Texturing of Stainless Steels for Surface Property Control." Micromachines 10, no. 8 (2019): 512. http://dx.doi.org/10.3390/mi10080512.

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Surface geometry has had an influence on the surface property, in addition to the intrinsic surface energy, of materials. Many physical surface modification methods had been proposed to control the solid surface geometry for modification of surface properties. Recently, short-pulse lasers were utilized to perform nano-texturing onto metallic and polymer substrates for the improvement of surface properties. Most of the papers reported that the hydrophilic metallic surface was modified to have a higher contact angle than 120–150°. Little studies explained the relationship between surface geometr
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28

Farid, Nazar, Daniel Nieto, and Gerard M. O'Connor. "Thin film enabling sub-250 nm nano-ripples on glass by low fluence IR picosecond laser irradiation." Optics & Laser Technology 108 (December 2018): 26–31. http://dx.doi.org/10.1016/j.optlastec.2018.06.059.

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29

Liu, Wei, Jiaxin Sun, Jie Hu, et al. "Transformation from nano-ripples to nano-triangle arrays and their orientation control on titanium surfaces by using orthogonally polarized femtosecond laser double-pulse sequences." Applied Surface Science 588 (June 2022): 152918. http://dx.doi.org/10.1016/j.apsusc.2022.152918.

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30

Porta-Velilla, Luis, Neslihan Turan, Álvaro Cubero, et al. "Highly Regular Hexagonally-Arranged Nanostructures on Ni-W Alloy Tapes upon Irradiation with Ultrashort UV Laser Pulses." Nanomaterials 12, no. 14 (2022): 2380. http://dx.doi.org/10.3390/nano12142380.

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Nickel tungsten alloy tapes (Ni—5 at% W, 10 mm wide, 80 µm thick, biaxially textured) used in second-generation high temperature superconductor (2G-HTS) technology were laser-processed in air with ultraviolet ps-laser pulses (355 nm wavelength, 300 ps pulse duration, 250–800 kHz pulse repetition frequency). By employing optimized surface scan-processing strategies, various laser-generated periodic surface structures were generated on the tapes. Particularly, distinct surface microstructures and nanostructures were formed. These included sub-wavelength-sized highly-regular hexagonally-arranged
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31

Guan, Ying Chun, Wei Zhou, Hong Yu Zheng, and Zhong Li Li. "Surface Modification of AZ91D Magnesium Alloy Using Millisecond, Nanosecond and Femtosecond Lasers." Key Engineering Materials 447-448 (September 2010): 695–99. http://dx.doi.org/10.4028/www.scientific.net/kem.447-448.695.

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Poor surface properties of magnesium alloys limit their extensive use in many applications. Laser surface engineering can be used to enhance surface-related properties of Mg alloys, and the purpose of this paper is to study the effect of laser pulse duration on surface of AZ91D Mg alloy. After millisecond-pulse laser treatment, ripples and cellular/dendrite as well as nanoscale -Mg17Al12 precipitates in the -Mg matrix were found in the surface microstructure, moreover, the melt depth was more than 150 micron. After nanosecond-pulse laser treatment, craters of 10 to 50 micron in diameter were
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32

Lu, Zhang, Jiao, and Guan. "Large-Scale Fabrication of Nanostructure on Bio-Metallic Substrate for Surface Enhanced Raman and Fluorescence Scattering." Nanomaterials 9, no. 7 (2019): 916. http://dx.doi.org/10.3390/nano9070916.

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The integration of surface-enhanced Raman scattering (SERS) and surface-enhanced fluorescence (SEF) has attracted increasing interest and is highly probable to improve the sensitivity and reproducibility of spectroscopic investigations in biomedical fields. In this work, dual-mode SERS and SEF hierarchical structures have been developed on a single bio-metallic substrate. The hierarchical structure was composed of micro-grooves, nano-particles, and nano-ripples. The crystal violet was selected as reporter molecule and both the intensity of Raman and fluorescence signals were enhanced because o
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33

Wagner, Lukas, Werner Baumgartner, Agnes Weth, Sebastian Lifka, and Johannes Heitz. "Fs-Laser-Induced Micro- and Nanostructures on Polycarbonate and Cellulose Acetate Butyrate for Cell Alignment." Applied Sciences 15, no. 12 (2025): 6754. https://doi.org/10.3390/app15126754.

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Laser-generated structures have a huge potential to induce an alignment of biological cells, which may be important for various fields in medicine and biotechnology. We describe the formation of fs-laser-induced micro- and nanostructures for achieving the directed growth of Schwann cells, a type of glial cell that can support the regeneration of nerve pathways by guiding the neuronal axons in the direction of their alignment. Polymer surfaces, i.e., polycarbonate (PC) or cellulose acetate butyrate (CAB), were exposed to the beam of a 1040 nm Yb-based amplified fs-laser system with a pulse leng
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34

Azizi, Ali, and Sadollah Ebrahimi. "Uniaxial-Strain Effects in the Paclitaxel Drug Molecule Adsorption on Nitrogen-Doped Graphene." International Journal of Nanoscience 16, no. 02 (2016): 1650027. http://dx.doi.org/10.1142/s0219581x16500277.

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It has been recently investigated [A. Azizi and S. Ebrahimi, Nano 9, 1450088 (2004).] the Paclitaxel (PTX) anticancer drug molecule adsorption on nitrogen doped graphene (NG). However, the surface strain effect on adsorption is not considered in the literature. In this study, using molecular dynamics (MD) simulation, we show that the PTX molecule adsorption can be tuned by exploiting the rippling effect of the strained NG. The dependence of the nitrogen concentration in the presence of ripples on the surface, arising due to thermal fluctuations, is examined. We have also considered the connect
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35

Khuat, Vanthanh, Tao Chen, Bo Gao, Jinhai Si, Yuncan Ma, and Xun Hou. "Uniform nano-ripples on the sidewall of silicon carbide micro-hole fabricated by femtosecond laser irradiation and acid etching." Applied Physics Letters 104, no. 24 (2014): 241907. http://dx.doi.org/10.1063/1.4883880.

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36

Knapic, Dominik, and Achim Walter Hassel. "Electrochemical Surface Characterization of a Femtosecond Laser Treated and Anodized Ti and Ti6Al4V Alloy for Bone and Dental Implants." ECS Meeting Abstracts MA2022-01, no. 16 (2022): 1007. http://dx.doi.org/10.1149/ma2022-01161007mtgabs.

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Pure Titanium (Titanium grade 2) and Ti6Al4V (Titanium grade 5) alloys are commonly used biocompatible materials for medical bone implants and dental protheses. As some implants have to be removed after a certain amount of time after the implantation, the osteo repellent surface is one of the most important property for the removable bone implants such as bone screws and plates. On contrary, for the dental protheses the property of the most importance is osseointegration. Femtosecond laser treatment causes ablation and produces LIPSS (“laser induced periodic surface structures”) which can cons
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37

Yang, Zhiru, Chongchong Zhu, Nan Zheng, Dezheng Le, and Jianzhong Zhou. "Superhydrophobic Surface Preparation and Wettability Transition of Titanium Alloy with Micro/Nano Hierarchical Texture." Materials 11, no. 11 (2018): 2210. http://dx.doi.org/10.3390/ma11112210.

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Microstructures are applied to various hydrophobic/hydrophilic surfaces due to the role of adjusting the surface wettability. In this paper, a 1064 nm pulsed picosecond laser was applied to prepare a micro/nano hierarchical structure on the surface of the titanium alloy (Ti-6Al-4V). The microstructures consist of dimple arrays with various diameters, depths, and areal densities. They are obtained by controlling the pulse energy and the number of pulses. The nanostructures are periodic ripples, which are defined as laser-induced periodic surface structure (LIPSS), and the dimensional parameter
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38

Wang, Fang, Bowen Wang, Xuhui Zhang, et al. "High Sensitivity Humidity Detection Based on Functional GO/MWCNTs Hybrid Nano-Materials Coated Titled Fiber Bragg Grating." Nanomaterials 11, no. 5 (2021): 1134. http://dx.doi.org/10.3390/nano11051134.

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A high performance humidity sensor using tilted fiber Bragg grating (TFBG) and functional graphene oxide (GO)/multi-walled carbon nanotubes (MWCNTs) hybrid nano-materials was proposed. The humidity-sensitive material with three-dimensional (3D) structure was synthesized by the MWCNTs and GOs. Comparing with traditional two dimensional (2D) GOs film, water molecules could be absorbed effectively due to the larger ripples and more holes in GO/MWCNTs layers. The water molecule will fill the entire space in the 3D structure instead of air, which further enhances the absorption efficiency of the hy
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39

Gao, Peng, Ian MacKay, Andrea Gruber, et al. "Wetting Characteristics of Laser-Ablated Hierarchical Textures Replicated by Micro Injection Molding." Micromachines 14, no. 4 (2023): 863. http://dx.doi.org/10.3390/mi14040863.

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Texturing can be used to functionalize the surface of plastic parts and, in particular, to modify the interaction with fluids. Wetting functionalization can be used for microfluidics, medical devices, scaffolds, and more. In this research, hierarchical textures were generated on steel mold inserts using femtosecond laser ablation to transfer on plastic parts surface via injection molding. Different textures were designed to study the effects of various hierarchical geometries on the wetting behavior. The textures are designed to create wetting functionalization while avoiding high aspect ratio
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40

Aljedani, Jabr, Michael J. Chen, and Barry J. Cox. "Analysing the stability of graphene wrinkles using variational calculus." ANZIAM Journal 63 (July 4, 2022): C97—C109. http://dx.doi.org/10.21914/anziamj.v63.17079.

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The chemical vapour deposition method is widely used to synthesise high quality graphene with a large surface area. However, the cooling process leads to the formations of ripples and wrinkles in the graphene structure. When a self-adhered wrinkle achieves the maximum height, it then folds onto the surface and leads to a collapsed wrinkle. The presence of such deformations often affects the properties of graphene. In this article, we describe a novel mathematical model to understand the formation and geometry of these wrinkles. The stability of these wrinkles is examined based on variational d
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41

Harakat Mohsin Roomy. "Near –IR High Performance LWP Polarizer Design for Optical Laser Systems." International Journal of Scientific Research in Science and Technology 12, no. 3 (2025): 08–15. https://doi.org/10.32628/ijsrst251222702.

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This work constitutes a theoretical design and analysis of an optical polarizer filter exhibiting optimal behavior. The design encompasses long wave pass (LWP) polarizers intended for implementation under non-normal incident of near-infrared (NIR) radiation, it encompasses distinct spectral range which spans wavelengths from 900 to 1200 nm and employs two distinct methodologies: analytical and needle optimization. The design of a dielectric multilayer nano-polarizing filter is predicated on four material groups, which are CTe\SiO2, TiO2\SiO2, Nb2O5\SiO2, and HfO2\SiO2, whereby SiO2 denotes a l
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42

Schnell, Georg, Ulrike Duenow, and Hermann Seitz. "Effect of Laser Pulse Overlap and Scanning Line Overlap on Femtosecond Laser-Structured Ti6Al4V Surfaces." Materials 13, no. 4 (2020): 969. http://dx.doi.org/10.3390/ma13040969.

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Surface structuring is a key factor for the tailoring of proper cell attachment and the improvement of the bone-implant interface anchorage. Femtosecond laser machining is especially suited to the structuring of implants due to the possibility of creating surfaces with a wide variety of nano- and microstructures. To achieve a desired surface topography, different laser structuring parameters can be adjusted. The scanning strategy, or rather the laser pulse overlap and scanning line overlap, affect the surface topography in an essential way, which is demonstrated in this study. Ti6Al4V samples
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González-Romero, Adolfo, Cristina González-Flórez, Agnesh Panta, et al. "Probing Iceland's dust-emitting sediments: particle size distribution, mineralogy, cohesion, Fe mode of occurrence, and reflectance spectra signatures." Atmospheric Chemistry and Physics 24, no. 11 (2024): 6883–910. http://dx.doi.org/10.5194/acp-24-6883-2024.

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Abstract. Characterising the physico-chemical properties of dust-emitting sediments in arid regions is fundamental to understanding the effects of dust on climate and ecosystems. However, knowledge regarding high-latitude dust (HLD) remains limited. This study focuses on analysing the particle size distribution (PSD), mineralogy, cohesion, iron (Fe) mode of occurrence, and visible–near infrared (VNIR) reflectance spectra of dust-emitting sediments from dust hotspots in Iceland (HLD region). Extensive analysis was conducted on samples of top sediments, sediments, and aeolian ripples collected f
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Umm-i-Kalsoom, Nisar Ali, Shazia Bashir, Ali Mohammad Alshehri, and Narjis Begum. "Characterization of KrF Excimer Laser Ablation of Cadmium in Different Liquids for Biomedical and Industrial Applications." Coatings 12, no. 8 (2022): 1193. http://dx.doi.org/10.3390/coatings12081193.

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Liquid-assisted laser ablation (LALA) has gained substantial attention as a method that can achieve desired chemical and physical properties. The fabrication of carbides (CdCO3), oxides (CdO), and hydro-oxides (Cd(OH)2) on Cd surfaces make them more useful in industrial and biomedical applications due to the enhancement of their physical properties. For this purpose, LALA of Cadmium (Cd) is performed using a KrF Excimer laser (248 nm, 20 ns) at varying numbers of pulses from 500 to 2000 at constant fluence (3.6 Jcm−2) in deionized water (DI) and ethanol. A comparison of the ablation behavior o
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Cruz García, Cristian Felipe, M. A. Garcia, E. Flores-Romero, et al. "Self-organized gold nanoparticles on SiO2 surface nanopatterns induced by MeV ion implantation." Superficies y Vacío 38 (January 28, 2025): 250101. https://doi.org/10.47566/2025_syv38_1-250101.

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Ion implantation at MeV energies leads to the formation of surface nano-patterns on diverse kinds of materials, such as metals, dielectrics, and semiconductors. Furthermore, under oblique irradiation, the implanted ions are preferentially deposited on the crests of such patterns. Based on previous experimental results, in this work the formation of gold nanoparticles is produced and found to be organized onto prepatterned surfaces as produced by 1.8 MeV Au ion implantation on SiO2 substrates at an impinging angle of 45°. The ion implantation was performed with an ion beam current of 400 nA for
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Donaghy, Clare, Ryan McFadden, Graham Smith, et al. "Fibre Laser Treatment of Beta TNZT Titanium Alloys for Load-Bearing Implant Applications: Effects of Surface Physical and Chemical Features on Mesenchymal Stem Cell Response and Staphylococcus aureus Bacterial Attachment." Coatings 9, no. 3 (2019): 186. http://dx.doi.org/10.3390/coatings9030186.

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A mismatch in bone and implant elastic modulus can lead to aseptic loosening and ultimately implant failure. Selective elemental composition of titanium (Ti) alloys coupled with surface treatment can be used to improve osseointegration and reduce bacterial adhesion. The biocompatibility and antibacterial properties of Ti-35Nb-7Zr-6Ta (TNZT) using fibre laser surface treatment were assessed in this work, due to its excellent material properties (low Young’s modulus and non-toxicity) and the promising attributes of fibre laser treatment (very fast, non-contact, clean and only causes changes in s
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Fraggelakis, Fotis, Girolamo Mincuzzi, Inka Manek-Hönninger, John Lopez, and Rainer Kling. "Generation of micro- and nano-morphologies on a stainless steel surface irradiated with 257 nm femtosecond laser pulses." RSC Advances 8, no. 29 (2018): 16082–87. http://dx.doi.org/10.1039/c8ra01774c.

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Yang, Huizhu, Gedong Jiang, Wenjun Wang, and Xuesong Mei. "Femtosecond Laser Fabrication of Micro and Nano-Structures on CIGS/ITO Bilayer Films for Thin-Film Solar Cells." Materials 14, no. 9 (2021): 2413. http://dx.doi.org/10.3390/ma14092413.

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Cu(In, Ga)Se2 (CIGS) thin films have attracted considerable interest as potential photovoltaic solar cells. Moreover, several current studies are focusing on improving their conversion efficiency. This study proposes a method to process micro- and nanostructures onto the surface of CIGS/ITO bilayer films to broaden the field of solar cell application. The bilayer films exhibited optical characteristics different from those of a single-film during processing. Field intensities at different layer positions of the CIGS/ITO bilayer films were analyzed, and different structures were fabricated by v
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SHAIK MOHAMMAD. "Modern concepts of agricultural research : Ripples and options for conservation agriculture and resource use efficiency." Indian Journal of Agronomy 54, no. 2 (2001): 149–58. http://dx.doi.org/10.59797/ija.v54i2.4792.

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India witnessed self sufficiency in food production by shifting from the traditional organic to chemical-industrial agriculture in the second half of the past century. The production levels plateaud and several challenges of soil- health, crop production and environment have become critical in the new millennium. This need paradigm shifts in agricultural practices and research priorities. Systems Rice intensification conserves water, but it is difficult to practice. Organic farming is eco-friendly but, organic source of nutrients are not sufficient to meet the nutrient re- quirement of crops a
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CUI, YUXIAO, PING GUO, YANLING TIAN, DAWEI ZHANG, HOUJUN QI, and YUJUN CAI. "INFLUENCE OF FEMTOSECOND-LASER-INDUCED PERIODIC SURFACE STRUCTURES ON THE TRIBOLOGICAL PERFORMANCE OF CVD NANO-CRYSTALLINE DIAMOND FILMS." Surface Review and Letters, March 30, 2022. http://dx.doi.org/10.1142/s0218625x22500688.

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Laser-induced periodic surface structures (LIPSS, ripples) are generated on CVD nano-crystalline diamond (NCD) films by femtosecond laser irradiation in air (pulse duration 200[Formula: see text]fs and central wavelength 1040[Formula: see text]nm). The experimental conditions (laser fluence and spatial spot overlap) are optimized to obtain a [Formula: see text][Formula: see text]mm2 area covered with homogenous LIPSS. Then, the influence of LIPSS on the frictional performance of NCD films is investigated by dry reciprocating ball-on-disc tests, where ZrO2 ceramic balls are used as counterparts
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