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| 1 | Effect of fluence and ambient environment on the surface and structural modification of femtosecond laser irradiated Ti显示文摘Under certain conditions, ultrafast pulsed laser interaction with matter leads to the formation of self-organized conical as well as periodic surface structures(commonly reffered to as, laser induced periodic surface structures, LIPSS). The purpose of the present investigations is to explore the effect of fsec laser fluence and ambient environments(Vacuum &O_2) on the formation of LIPSS and conical structures on the Ti surface. The surface morphology was investigated by scanning electron microscope(SEM). The ablation threshold with single and multiple(N = 100) shots and the existence of an incubation effect was demonstrated by SEM investigations for both the vacuum and the O_2 environment. The phase analysis and chemical composition of the exposed targets were performed by x-ray diffraction(XRD) and energy dispersive x-ray spectroscopy(EDS), respectively. SEM investigations reveal the formation of LIPSS(nano & micro). FFT d-spacing calculations illustrate the dependence of periodicity on the fluence and ambient environment. The periodicity of nano-scale LIPSS is higher in the case of irradiation under vacuum conditions as compared to O_2. Furthermore, the O2 environment reduces the ablation threshold. XRD data reveal that for the O_2 environment, new phases(oxides of Ti) are formed. EDS analysis exhibits that after irradiation under vacuum conditions, the percentage of impurity element(Al) is reduced. The irradiation in the O_2 environment results in 15% atomic diffusion of oxygen. | Umm-i-Kalsoom Shazia Bashir Nisar Ali M Shahid Rafique Wolfgang Husinsky Chandra S R Nathala Sergey V Makarov Narjis Begum | 2016 | Chinese Physics B2016，25，1： | 2 |
| 2 | Quantitation of promoter methylation of multiple genes in urine DNA and bladder cancer detection显示文摘 | BEGUM S TOPALOGLU O | 2006 | J Natl Cancer Inst2006，98，14： | 1 |
| 3 | Expression Profiling of Lymphocyte Plasma Membrane Proteins 显示文摘 | PEIRCE M J WAIT R BEGUM S | 2004 | Mol Cell Proteomics2004，，3： | 1 |
| 4 | Cyclic deformation be- havior of a cast aluminum alloy显示文摘 | Emami A R Begum S Chen D L | 2009 | Mater Sci Eng A2009，，516： | 1 |
| 5 | Maternal obesity and pregnancy outcome显示文摘 | BEGUM K S SACHCHITHANANTHAM K De SOMSUBHRA S | 2011 | Clin Exp Obstet Gynecol2011，38，1： | 1 |
| 6 | Amide-based ligands for anion coordination显示文摘 | Kang S O Begum R A Bowman-James K | 2006 | Angew Chem IntEd2006，45，47： | 1 |
| 7 | Early adolescent participa- tion in physical activity: correlates with individual and family characteristics显示文摘 | MULHALL P REIS J BEGUM S | 2011 | J Phys Act Heal2011，8，： | 1 |
| 8 | The primary host defense system across humans, flies and plants显示文摘 | BEGUM N MATSUMOTO M TSUJI S | 2000 | Current Trends in Immunology2000，，3： | 1 |
| 9 | Molecular characterization of eggplant crosses by using RAPD analysis显示文摘 | Sharmin D Khalil M I Begum S N | 2011 | Int J Sustain Crop Prod2011，6，1： | 1 |
| 10 | Oleanderol, a new pentacyclic triterpene from the leaves of Nerium oleander 显示文摘 | Siddiqui S Hafeez F Begum S | 1988 | JNat Prod1988，51，2： | 1 |
| 11 | An epigenetic marker panel for detection of lung cancer using cell-free serum DNA 显示文摘 | Begum S Brait M Dasgupta S | 2011 | Clin Cancer Res2011，17，13： | 1 |
| 12 | Plant regeneration through somatic embryogenesis of a medicinal plant, Phellodendron amurense Rupr显示文摘 | Azad M A K Yokota S Begum F Yoshizawa N | 2009 | In Vitro Cellular & Developmental Biology-Plant2009，45，4： | 1 |
| 13 | A replenishment poli- cy for items with price-dependent demand, time-propor- tional deterioration and no shortages 显示文摘 | Begum R Sahoo R R Sahu S K | 2012 | International Journal of System Science2012，43，5： | 1 |
| 14 | Preconcentration of phthalic acid esters in water samples by Saccharomyces cerevisiae immobilized on silica gel显示文摘 | Katsumata H Begum A Kaneco S | 2004 | Analytica chimica acta2004，502，2： | 1 |
| 15 | Effect of mycoflora on the physico -chemical characteristics of oil obtained from the infected sunflower,toria and sesame seeds显示文摘 | BEGUM M RAVISHANKAR RAI V Lokesh S | 2003 | Journal of food science and technology2003，40，6： | 1 |
| 16 | Pentacyclic triterpenoids from the leaves of Plumeria obtuse 显示文摘 | Siddiqui-S S S B Naeed A Begum S | 1989 | Phytochemistry1989，28，： | 1 |
| 17 | The oocyte population is not renewed in transplanted or irradiated adult o- varies显示文摘 | BEGUM S PAPAIOANNOU V E GOSDEN R G | 2008 | Human Reproduction2008，23，10： | 1 |
| 18 | Coronary artery disease in young patients:clinical reviewand risk factor analysis显示文摘 | Uddin S N Begum F Malik F | 2003 | LtymensinghMed J2003，12，1： | 1 |
| 19 | Use of a condom to control massive postpartum hemorrhage显示文摘 | Akhter S Begum MR Kabir Z | 2003 | Med Gen Med2003，5，3： | 1 |
| 20 | Selected elemental composition of the muscle tissue of three species of fish, Tilapia nilotica, Cirrhina mrigala and Clarius batrachus, from the fresh water Dhanmondi Lake in Bangladesh显示文摘 | Begum A Nurul M A Kaneco S | 2005 | FoodChem2005，93，3： | 1 |
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