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Effect of the Magnetic field and duration time on Thickness and Structure of Silver Thin films Deposition by Magnetron Sputtering 磁场和持续时间对磁控溅射沉积银薄膜厚度和结构的影响
Pub Date : 2019-06-10 DOI: 10.31257/2018/JKP/2019/110101
Abdulhussain A. Khadyair, Shimaa Rajh Taly
Article history: Received: 12 MAR, 2018 Accepted: 10 MAY, 2018 Available Online: 3 JUL., 2019 In this paper, the effect of magnetic field on thickness of silver (Ag) thin films were deposition on glass substrates by DC magnetron sputtering method of silver target were studied, with permanent and variable magnetic field. Ag thin films with (84,89,94,269,290) nm, thickness were prepared at different deposition times (10,30,60) sec. The crystalline structure of thin films was evaluated by X-ray diffraction (XRD) and the atomic force microscopy (AFM) were employed for surface morphological studies of the films. The results show that the thickness of the films increases with increases magnetic field to 250 Gauss, and when are greater than (250Gauss) the effect of magnetic field starts to decrease and be ineffective, and also the results indicate an increase of the grain size from (144.9 -276.7) nm and films surface roughness from (0.431-22.7) nm. DOI: http://dx.doi.org/10.31257/2018/JKP/2019/110101 K e y w o r d s : Magnetic field Silver (Ag) films films thickness properties structure بيكستو كمسلا ىلع تينمزلا ةدملاو يسيطانغملا لاجملا سيثأت تيشغلأ Ag ينوستنكاملا ريذستلاب تبسسملا تقيقسلا از ءاميش حج يلات سيضخ سابع نيسحلا دبع مسق ،ءايضيفلا ،تيبشخلا تيلك تيسداقلا تعماج :تيحاخفملا ثاملكلا لا ــــ خ ـــ صلا ـــ ت
本文研究了在恒磁场和变磁场条件下,用直流磁控溅射法在玻璃衬底上沉积银(Ag)薄膜对磁场厚度的影响。在不同的沉积时间(10、30、60)秒下,制备了厚度为(84、89、94、269,290)nm的银薄膜。利用x射线衍射(XRD)和原子力显微镜(AFM)对薄膜的晶体结构进行了表征。结果表明:当磁场强度达到250Gauss时,薄膜的厚度随磁场强度的增加而增加,当磁场强度大于250Gauss时,薄膜的晶粒尺寸从(144.9 ~ 276.7)nm增大,薄膜表面粗糙度从(0.431 ~ 22.7)nm增大。DOI: http://dx.doi.org/10.31257/2018/JKP/2019/110101 K e y w o r d s:磁场银(Ag)电影电影厚度属性结构بيكستوكمسلاىلعتينمزلاةدملاويسيطانغملالاجملاسيثأتتيشغلأAgينوستنكاملاريذستلابتبسسملاتقيقسلاازءاميشحجيلاتسيضخسابعنيسحلادبعمسق،ءايضيفلا،تيبشخلاتيلكتيسداقلاتعماج:تيحاخفملاثاملكلالاــــخـــصلاـــت
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引用次数: 0
Calculation of Stopping Power for Protons, Carbon and Oxygen Ions in C2H4O, C3H3N Polymers c2h40o、C3H3N聚合物中质子、碳、氧离子停止力的计算
Pub Date : 2019-06-10 DOI: 10.31257/2018/JKP/2019/110113
Zainab Hussein mutar, R. O. Kadhim
In this research , the electronic stopping power was calculated using Bethe and Bragg rule equations for the protons , carbon and oxygen ions in the polymers (C 3 H 3 N ,C 2 H 4 O) in energy range of (0.01-1000) MeV. The equations were programmed using MATLAB 2016 , the calculations were compared with the experimental data of the SRIM2013program and PSTAR code. This comparison showed a good agreement with experimental data . As shown results that stopping power calculated according to Bethe equation in this polymers (C 3 H 3 N ,C 2 H 4 O) get the case a cut off in energies (0.01-8) MeV for carbon and oxygen ions
在本研究中,利用Bethe和Bragg规则方程计算了聚合物(c3h3n, c2h4o)中质子、碳和氧离子在(0.01-1000)MeV能量范围内的电子停止功率。利用MATLAB 2016编写了方程,计算结果与srim2013程序和PSTAR代码的实验数据进行了比较。对比结果与实验数据吻合较好。结果表明,根据Bethe方程计算该聚合物(c3h3n, c2h4o)的停止功率,可以得到碳离子和氧离子在能量(0.01-8)MeV之间的截断
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引用次数: 0
Frontal Chest X-Ray Image Colorization Using Various Mathematical Experimental Equations 使用各种数学实验方程的胸前x射线图像着色
Pub Date : 2019-06-10 DOI: 10.31257/2018/JKP/2019/110112
Kawther H. Al-khafaji, Kufa, Iraq., Layla Abd al Jaleel Al-Yasiri
Chest x-ray medical images are widely used for diagnostic purposes for several reasons including it available, attainable and excellent imaging of hard tissues like bones, but there is difficulty in imaging of the soft tissues, moreover the saturated colour of the x-ray image causing intricacy to read it, therefore, turned attention to the colorization process which can be used to transform the grayscale medical images to the colour medical images. In this paper, a new pseudo-coloring method proposed for colorizing the frontal chest x-ray medical images which are very important for disease detection and recognition. The key idea of this method is applying different and various experimental mathematical equations on the proposed medical sample image, which it belongs to the patient with Hydatid cyst parasite disease in the lung. The counterfeit coloring had intense contribute in enhancing of the visual attractiveness of medical images, the output colored images have a better visual description, it has a possibility to describe hidden information better than a conventional monochromatic image, this is an excellent indicator of the algorithm's suitability for the purpose for which it was formulated.
胸部x线医学图像被广泛用于诊断目的,其原因包括其可获得、可获得和对骨骼等硬组织的良好成像,但对软组织的成像存在困难,并且x线图像的饱和颜色导致其阅读复杂,因此将注意力转向可用于将灰度医学图像转换为彩色医学图像的着色过程。本文提出了一种新的伪上色方法,用于胸部x线医学图像的上色,对疾病的检测和识别具有重要意义。该方法的核心思想是将不同的、不同的实验数学方程应用于所提出的属于肺包虫病患者的医学样本图像上。伪造着色对增强医学图像的视觉吸引力有很大的贡献,输出的彩色图像具有更好的视觉描述,与传统的单色图像相比,它有可能更好地描述隐藏信息,这是该算法适合其制定目的的一个很好的指标。
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引用次数: 1
Synthesis of silver nanoparticles by Nd:YAG laser and study Optical Limiting Behavior of colloid Nd:YAG激光合成纳米银并研究胶体的光限行为
Pub Date : 2019-06-10 DOI: 10.31257/2018/JKP/2019/110102
R. S. Alnayli, H. Alkazaali
Article history: Received: 13 JUN, 2018 Accepted: 13 AUG, 2018 Available Online:11 JUL, 2019 In the present work, silver nanoparticle was synthesis by pulse laser ablation by using (Q-switched Nd:YAG) pulse duration10ns and (E=80mJ, λ=532nm) of silver metal target in deionize-water and ethanol. The results of XRD explain that not found any impurity in diffraction peaks in the pattern and Ag nanoparticles have high quality from of crystalline, which evidences the presence of silver particles with FCC structure. The optical properties were studied with UltravioletVisible (UV-Vis) spectrophotometer which showed blue-shaft with pulse number, and atomic force microscope (AFM) indicates the size in nanometer (nm) range abut(40-80)nm. DOI: http://dx.doi.org/10.31257/2018/JKP/2019/110102 K e y w o r d s : Laser ablation Pulse Laser Silver nanoparticle Optical limiter رزيل ةطساوب ةيونانلا ةضفلا تاميسج ريضحت Nd: YAG يورغلا لولحملل يرصبلا دذحملا كولس ةساردو يعازخلا ميعك نانح انلا ركاش ذعر ئ ل ي قاشعلا ، ءبٌضٍفلا نسل ، تٍسدبملا تعهبج :تٍحبخفولا ثبولكلا لا ــــ خ ـــ صلا ـــ ت
本文研究了在去离子水和乙醇中,采用(调q Nd:YAG)脉冲持续时间10ns, (E=80mJ, λ=532nm)脉冲激光烧蚀法制备纳米银。XRD分析结果表明,衍射峰中未发现杂质,银纳米粒子具有较高的晶体质量,证明了FCC结构银粒子的存在。用紫外-可见分光光度计(UV-Vis)和原子力显微镜(AFM)对其光学性质进行了研究,发现其在纳米(nm)范围内的尺寸约为(40-80)nm。DOI: http://dx.doi.org/10.31257/2018/JKP/2019/110102 K e y w o r d s:激光消融脉冲激光器银纳米粒子的光学限幅رزيلةطساوبةيونانلاةضفلاتاميسجريضحتNd: YAGيورغلالولحملليرصبلادذحملاكولسةساردويعازخلاميعكنانحانلاركاشذعرئليقاشعلا،ءبٌضٍفلانسل،تٍسدبملاتعهبج:تٍحبخفولاثبولكلالاــــخـــصلاـــت
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引用次数: 2
Study the effect of cathode geometry on I-V characteristics of nitrogen dc glow discharge 研究阴极几何形状对氮直流辉光放电I-V特性的影响
Pub Date : 2019-06-10 DOI: 10.31257/2018/JKP/2019/110110
A. A. Khadayeir, Wessam M. Taher
In this paper, the I-V characteristic of a dc glow discharge are studied with the aim of determine the performance a good parametersfor stable operation of the plasma. Nitrogen plasma produced by dc glow discharge is the investigated with a manypurpose of studying plasma phenomena, the discharge system consists of two electrodes, the cathode forms various geometrical shapes and anode as a disc- shaped with diameter (8.8cm). The electrodes are enclosed in a large cylindrical glass chamber of pyrex filled with nitrogen gas. Two important physical parameters affecting the condition of the discharge are the gas pressure and constant inter-electrode distance. The discharge current-voltage (I-V) characteristic curves of the discharge were measured at variable pressure and the inter-electrode spacing, Current-voltage characteristics visualization of the discharge indicate that the discharge is take place in the normal glow region. The (I-V) characteristics of nitrogen gas discharge were deduced as a plasma system operated in normal glow discharge nitrogen, which is very important parameter in the sputtering and deposition. Also, the discharge current is increased for nitrogen plasma discharge with the increasing of the working pressure lead to increase the deposition rate. DIO.: http://dx.doi.org/10.31257/2018/JKP/2019/110110
本文研究了直流辉光放电的I-V特性,目的是确定等离子体的性能和稳定运行的良好参数。以直流辉光放电产生的氮等离子体为研究对象,该放电系统由两个电极组成,阴极呈各种几何形状,阳极呈直径为8.8cm的圆盘状。电极被封闭在一个充满氮气的大圆柱形耐热玻璃室中。影响放电条件的两个重要物理参数是气体压力和电极间的恒定距离。在变压力和电极间距下测量了放电的电流-电压(I-V)特性曲线,显示了放电的电流-电压特性,表明放电发生在正常发光区域。推导了等离子体系统在正常辉光放电氮气条件下的放电(I-V)特性,这是溅射和沉积过程中的一个重要参数。氮等离子体放电的放电电流随着工作压力的增大而增大,导致沉积速率增大。戴奥。: http://dx.doi.org/10.31257/2018/JKP/2019/110110
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引用次数: 0
Design and simulation of a 2-shaped Slotloaded Rectangular Microstrip Patch Antenna 2型槽载矩形微带贴片天线的设计与仿真
Pub Date : 2018-12-10 DOI: 10.31257/2018/jkp/100204
Zeki A. Ahmed, Ahmed H. Abood, Huda Sh. Gally
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引用次数: 0
Study the Effect of adding Carboxy Methyl Cellulose Powder to Low Density Polyethylene on Shielding Radiation for the X-ray 研究低密度聚乙烯中添加羧甲基纤维素粉对x射线屏蔽辐射的影响
Pub Date : 2018-12-10 DOI: 10.31257/2018/jkp/100215
Raed M.Shaban, H. J. Shaymaa, W. A. Radhi, Ziyad T. Almalki, A. MuzahimM.
Carboxy methyl cellulose  Low Density Polyethylene  Shielding radiation The attenuation measurements of x-ray of voltage range (21kv) for hosted polymer material were done using x-ray unit, in order to extract the effect of adding carboxy methyl cellulose material (CMC) to low density polyethylene on x-ray radiation attenuation . The linear attenuation coefficient (µ l ) was calculated for the voltage range mentioned above , through linear equations of the yield of graphic representation between the logarithmic absorption and the sample thickness X(cm). The mass attenuation coefficient (µ m ) could also be calculated through the graphic relation between the logarithmic absorption and the equivalent thickness of the sample X m (gm/cm 2 ) such that slope of the graphic relation represents linear the attenuation coefficient or mass attenuation coefficient. The calculated results indicated that the efficiency of
为了提取羧甲基纤维素(CMC)在低密度聚乙烯中添加对x射线辐射衰减的影响,利用x射线单元对负载聚合物材料在电压范围(21kv)下的x射线衰减进行了测量。通过对数吸收与样品厚度X(cm)之间的图形表示产率的线性方程,计算上述电压范围内的线性衰减系数(µl)。也可以通过对数吸收与样品等效厚度X m (gm/ cm2)的图形关系来计算质量衰减系数(µm),图形关系的斜率表示衰减系数或质量衰减系数的线性关系。计算结果表明
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引用次数: 0
Calculation of the Relative Stopping Power of Protons and Alpha Particles In Water 水中质子和α粒子相对停止力的计算
Pub Date : 2018-12-10 DOI: 10.31257/2018/jkp/100217
Wafaa Nsaif Jasim Abuirqeba
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引用次数: 0
Study of some Structural Properties for Liquid Crystal Material that is prepared from Schiff bases and some complexes 席夫碱及其配合物制备液晶材料的结构性能研究
Pub Date : 2018-12-10 DOI: 10.31257/2018/jkp/100216
Shaymaa Jabbar Abdul-razzaq
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引用次数: 1
Study of The Breakup Channel Effect on The Semiclassical and Quantum Mechanical Calculations for The Light and Medium System 破裂通道效应对光介质系统半经典和量子力学计算的影响
Pub Date : 2018-12-10 DOI: 10.31257/2018/jkp/100210
Fouad A. Majeed, Khalid H. H. AlAteah, Malik S. Mhaimeed
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引用次数: 1
期刊
Journal of Kufa - Physics
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