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International Journal of Nanotechnology最新文献

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Characteristics of titanium dioxide nanotubes annealed under various conditions and quenched using liquid nitrogen 二氧化钛纳米管在不同条件下退火和液氮淬火的特性
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.124497
K. T. Low, K. P. Beh, H. Lim, F. Yam
{"title":"Characteristics of titanium dioxide nanotubes annealed under various conditions and quenched using liquid nitrogen","authors":"K. T. Low, K. P. Beh, H. Lim, F. Yam","doi":"10.1504/ijnt.2022.124497","DOIUrl":"https://doi.org/10.1504/ijnt.2022.124497","url":null,"abstract":"- This paper presents the effects of the different annealing treatments and quenching conditions on the characteristics of titanium dioxide nanotubes (TNTs), which were synthesised successfully via two-step anodization. The X-ray diffraction (XRD) showed that TNTs annealed and quenched using liquid nitrogen (N 2 ) exhibited significant dissimilarities in the phase transition and plane dominance, as compared to that of air quenched. It also revealed that the liquid N 2 quenching was capable of suppressing the phase transition of anatase into rutile. Apart from that, the elemental analysis showed that liquid N 2 quenching led to Leidenfrost effect, which had affected the Ti:O ratio of the TNTs significantly. Morphologically, the use of controllable water vapour/N 2 was found to be able to preserve the nanotubular structures, even at the high annealing temperature of 850 °C. From the optical aspect, the bandgap energy of all samples were found to decrease when the annealing temperatures increased, regardless of the annealing and quenching conditions. Particularly, the crystal structure of TNTs was found to exert greater effect on their bandgap energy, as compared to that of crystallite size when the annealing temperatures were varied between 650 °C and 850 °C.","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66786567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
X-ray diffraction analysis of gallium oxide thin films synthesised by a simple and cost-effective method 一种简单而经济的方法合成氧化镓薄膜的x射线衍射分析
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.124499
T. Wang, S. Ng
{"title":"X-ray diffraction analysis of gallium oxide thin films synthesised by a simple and cost-effective method","authors":"T. Wang, S. Ng","doi":"10.1504/ijnt.2022.124499","DOIUrl":"https://doi.org/10.1504/ijnt.2022.124499","url":null,"abstract":"- Wide energy gap beta type gallium oxide (Ga 2 O 3 ) semiconductor material has attracted many researchers’ interests due its thermal and chemical stability. For synthesising Ga 2 O 3 thin films, sol-gel spin coating is a simple and cost-efficient method, especially for spin coating on cheap substrate such as silicon (Si) substrate. However, little is known about the spin coating growth of the Ga 2 O 3 thin films on Si substrate. In this paper, special attention was paid to the pre-treatment of the Si substrate and the coated layer prior and post spin coating because the uniformity and the quality of the synthesized films are strongly affected by the surface conditions of the substrate/layer. To access the structural and crystallite quality of the deposited Ga 2 O 3 , X-ray diffraction measurements were carried out and in-depth analyses using Williamson-Hall and size-strain plots methods were performed. The results show that the crystallite size of the spin coated Ga 2 O 3 on Si is not influenced by the micro strain.","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66787142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effects of post-deposition annealing in oxygen ambient of RF magnetron sputtered Ga2O3 thin film 氧环境下磁控溅射Ga2O3薄膜沉积后退火的影响
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.124502
Puteri Haslinda Megat Abdul Hedei, Z. Hassan, H. J. Quah
{"title":"Effects of post-deposition annealing in oxygen ambient of RF magnetron sputtered Ga2O3 thin film","authors":"Puteri Haslinda Megat Abdul Hedei, Z. Hassan, H. J. Quah","doi":"10.1504/ijnt.2022.124502","DOIUrl":"https://doi.org/10.1504/ijnt.2022.124502","url":null,"abstract":"- In this work, the gallium oxide (Ga 2 O 3 ) thin films were deposited on silicon substrate using radio frequency (RF) magnetron sputtering and these Ga 2 O 3 thin films were subjected to post-deposition annealing in oxygen ambient at different temperatures of 400, 600, 800, and 1000℃ for 60 minutes. The structural properties of post-deposition annealed Ga 2 O 3 thin films were characterized using grazing incidence X-ray diffraction (GIXRD). Atomic force microscopy (AFM) and field emission scanning electron microscopy (FESEM) were employed to attain the three-dimensional surface topographies and morphologies, respectively, for the investigated Ga 2 O 3 thin films. In additional, elemental composition of these thin films were characterized using energy-dispersive X-ray spectroscopy and thickness of the investigated Ga 2 O 3 thin films were estimated based on the cross-sectional FESEM images. Current-voltage characteristics of the Ga 2 O 3 thin films subjected to different post-depositional annealing temperatures were also presented in this work.","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66787239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on gene therapy of neurons based on narcotic nanoparticles intervention in cerebral schemia 基于麻醉纳米粒子干预脑图式的神经元基因治疗研究
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.10053996
Fan Zhang, Xin Xiao, Fan Lei
{"title":"Research on gene therapy of neurons based on narcotic nanoparticles intervention in cerebral schemia","authors":"Fan Zhang, Xin Xiao, Fan Lei","doi":"10.1504/ijnt.2022.10053996","DOIUrl":"https://doi.org/10.1504/ijnt.2022.10053996","url":null,"abstract":"","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66785906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Image-based automatic segmentation of leaf using clustering algorithm 基于图像的树叶自动分割聚类算法
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.10053964
A. Pandit, Shivalika Sharma, C. Chakraborty, Shubham Mahajan, Davinder Paul Singh
{"title":"Image-based automatic segmentation of leaf using clustering algorithm","authors":"A. Pandit, Shivalika Sharma, C. Chakraborty, Shubham Mahajan, Davinder Paul Singh","doi":"10.1504/ijnt.2022.10053964","DOIUrl":"https://doi.org/10.1504/ijnt.2022.10053964","url":null,"abstract":"","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66786203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Application of micro nano bubble technology in water level recovery of water conservancy construction engineering 微纳气泡技术在水利建设工程水位恢复中的应用
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.10054952
F. Luo, Yuzhen Wang, Dongling Zhang
{"title":"Application of micro nano bubble technology in water level recovery of water conservancy construction engineering","authors":"F. Luo, Yuzhen Wang, Dongling Zhang","doi":"10.1504/ijnt.2022.10054952","DOIUrl":"https://doi.org/10.1504/ijnt.2022.10054952","url":null,"abstract":"","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66786485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the effect of carrier-free dual-drug nanocrystals against colon cancer cells 无载体双药纳米晶体抗结肠癌细胞作用的研究
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.10054953
Rong Wang, Zhichao Ye, Xiaojun Tao, Rushi Liu, Y. Qiu, Meifang Quan, Shanyi Yang, Feiyi Chu, Qing Jiang, Yi Zhang
{"title":"Study on the effect of carrier-free dual-drug nanocrystals against colon cancer cells","authors":"Rong Wang, Zhichao Ye, Xiaojun Tao, Rushi Liu, Y. Qiu, Meifang Quan, Shanyi Yang, Feiyi Chu, Qing Jiang, Yi Zhang","doi":"10.1504/ijnt.2022.10054953","DOIUrl":"https://doi.org/10.1504/ijnt.2022.10054953","url":null,"abstract":"","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66786532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation on the photothermal conversion performance of SiC nanofluid for a direct absorption solar collector 碳化硅纳米流体用于直接吸收太阳能集热器的光热转换性能评价
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.122364
H. Kim, J. Ham, Honghyun Cho
{"title":"Evaluation on the photothermal conversion performance of SiC nanofluid for a direct absorption solar collector","authors":"H. Kim, J. Ham, Honghyun Cho","doi":"10.1504/ijnt.2022.122364","DOIUrl":"https://doi.org/10.1504/ijnt.2022.122364","url":null,"abstract":"","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66786731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Influence of growth temperature of p-GaN layer on the characteristics of InGaN/GaN blue light emitting diodes p-GaN层生长温度对InGaN/GaN蓝光发光二极管特性的影响
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.124514
R. Asri, N. Hamzah, M. A. Ahmad, E. Alias, M. Sahar, M. Abdullah
{"title":"Influence of growth temperature of p-GaN layer on the characteristics of InGaN/GaN blue light emitting diodes","authors":"R. Asri, N. Hamzah, M. A. Ahmad, E. Alias, M. Sahar, M. Abdullah","doi":"10.1504/ijnt.2022.124514","DOIUrl":"https://doi.org/10.1504/ijnt.2022.124514","url":null,"abstract":"- InGaN/GaN blue light-emitting diodes (LEDs) have been successfully growth via metal organic chemical vapor deposition (MOCVD) in temperature range 920 to 1020 °C growth temperatures for p-GaN layer. The significant of p-GaN growth temperature are studied in detail according to the electrical, optical, and structural performances of InGaN/GaN multiple-quantum-well (MQW) blue LEDs. From experimental analysis, decrement growth temperature of p-GaN layer shows improvement trends in term of output power values and turn on voltage values. The optical and structural properties of InGaN/GaN MQW blue LEDs structure were enhanced based on the decrement of photoluminescence (PL) intensity with increasing growth temperature of the p-GaN layer. This study yields an optimized p-GaN layer growth temperature for understanding highly efficient InGaN/GaN blue LED devices.","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66787163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A novel and intelligent decision-making system for real-time healthcare tracking using commercial wearable data 一种新颖的智能决策系统，用于使用商业可穿戴数据进行实时医疗跟踪
IF 0.5 4区 材料科学
International Journal of Nanotechnology Pub Date : 2022-01-01 DOI: 10.1504/ijnt.2022.10046771
Teppala Venkata Ramana, Anudeep Peddi
{"title":"A novel and intelligent decision-making system for real-time healthcare tracking using commercial wearable data","authors":"Teppala Venkata Ramana, Anudeep Peddi","doi":"10.1504/ijnt.2022.10046771","DOIUrl":"https://doi.org/10.1504/ijnt.2022.10046771","url":null,"abstract":"","PeriodicalId":14128,"journal":{"name":"International Journal of Nanotechnology","volume":null,"pages":null},"PeriodicalIF":0.5,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66785470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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