INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019最新文献

{"title":"Performance of DSSC transparent based on hybrid Dn-F015 with spinach chlorophyll dye","authors":"Fernince Ina Pote, A. Supriyanto, F. Nurosyid, N. E. Diyanahesa, A. H. Ramelan","doi":"10.1063/1.5141625","DOIUrl":"https://doi.org/10.1063/1.5141625","url":null,"abstract":"This study aims to determine the characteristics of DSSC using dye synthesis type DN-F015. Sensitization of dye solar cells consists of FTO / TiO2 / dyes / electrolytes / platinum / FTO. Characterization of optical properties (absorbance spectrum) and electrical properties (conductivity) were tested in natural organic dye solutions and synthetic dyes for DSSC performance. The optical properties of natural organic dyes and synthetic dyes were tested using a UV Visible Spectrophotometer 1601 PC, while the electrical properties were tested using an El-Kahfi I-V Meter in dark and light conditions, DSSC I-V characterization was tested using Keithley Type 2602A. The highest conductivity yield in the ratio of synthetic dyes: natural dyes (0.5 mg: 10 gr) is 0.012 (Ω-1m-1). The characteristics of I-V were measured using Keithley Type 2602A. An energy conversion efficiency (η) of 0.25% was obtained under irradiated sunlight simulator AM 1.5 (1000 mW/cm2), indicating an increase. Most significant VOC value in the rate of 0.5 mg was 0.64 volts, the addition of Dn-F015 type synthesis dye can increase DSSC performance efficiently.This study aims to determine the characteristics of DSSC using dye synthesis type DN-F015. Sensitization of dye solar cells consists of FTO / TiO2 / dyes / electrolytes / platinum / FTO. Characterization of optical properties (absorbance spectrum) and electrical properties (conductivity) were tested in natural organic dye solutions and synthetic dyes for DSSC performance. The optical properties of natural organic dyes and synthetic dyes were tested using a UV Visible Spectrophotometer 1601 PC, while the electrical properties were tested using an El-Kahfi I-V Meter in dark and light conditions, DSSC I-V characterization was tested using Keithley Type 2602A. The highest conductivity yield in the ratio of synthetic dyes: natural dyes (0.5 mg: 10 gr) is 0.012 (Ω-1m-1). The characteristics of I-V were measured using Keithley Type 2602A. An energy conversion efficiency (η) of 0.25% was obtained under irradiated sunlight simulator AM 1.5 (1000 mW/cm2), indicating an increase. Most significant VOC value in the ra...","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"2012 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131970173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The development of an experiential learning module for fluid mechanics subject","authors":"Rieky Handoko, I. Widiastuti, N. A. Pambudi","doi":"10.1063/1.5141669","DOIUrl":"https://doi.org/10.1063/1.5141669","url":null,"abstract":"Engineering education is not only about the acquisition of specific practical skills, but also of conceptual, planning, and design skills. Therefore, it is necessary to design a framework for teaching methodologies that enable this. For example, experience-based learning, or Experiental Learning (EL), is a teaching and learning methodology which is gaining more recognition in Engineering education. EL utilizes four stages of active learning, which are concrete experience, reflection observation, conceptualization or abstract thinking, and active (applied) experience. In this study therefore an active learning module has been developed, which includes the four EL stages and Finite Element Method which can be applied to courses in Fluid Mechanics. The module was developed based on analysis of students’ learning styles using the VARK procedure. ADDIE model was used which consists of five stages: analysis, design, development, implementation, and evaluation. The results of the analysis show that the majority of prospective users, at 35.07%, prefer an auditory learning style and 26.53% of users prefer a kinesthetic learning style. These learning styles are accommodated by the Lecture Implementation Plan (RPP). Based on the interviews by Fluid Mechanics lecturers , it can be concluded that the RPP and Student Worksheets (LKS) developed can feasibly be applied to the courses. However, the model improvement is still necessary in preliminary activities and concluding activities need to be more detailed. The expectation of the learning modules developed enhance students’ understanding of Fluid Mechanics concepts and their ability to apply theoretical concepts to practical material.Engineering education is not only about the acquisition of specific practical skills, but also of conceptual, planning, and design skills. Therefore, it is necessary to design a framework for teaching methodologies that enable this. For example, experience-based learning, or Experiental Learning (EL), is a teaching and learning methodology which is gaining more recognition in Engineering education. EL utilizes four stages of active learning, which are concrete experience, reflection observation, conceptualization or abstract thinking, and active (applied) experience. In this study therefore an active learning module has been developed, which includes the four EL stages and Finite Element Method which can be applied to courses in Fluid Mechanics. The module was developed based on analysis of students’ learning styles using the VARK procedure. ADDIE model was used which consists of five stages: analysis, design, development, implementation, and evaluation. The results of the analysis show that the majority ...","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131244442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"SPOT IL - Slow positron facility in Israel","authors":"P. Or, D. Dribin, D. Cohen, G. Erlichman, E. Cohen, O. Hen, E. Piasetzky, I. Sabo-Napadensky, H. Steinberg, S. Beck, G. Ron","doi":"10.1063/1.5135841","DOIUrl":"https://doi.org/10.1063/1.5135841","url":null,"abstract":"A slow positron facility is being built in Israel, at the Hebrew University, for basic and applied research. It consists of a slow positron beam and a compact Positrons Annihilation Lifetime (PAL) spectrometer. The slow positron beam follows a traditional design, using a 22Na source, of about 40mCi, a Tungsten moderator and a unique grounded target cell, with positrons energy that can vary between 0.03 keV and 30 keV. The detection system will be comprised of High Purity Germanium and BaF2 detectors, facing each other, for low background Doppler Broadening (DB) measurements. The target cell is designed to allow a combined measurement of sample conductivity and DB, with the flexibility to add more detection options in the future. The compact PAL spectrometer includes two fast scintillation detectors read by a fast digitizer (DRS4), with a sampling rate of 5.12 GS/s. A dedicated software package was developed to emulate analogue data acquisition. Lifetime measurements were performed using a ∼25 µCi 22Na source. The time resolution was defined using a 60Co source, to be 180-200ps. First positron lifetime validation measurements of Ti resulted in positrons lifetime of 157 ± 4 ps, consistent with previously published values.A slow positron facility is being built in Israel, at the Hebrew University, for basic and applied research. It consists of a slow positron beam and a compact Positrons Annihilation Lifetime (PAL) spectrometer. The slow positron beam follows a traditional design, using a 22Na source, of about 40mCi, a Tungsten moderator and a unique grounded target cell, with positrons energy that can vary between 0.03 keV and 30 keV. The detection system will be comprised of High Purity Germanium and BaF2 detectors, facing each other, for low background Doppler Broadening (DB) measurements. The target cell is designed to allow a combined measurement of sample conductivity and DB, with the flexibility to add more detection options in the future. The compact PAL spectrometer includes two fast scintillation detectors read by a fast digitizer (DRS4), with a sampling rate of 5.12 GS/s. A dedicated software package was developed to emulate analogue data acquisition. Lifetime measurements were performed using a ∼25 µCi 22Na sou...","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132806517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Studying the interface between croconic acid thin films and substrates using a slow positron beam","authors":"D. Peterson, Jiandang Liu, F. Guzman, J. Etzweiler, Gabriel Santoyo, S. Murphy, S. Callori, K. Cousins, T. Usher, Renwu Zhang","doi":"10.1063/1.5135865","DOIUrl":"https://doi.org/10.1063/1.5135865","url":null,"abstract":"Croconic acid (CA) is the first organic ferroelectric with a spontaneous polarity in bulk samples comparable to its inorganic counterparts. As a natural extension of study, ultrathin CA films (∼nm scale) were investigated to reveal ferroelectric effects in films on different substrates for their fundamental and industrial significance. However, the void defect at the interface between the film and substrate is presumed to interfere with surface effects. In this work, a non- invasive technique, a slow positron beam, coupled with Doppler broadening energy spectroscopy (DBES), is applied to study the void defects within the interfacial layer between CA films and Si and SiO2 substrates. The effect of external electric field on defect formation is also investigated and an underlying mechanism is proposed.Croconic acid (CA) is the first organic ferroelectric with a spontaneous polarity in bulk samples comparable to its inorganic counterparts. As a natural extension of study, ultrathin CA films (∼nm scale) were investigated to reveal ferroelectric effects in films on different substrates for their fundamental and industrial significance. However, the void defect at the interface between the film and substrate is presumed to interfere with surface effects. In this work, a non- invasive technique, a slow positron beam, coupled with Doppler broadening energy spectroscopy (DBES), is applied to study the void defects within the interfacial layer between CA films and Si and SiO2 substrates. The effect of external electric field on defect formation is also investigated and an underlying mechanism is proposed.","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129356788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of waste minimization in electroplating for cost saving","authors":"Y. P. Putra, R. W. Soemantojo, U. S. Hamzah","doi":"10.1063/1.5141685","DOIUrl":"https://doi.org/10.1063/1.5141685","url":null,"abstract":"Along with many factories dump waste into Jakarta’s rivers, especially the Electroplating industries, cause river water quality to deteriorate. The serious problem is danger electroplating waste consisting of toxic compounds and accumulate in food chains, like zinc and cyanide. The purpose of this study was to evaluate waste management in the process electroplating with the concept of waste minimization and savings. This research method was quantitive by mass balance modeling and comparative study. The sample was taken by the composite way at 22 points (8 concentrates and 14 rinse water). Atomic Absorption Spectrometry (AAS) analysis read the results from the sample as data. The result of this study is the electroplating process need to modify with counter-current rinsing and apply pollutant load analysis. The conclusion is if the minimization of waste is applied, the cost savings obtained are IOR 392,964,436 or USO 27,941. Suggestions for the electroplating industry are to use environmentally friendly chemicals and to calculate the pollutant load first in the process flow (with the concept of waste minimization).Along with many factories dump waste into Jakarta’s rivers, especially the Electroplating industries, cause river water quality to deteriorate. The serious problem is danger electroplating waste consisting of toxic compounds and accumulate in food chains, like zinc and cyanide. The purpose of this study was to evaluate waste management in the process electroplating with the concept of waste minimization and savings. This research method was quantitive by mass balance modeling and comparative study. The sample was taken by the composite way at 22 points (8 concentrates and 14 rinse water). Atomic Absorption Spectrometry (AAS) analysis read the results from the sample as data. The result of this study is the electroplating process need to modify with counter-current rinsing and apply pollutant load analysis. The conclusion is if the minimization of waste is applied, the cost savings obtained are IOR 392,964,436 or USO 27,941. Suggestions for the electroplating industry are to use environmentally friendly ch...","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133681338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bioremediation of nickel heavy metals in electroplating industrial liquid waste with Bacillus subtilis","authors":"Mardiyono, Sajidan, M. Masykuri, P. Setyono","doi":"10.1063/1.5141697","DOIUrl":"https://doi.org/10.1063/1.5141697","url":null,"abstract":"Electroplating industry is a producer of heavy metal waste such as nickel. When disposed of directly in the waters, it will cause water pollution. The methods of sewage treatment have been done in a variety of chemical and biological ways. Chemical methods include adsorption, precipitation, electrodialysis, electrocoagulation, while biological methods include biosorption and bioremediation. Bioremediation is a waste treatment process using microbes that aims to degrade pollutants in the environment. Bioremediation of heavy metal nickel in electroplating industrial wastewater is done by adding Bacillus subtilis bacteria so that it can reduce the level of nickel in it. In this research, industrial liquid waste samples of electroplating were initially processed using electrocoagulation. The initial sample still contained a nickel level of 2.1425 ppm. Subsequently, bioremediation was carried out using Bacillus subtilis with varying concentrations of 102.5 cells/ml and 105 cells/ml and incubated for 24 hours. ...","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115211836","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Open space formation with mechanically-bent single layer of inorganic minerals","authors":"K. Numata, Kiminori Sato, K. Fujimoto, K. Kawamura","doi":"10.1063/1.5135860","DOIUrl":"https://doi.org/10.1063/1.5135860","url":null,"abstract":"In this work, the feasibility of open space formation with a mechanically-bent single layer in an exfoliated state is explored for inorganic minerals as saponite clay. MD simulations predict the formation of ∼ 1 nm- and ∼ 4 nm-sized columnar open spaces with three bent nanosheets and folded 2D nanosheet, respectively. The former open space with the three bent nanosheets could appear as suggested by the results of positron lifetime spectroscopy.In this work, the feasibility of open space formation with a mechanically-bent single layer in an exfoliated state is explored for inorganic minerals as saponite clay. MD simulations predict the formation of ∼ 1 nm- and ∼ 4 nm-sized columnar open spaces with three bent nanosheets and folded 2D nanosheet, respectively. The former open space with the three bent nanosheets could appear as suggested by the results of positron lifetime spectroscopy.","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123488635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Doppler broadening spectroscopy used as Kapton thickness sensor","authors":"J. Urban-Klaehn, K. Gering, D. Miller","doi":"10.1063/1.5135862","DOIUrl":"https://doi.org/10.1063/1.5135862","url":null,"abstract":"The Doppler Broadening Spectroscopy (DBS) was used to measure Kapton film thickness, varied in 0.3-30 mils range, with Ge68 positron source and pure copper (Cu), nickel (Ni) or aluminum (Al) metals as targets. The linear relationship between S-parameter and Kapton thickness was found for Cu and Ni with sensitivity depending whether the film was used on one or two sides. LYS-11 (Layers Profile Analysis) program was applied to determine backscatter and absorption coefficients and subsequently absorption fractions for multi-layer system with “backing-target-Kapton-source” layers in symmetrical and non-symmetrical arrangements. The experimental and theoretical S-parameter values for multi- layers system with varied Kapton film thickness show a good correlation, but its precision needs to be improved. The optimization plan for better sensor is presented.The Doppler Broadening Spectroscopy (DBS) was used to measure Kapton film thickness, varied in 0.3-30 mils range, with Ge68 positron source and pure copper (Cu), nickel (Ni) or aluminum (Al) metals as targets. The linear relationship between S-parameter and Kapton thickness was found for Cu and Ni with sensitivity depending whether the film was used on one or two sides. LYS-11 (Layers Profile Analysis) program was applied to determine backscatter and absorption coefficients and subsequently absorption fractions for multi-layer system with “backing-target-Kapton-source” layers in symmetrical and non-symmetrical arrangements. The experimental and theoretical S-parameter values for multi- layers system with varied Kapton film thickness show a good correlation, but its precision needs to be improved. The optimization plan for better sensor is presented.","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125094038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"PALS investigation of structural vacancies during phase transitions in Fe-27Ga and Fe-27Ga-0.1Tb alloys","authors":"L. Dubov, Yu V Shtotsky, S. Stepanov, Yu A Akmalova, I. Golovin, V. Palacheva","doi":"10.1063/1.5135858","DOIUrl":"https://doi.org/10.1063/1.5135858","url":null,"abstract":"Good mechanical properties and relatively low switching magnetic field make Fe-Ga alloys very useful magnetostrictive material for wide range of practical applications. Doping with rare-earth elements (such as Tb) can significantly increase magnetostriction, because Tb rearranges vacancy structure during phase transitions in Fe-27Ga alloys. It was found that A2 and D03 structures in Fe-27Ga have high density of Fe-monovacancies with the positron lifetime ≈180 ps regardless of the presence of Tb. Transition into L12 structure is accompanied by formation of a significant number of larger vacancy defects, which increases the e+ lifetime by 5 %. Addition of 0.2% Tb suppress formation of these large defects at annealing temperatures of 400–550 °C. Presence of Tb also decreases concentration of vacancies in D019 structure. After annealing at 650 °C D019 volume fraction in Fe-27Ga-0.2Tb decreases to 60 %, (according to the positron measurements) against 95 % in Fe-27Ga. In both alloys at 700 °C number of monovacancies increases dramatically during formation of the bcc B2 phase.Good mechanical properties and relatively low switching magnetic field make Fe-Ga alloys very useful magnetostrictive material for wide range of practical applications. Doping with rare-earth elements (such as Tb) can significantly increase magnetostriction, because Tb rearranges vacancy structure during phase transitions in Fe-27Ga alloys. It was found that A2 and D03 structures in Fe-27Ga have high density of Fe-monovacancies with the positron lifetime ≈180 ps regardless of the presence of Tb. Transition into L12 structure is accompanied by formation of a significant number of larger vacancy defects, which increases the e+ lifetime by 5 %. Addition of 0.2% Tb suppress formation of these large defects at annealing temperatures of 400–550 °C. Presence of Tb also decreases concentration of vacancies in D019 structure. After annealing at 650 °C D019 volume fraction in Fe-27Ga-0.2Tb decreases to 60 %, (according to the positron measurements) against 95 % in Fe-27Ga. In both alloys at 700 °C number of monovac...","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128372748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electrical impedance measurement of hydroxyapatite bovine scaffold based on thickness","authors":"D. A. Nurmanta, S. A. Nuha, D. D. Kamasi, D. Santjojo","doi":"10.1063/1.5141638","DOIUrl":"https://doi.org/10.1063/1.5141638","url":null,"abstract":"Hydroxyapatite (HA) scaffold is a biocompatible ceramic used as bone substitute material which widely developed nowadays. The pores that are owned can function as a new bone growth facility. The pores can affect the mechanical properties of HA scaffold. In order to enhance its mechanical properties, Dielectric Barrier Discharge (DBD) Plasma treatment method is expected to be a promised method to increase its compressive strength. The impedance value of HA Scaffold is an important factor that needs to be considered to determine the suitability of the HA Scaffold with plasma DBD treatment. In this study, the effect of thickness variation of HA scaffold on its impedance value was observed. The electrical impedance of HA scaffold was measured and characterized using Impedance Analyzer. The result showed that the impedance value of HA scaffold increases relative to the increases of HA scaffold thickness.Hydroxyapatite (HA) scaffold is a biocompatible ceramic used as bone substitute material which widely developed nowadays. The pores that are owned can function as a new bone growth facility. The pores can affect the mechanical properties of HA scaffold. In order to enhance its mechanical properties, Dielectric Barrier Discharge (DBD) Plasma treatment method is expected to be a promised method to increase its compressive strength. The impedance value of HA Scaffold is an important factor that needs to be considered to determine the suitability of the HA Scaffold with plasma DBD treatment. In this study, the effect of thickness variation of HA scaffold on its impedance value was observed. The electrical impedance of HA scaffold was measured and characterized using Impedance Analyzer. The result showed that the impedance value of HA scaffold increases relative to the increases of HA scaffold thickness.","PeriodicalId":243773,"journal":{"name":"INTERNATIONAL CONFERENCE ON SCIENCE AND APPLIED SCIENCE (ICSAS) 2019","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126002473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}