Single crystals of tungsten doped lead zinc niobate-lead titanate (W:PZN-PT) were grown by high temperature solution growth technique and their properties were investigated. Formation of perovskite phases were confirmed from X-Ray diffraction analysis. Temperature dependent dielectric properties demonstrated an increase in the value of dielectric constant (e’) and a decrease in Curie temperature TC compared to undoped PZN:PT. Enhanced ferroelectric and piezoelectric properties were observed, thus promising them as excellent materials to be used as soft ferroelectrics.
{"title":"Effect of tungsten doping on the properties of PZN-PT single crystals","authors":"B. Srimathy, J. Kumar, P. R. Babu","doi":"10.1063/5.0060880","DOIUrl":"https://doi.org/10.1063/5.0060880","url":null,"abstract":"Single crystals of tungsten doped lead zinc niobate-lead titanate (W:PZN-PT) were grown by high temperature solution growth technique and their properties were investigated. Formation of perovskite phases were confirmed from X-Ray diffraction analysis. Temperature dependent dielectric properties demonstrated an increase in the value of dielectric constant (e’) and a decrease in Curie temperature TC compared to undoped PZN:PT. Enhanced ferroelectric and piezoelectric properties were observed, thus promising them as excellent materials to be used as soft ferroelectrics.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72670399","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}
Ion beam induced nano ripple formation has gained enormous interest for its potential applications in different fields like DNA origami, magnetic anisotropy, anti-reflection coating, tuning hydrophobicity etc. The ripple pattern formation on solid surface is explained as an instability generation due to sputtering of surface atoms, mass redistribution, and chemical instability owing to preferential sputtering. In the present framework, we have investigated how the variation of chemical phase formation by NO+, N2+ and O2+ion bombardment alters the chemical instability, which influencesthe ripple pattern formation on surface.In case of NO+ ion bombardment, silicon oxide and nitride (which later turned into oxynitride in presence of ripple)are simultaneously formed, whereas in case of N2+ or O2+ bombardment, either silicon nitride or silicon oxide is formed. Hence, the instability generation due to sputtering of both elemental silicon and its two compounds (oxide and nitride) causes additional instability generation in case of NO+ than N2+ or O2+, resulting in early ripple formation.The sputtering yield of pure Si and its compounds in each cases are calculated using SRIM freeware. Surface chemical nature, detected using X-ray photo electron spectroscopy, confirms the formation ofsilicon nitride and silicon oxide respectively in case of nitrogen and oxygen bombardment, whereas the NO+ bombardment causes the formation of silicon oxide with silicon oxynitride. The optical absorption of such structurally and chemically modified surfaces, examined by UV-VIS spectroscopy, reveals more absorbance of UV-VIS spectra (200-800 nm) for N2+ bombarded and NO+ bombarded surfaces than virgin and O2+ bombarded Si surfaces. Hence, N2 and NO+ bombarded Si surfaces are more suitable for anti-reflective coating surface.
{"title":"Investigation on chemical instability and optical absorption of ion bombarded Si surfaces","authors":"J. Mukherjee, D. Bhowmik, P. Karmakar","doi":"10.1063/5.0060833","DOIUrl":"https://doi.org/10.1063/5.0060833","url":null,"abstract":"Ion beam induced nano ripple formation has gained enormous interest for its potential applications in different fields like DNA origami, magnetic anisotropy, anti-reflection coating, tuning hydrophobicity etc. The ripple pattern formation on solid surface is explained as an instability generation due to sputtering of surface atoms, mass redistribution, and chemical instability owing to preferential sputtering. In the present framework, we have investigated how the variation of chemical phase formation by NO+, N2+ and O2+ion bombardment alters the chemical instability, which influencesthe ripple pattern formation on surface.In case of NO+ ion bombardment, silicon oxide and nitride (which later turned into oxynitride in presence of ripple)are simultaneously formed, whereas in case of N2+ or O2+ bombardment, either silicon nitride or silicon oxide is formed. Hence, the instability generation due to sputtering of both elemental silicon and its two compounds (oxide and nitride) causes additional instability generation in case of NO+ than N2+ or O2+, resulting in early ripple formation.The sputtering yield of pure Si and its compounds in each cases are calculated using SRIM freeware. Surface chemical nature, detected using X-ray photo electron spectroscopy, confirms the formation ofsilicon nitride and silicon oxide respectively in case of nitrogen and oxygen bombardment, whereas the NO+ bombardment causes the formation of silicon oxide with silicon oxynitride. The optical absorption of such structurally and chemically modified surfaces, examined by UV-VIS spectroscopy, reveals more absorbance of UV-VIS spectra (200-800 nm) for N2+ bombarded and NO+ bombarded surfaces than virgin and O2+ bombarded Si surfaces. Hence, N2 and NO+ bombarded Si surfaces are more suitable for anti-reflective coating surface.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73082484","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}
A series of Cu-C o ferrite based bulk particles (Cu (1-x) Co(x)Fe2O4) in which x is varied from 0.0 to 0.6 were prepared by Solid State reaction route. The influence of the Co content on the structural properties of cubic Nickel ferrites (CuFe2O4) was investigated using Raman spectroscopy. Slight reduction in the lattice parameter of Co doped CuFe2O4 has been observed as compared to the parent CuFe2O4. From Raman scattering spectra, a shoulder like feature has been observed in both parent and doped com pounds which reveals that octahedral site is occupied by Co, Cu and Fe ions and tetrahedral site is occupied by only Feion.
采用固相反应法制备了一系列以Cu- c - o铁氧体为基的体积颗粒(Cu (1-x) Co(x)Fe2O4)，其中x在0.0 ~ 0.6之间变化。利用拉曼光谱研究了Co含量对立方镍铁氧体(CuFe2O4)结构性能的影响。与母体CuFe2O4相比，Co掺杂CuFe2O4的晶格参数略有降低。从拉曼散射光谱上看，在母晶和掺杂晶中均观察到肩状特征，表明Co、Cu和Fe离子占据了八面体位置，而四面体位置仅被Feion占据。
{"title":"Effect of D-block element Co 2+ substitution on structural and vibrational properties of spinel ferrites","authors":"K. Patil, S. Phadke, A. Mishra","doi":"10.1063/5.0061248","DOIUrl":"https://doi.org/10.1063/5.0061248","url":null,"abstract":"A series of Cu-C o ferrite based bulk particles (Cu (1-x) Co(x)Fe2O4) in which x is varied from 0.0 to 0.6 were prepared by Solid State reaction route. The influence of the Co content on the structural properties of cubic Nickel ferrites (CuFe2O4) was investigated using Raman spectroscopy. Slight reduction in the lattice parameter of Co doped CuFe2O4 has been observed as compared to the parent CuFe2O4. From Raman scattering spectra, a shoulder like feature has been observed in both parent and doped com pounds which reveals that octahedral site is occupied by Co, Cu and Fe ions and tetrahedral site is occupied by only Feion.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"98 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81025179","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}
V. K. Surashe, N. N. Waghule, A. V. Raut, A. A. Pandit, R. Dorik, K. M. Jadhav
Copper ferrite (CuFe2O4) particles have been synthesized by the standard ceramic technique. The prepared copper ferrite particles were sintered at 800 ℃ for 12h. The pre-sintered sample is again reground in fine powder and pelletized using a hydraulic press. These pallets were finally sintered at 1050 °C for 12 h and the structural properties of copper ferrite were investigated and reported in this work. The X-ray diffraction analysis revealed that synthesized copper ferrite particles possess a single phase cubic spinel structure. A keen observation of the X-ray diffraction pattern showed the average crystallite size (t) of the copper ferrite obtained from Scherrer's formula as 140 nm. The lattice constant (a) and other structural parameters are in the reported range.
{"title":"Ceramic synthesis and X-ray diffraction characterization of copper ferrite","authors":"V. K. Surashe, N. N. Waghule, A. V. Raut, A. A. Pandit, R. Dorik, K. M. Jadhav","doi":"10.1063/5.0061009","DOIUrl":"https://doi.org/10.1063/5.0061009","url":null,"abstract":"Copper ferrite (CuFe2O4) particles have been synthesized by the standard ceramic technique. The prepared copper ferrite particles were sintered at 800 ℃ for 12h. The pre-sintered sample is again reground in fine powder and pelletized using a hydraulic press. These pallets were finally sintered at 1050 °C for 12 h and the structural properties of copper ferrite were investigated and reported in this work. The X-ray diffraction analysis revealed that synthesized copper ferrite particles possess a single phase cubic spinel structure. A keen observation of the X-ray diffraction pattern showed the average crystallite size (t) of the copper ferrite obtained from Scherrer's formula as 140 nm. The lattice constant (a) and other structural parameters are in the reported range.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85826456","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}
Reena Rani, M. Sharma, S. Rani, I. Sameera, Ravi Bhatia
Light weight electrically conducting materials that can be fabricated at low cost and are important for certain applications like electromagnetic shielding and field emission devices; carbon nanotubes based-composite materials are most suited for such applications. However, it is quite important to study the temperature dependent electrical behaviour. Here, we are presenting the experimental results on temperature dependent AC conductivity of few hundred micron-thick multiwall carbon nanotube-polystyrene (MWCNT-PS) composites (0.5 & 1.0 wt.%), in the temperature and frequency ranges of 154-293 K and 10 Hz-10 MHz, respectively. The free standing MWCNT-PS composite films were prepared by a simple and cost-effective solution approach, and their good quality was ascertained after characterizing by field emission scanning electron microscopy.For 0.5 wt. % composite film, the conductivity did not show any variation up to 1 MHz at all the temperatures whereas it monotonically increased from 1 MHz to 10 MHz; it followed Jonscher's law. Further, the threshold frequency shifted towards higher frequency with the temperature. The DC conductivity was observed to decrease from 34 µS/cm to 22 µS/cm with variation of temperature from 293 to 154 K, respectively; this decrease of DC conductivity is attributed to increase of activation energy of charge carriers at low temperatures. Interestingly, AC conductivity of 1.0 wt. % sampledid not exhibit any frequency dependence at any temperature; however, DC conductivity reduced to 37 µS/cm (154 K) from 70 µS/cm (293 K).
{"title":"Temperature dependent AC conductivity of multiwall carbon nanotube-polystyrene micro-thick composite films","authors":"Reena Rani, M. Sharma, S. Rani, I. Sameera, Ravi Bhatia","doi":"10.1063/5.0062249","DOIUrl":"https://doi.org/10.1063/5.0062249","url":null,"abstract":"Light weight electrically conducting materials that can be fabricated at low cost and are important for certain applications like electromagnetic shielding and field emission devices; carbon nanotubes based-composite materials are most suited for such applications. However, it is quite important to study the temperature dependent electrical behaviour. Here, we are presenting the experimental results on temperature dependent AC conductivity of few hundred micron-thick multiwall carbon nanotube-polystyrene (MWCNT-PS) composites (0.5 & 1.0 wt.%), in the temperature and frequency ranges of 154-293 K and 10 Hz-10 MHz, respectively. The free standing MWCNT-PS composite films were prepared by a simple and cost-effective solution approach, and their good quality was ascertained after characterizing by field emission scanning electron microscopy.For 0.5 wt. % composite film, the conductivity did not show any variation up to 1 MHz at all the temperatures whereas it monotonically increased from 1 MHz to 10 MHz; it followed Jonscher's law. Further, the threshold frequency shifted towards higher frequency with the temperature. The DC conductivity was observed to decrease from 34 µS/cm to 22 µS/cm with variation of temperature from 293 to 154 K, respectively; this decrease of DC conductivity is attributed to increase of activation energy of charge carriers at low temperatures. Interestingly, AC conductivity of 1.0 wt. % sampledid not exhibit any frequency dependence at any temperature; however, DC conductivity reduced to 37 µS/cm (154 K) from 70 µS/cm (293 K).","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87176644","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}
S. Manhas, Ginni, S. Bisoyi, A. D. Acharya, S. Moghe, V. K. Hinge
The different fundamental properties of nanostructure strongly depend on their shapes, sizes. By controlling such parameters one can achieve the desired properties of the nanoparticles. In the present study different shape of Vanadium oxide (V2O5) nanostructures were synthesized using solution cast method. Morphological and structural properties of the prepared samples were studied by using field effect scanning electron microscopy (FESEM) and X-ray diffraction (XRD) techniques. FESEM images reveal the flower and rod shape of nanoparticles. XRD peaks showed the orthorhombic structure of V2O5.
{"title":"Preparation and characterization of vanadium oxide nanostructure","authors":"S. Manhas, Ginni, S. Bisoyi, A. D. Acharya, S. Moghe, V. K. Hinge","doi":"10.1063/5.0061223","DOIUrl":"https://doi.org/10.1063/5.0061223","url":null,"abstract":"The different fundamental properties of nanostructure strongly depend on their shapes, sizes. By controlling such parameters one can achieve the desired properties of the nanoparticles. In the present study different shape of Vanadium oxide (V2O5) nanostructures were synthesized using solution cast method. Morphological and structural properties of the prepared samples were studied by using field effect scanning electron microscopy (FESEM) and X-ray diffraction (XRD) techniques. FESEM images reveal the flower and rod shape of nanoparticles. XRD peaks showed the orthorhombic structure of V2O5.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"40 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91406456","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}
Ultrasonic technique is a powerful tool for the study of inter and intra-molecular interactions in a mixture. It is a non-destructive testing tool. Low amplitude ultrasonic propagation, as is used for the present work, does not change the molecular structure of a liquid. This technique is the most preferred one as it will not allow local heating. Liquid mixtures behave critically with the change in temperature and concentration in any of the component. In the present work, physical properties of mixture of cyclohexane and methanol are studied using ultrasonic pulse echo technique. Ultrasonic attenuation is measured to study mixture of cyclohexane and methanol. Present system is operated at 5 MHz frequency and the mixture is studied in the controlled temperature environment by using Thermostat (Julabo F32) with an accuracy of ±0.10C. Non-linearity in ultrasonic attenuation with maxima and minima is observed due to concentration fluctuations in the given mixture.
{"title":"Ultrasonic attenuation measurement in the mixture of cyclohexane and methanol","authors":"R. Thete, M. Shanti","doi":"10.1063/5.0060949","DOIUrl":"https://doi.org/10.1063/5.0060949","url":null,"abstract":"Ultrasonic technique is a powerful tool for the study of inter and intra-molecular interactions in a mixture. It is a non-destructive testing tool. Low amplitude ultrasonic propagation, as is used for the present work, does not change the molecular structure of a liquid. This technique is the most preferred one as it will not allow local heating. Liquid mixtures behave critically with the change in temperature and concentration in any of the component. In the present work, physical properties of mixture of cyclohexane and methanol are studied using ultrasonic pulse echo technique. Ultrasonic attenuation is measured to study mixture of cyclohexane and methanol. Present system is operated at 5 MHz frequency and the mixture is studied in the controlled temperature environment by using Thermostat (Julabo F32) with an accuracy of ±0.10C. Non-linearity in ultrasonic attenuation with maxima and minima is observed due to concentration fluctuations in the given mixture.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77191616","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}
The formation of nanoparticles from microbes has received special attention in wide range of applications like antimicrobial activities, less toxic to environment and many others. The present research uses fungus Fusarium oxysporum for the extracellular synthesis of copper nanoparticles from copper acetate solution. The UV-Vis spectroscopy and change in solution color was used as a confirmation for formation of nanoparticles. The copper nanoparticles characterization was performed by using XRD, FTIR and SEM. FTIR results indicates possible functional groups involved in reduction of copper ions into copper nanoparticles and their stabilization. XRD pattern cleared that the biosynthesized nanoparticles had face-centered cubic (FCC) geometry with crystalline nature. The size and morphology of as-synthesized nanoparticles was determined by using SEM micrographs. Antimicrobial activity against different bacterial strains such as Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae, and Staphylococcus aureus was studied by measuring the zone of inhibition and Minimum inhibitory concentration was also studied.
{"title":"Green synthesis, characterization and antimicrobial activity of copper nanoparticles derived from Fusarium oxysporum","authors":"K. Gupta, T. Chundawat","doi":"10.1063/5.0061299","DOIUrl":"https://doi.org/10.1063/5.0061299","url":null,"abstract":"The formation of nanoparticles from microbes has received special attention in wide range of applications like antimicrobial activities, less toxic to environment and many others. The present research uses fungus Fusarium oxysporum for the extracellular synthesis of copper nanoparticles from copper acetate solution. The UV-Vis spectroscopy and change in solution color was used as a confirmation for formation of nanoparticles. The copper nanoparticles characterization was performed by using XRD, FTIR and SEM. FTIR results indicates possible functional groups involved in reduction of copper ions into copper nanoparticles and their stabilization. XRD pattern cleared that the biosynthesized nanoparticles had face-centered cubic (FCC) geometry with crystalline nature. The size and morphology of as-synthesized nanoparticles was determined by using SEM micrographs. Antimicrobial activity against different bacterial strains such as Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae, and Staphylococcus aureus was studied by measuring the zone of inhibition and Minimum inhibitory concentration was also studied.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"16 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78694542","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}
In this study nano lanthanum oxide (La2O3) was synthesized by starch template method. The physicochemical characterization of La2O3 was carried out by versatile techniques like TGA-DTG/DSC, XRD and FT-IR. The XRD analysis confirms the pure phase and hexagonal structure of La2O3. Thermal analysis of La2O3 precursors proved to be useful to understand the mechanism of thermal degradation behaviour during the formation of La2O3. The synthesized La2O3 was chemically unstable in ambient air due to its hygroscopic nature and a complete transformation into hexagonal lanthanum hydroxide (La(OH)3) was detected. Investigations of dielectric parameters viz. capacitance, dielectric constant, dielectric loss and ac conductivity measurements of La2O3 and La(OH)3 were done using impedance spectroscopy. La(OH)3 found to have high capacitance, high dielectric constant and high ac conductivity with almost same dissipation factor compared to La2O3.
{"title":"Dielectric properties and AC conductivity of green synthesized nano La2O3/La(OH)3","authors":"Marymol Moothedan, K. B. Sherly","doi":"10.1063/5.0061274","DOIUrl":"https://doi.org/10.1063/5.0061274","url":null,"abstract":"In this study nano lanthanum oxide (La2O3) was synthesized by starch template method. The physicochemical characterization of La2O3 was carried out by versatile techniques like TGA-DTG/DSC, XRD and FT-IR. The XRD analysis confirms the pure phase and hexagonal structure of La2O3. Thermal analysis of La2O3 precursors proved to be useful to understand the mechanism of thermal degradation behaviour during the formation of La2O3. The synthesized La2O3 was chemically unstable in ambient air due to its hygroscopic nature and a complete transformation into hexagonal lanthanum hydroxide (La(OH)3) was detected. Investigations of dielectric parameters viz. capacitance, dielectric constant, dielectric loss and ac conductivity measurements of La2O3 and La(OH)3 were done using impedance spectroscopy. La(OH)3 found to have high capacitance, high dielectric constant and high ac conductivity with almost same dissipation factor compared to La2O3.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"133 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73814441","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}
Revathy Sundara Moorthy, Rohini Rondla, M. Kavitha, P. H. Bindu, C. Pasha, P. M. Reddy
As an emerging interdisciplinary, nanotechnology combined optical technology has drawn phenomenal attention in most of the fields. As a result, many novel sensors of nanoparticles (NPs) embedded U-bent Fiber optic probe have been developed. This paper deals about the spectacular growth of this novel strategythat is based on the evanescent wave signal and the NPs ability to tune LSPR (local surface plasmon resonance) adding more potential. A study has been made on its diverse applications ranging from parameters monitoring down to biomolecule detection till recent pandemic identification are discussed.
{"title":"Potential applications of nanoparticles embedded U-bent fiber optic probe","authors":"Revathy Sundara Moorthy, Rohini Rondla, M. Kavitha, P. H. Bindu, C. Pasha, P. M. Reddy","doi":"10.1063/5.0060856","DOIUrl":"https://doi.org/10.1063/5.0060856","url":null,"abstract":"As an emerging interdisciplinary, nanotechnology combined optical technology has drawn phenomenal attention in most of the fields. As a result, many novel sensors of nanoparticles (NPs) embedded U-bent Fiber optic probe have been developed. This paper deals about the spectacular growth of this novel strategythat is based on the evanescent wave signal and the NPs ability to tune LSPR (local surface plasmon resonance) adding more potential. A study has been made on its diverse applications ranging from parameters monitoring down to biomolecule detection till recent pandemic identification are discussed.","PeriodicalId":18837,"journal":{"name":"NATIONAL CONFERENCE ON PHYSICS AND CHEMISTRY OF MATERIALS: NCPCM2020","volume":"29 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79882525","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}
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