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  • In Jour Smart Sensing And Intelligent Systems

 

research-article | 30-November-2019

Study on the suitability of ZnO thin film for dynamic pressure sensing application

semiconductor type smart material with desirable properties such as suitability for harsh environment, high ‘d’ coefficient and high Young’s modulus, etc., making it suitable for pressure sensing applications (Fraga et al., 2014; Li et al., 2007; Jagadish and Pearton, 2006). ZnO has simple fabrication processes, low-temperature processing (Wallace et al., 2015) and is compatible with various substrates. In our present work, we have chosen ZnO thin film as the piezoelectric material for realizing dynamic

Suma M. N., Venkateswarlu Gaddam, M. V. N. Prasad, M. M. Nayak, K. Rajanna

International Journal on Smart Sensing and Intelligent Systems, Volume 13 , ISSUE 1, 1–9

Research Article | 15-February-2020

Thickness Measurement of Aluminum Thin Film using Dispersion Characteristic  of Surface Acoustic Wave

In this study, we suggest a method to measure the thickness of thin films nondestructively using the dispersion characteristics of a surface acoustic wave propagating along the thin film surface. To measure the thickness of thin films, we deposited thin films with different thicknesses with range of 200~1000 nm on a Si(100) wafer by controlling the deposition time by DC sputtering technique. The thickness of the thin films was measured using a scanning electron microscope. Subsequently, the

Ik Keun Park, Tae Sung Park

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Article | 01-September-2012

PREPARATION OF MoO3 THIN FILMS BY SPRAY PYROLYSIS AND ITS GAS SENSING PERFORMANCE

MoO3 thin films have been prepared by a simple spray pyrolysis technique at substrate temperature 250oC. The structure and morphology of thin films are characterized by X-ray powder diffraction (XRD), scanning electron microscopy and UV-vis spectroscopy. The gas sensing properties of MoO3 thin film is studied at gas concentration 400 ppm and working temperature of 100–400 oC. It was found that the sensitivity depended on the working temperatures and also H2S gas concentration. The results show

D. V. Ahire, S. D. Shinde, G. E. Patil, K. K. Thakur, V. B. Gaikwad, V. G. Wagh, G. H. Jain

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 3, 592–605

Research Article | 15-February-2020

Modelling of Temperature Coefficient of Resistance of a Thin Film RTDTowardsExhaust Gas Measurement Applications

Current research in the automotive industry sector focuses on the application of platinum thin film sensors for exhaust temperature measurement. The prime intention of this paper is to pioneer the design and development of Platinum/Rhodium (Pt/Rh) sensors for exhaust gas temperature measurement. The developed sensors were able to endure harsh temperature environments (up to 950º C). In addition, the Pt/Rh sensors resistivity response to temperature increase was described by a second order

Anthony Maher, Vijayalakshmi Velusamy, Daniel Riordan, Joseph Walsh

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Research Article | 02-November-2017

Implementation of linear trace moisture sensor by nano porous thin film moisture sensor and NLAmp

experiment is stated in this paper. It may possible to linearize any non linear characteristic using this method. We use thin film nano porous trace humidity sensor as a non linear device for the circuit justification. The fabrication process of the sensor is also described in this paper.

Dilip Kumar Ghara, Debdulal Saha, Kamalendu Sengupta

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 4, 955–969

Research Article | 15-February-2020

Wavelet Transform Smoothing Filters for Metal Oxide Gas Sensor Signal Cleaning

This paper reports on a series of experiments to evaluate the methods for feature extraction and denoising the digital signal from thin film zinc oxide-tin dioxide composite gas sensor devices. The aim was to find a method that not only cleaned the signal but also maintained the shape, precision and resolution of the signal. It was found that the Savitzky–Golay smoothing filter method gave the best, smoothed and cleaned, approximation of the sensor response regardless of the thin film

Enobong Bassey, Jacqueline Whalley, Philp Sallis, Krishnamachar Prasad

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

Research Article | 13-December-2017

LEAK RATE AND LOCATION ANALYSIS THROUGH SLITS AND CRACKS IN PIPES BY NANO POROUS CERAMIC HUMIDITY SENSORS

Nano porous sol gel thin film humidity sensor was studied using commercially available reference humidity sensor from Honeywell Corporation. The main advantages of our developed set up for humidity measurements is low cost and high resolution yielding a full set of information on the variation of humidity at 250°C. Humidity is considered to be one of the most effective indicators of the leakage. On this ground we developed nano porous sensor which can be used for LBB (Leak before break

Dilip Kumar Ghara, Debdulal Saha, Kamalendu Sengupta

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 3, 784–798

Research Article | 13-December-2017

INTELLIGENT STRUCTURAL ELEMENTS COVERED BY PIEZOELECTRIC HIGH-POLYMER FILM

visualized by mounted PVDF thin film.

Eiji Matsumoto, Yuji Komagome

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 2, 420–429

Article | 03-November-2017

MECHANISM OF TRACE LEVEL H2S GAS SENSING USING RF SPUTTERED SnO2 THIN FILMS WITH CuO CATALYTIC OVERLAYER

Arijit Chowdhuri, Divya Haridas, K. Sreenivas, Vinay Gupta

International Journal on Smart Sensing and Intelligent Systems, Volume 2 , ISSUE 4, 540–548

Research Article | 06-December-2011

Copper (II) oxide thin film for methanol and ethanol sensing

Mitesh Parmar, K. Rajanna

International Journal on Smart Sensing and Intelligent Systems, Volume 4 , ISSUE 4, 710–725

Research Article | 13-December-2017

HIGH SENSITIVITY METHANE SENSOR BY CHEMICALLY DEPOSITED NANOCRYSTALLINE ZNO THIN FILM

Sunipa Roy, H. Saha, C. K. Sarkar

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 4, 605–620

Research Article | 01-September-2014

A SENSITIVE DIGITAL MOISTURE DETECTOR FOR NANOSTRUCTURED THIN FILM SENSOR

TARIKUL ISLAM, MD. FIROZ A, KHAN, S. A. KHAN, H. SAHA

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 3, 1059–1076

Research Article | 12-December-2017

1-5 NAPTHALENEDISULPHONIC ACID DOPED POLYPYRROLE THIN FILMS AS COATINGS TO OPTICAL FIBERS FOR ORGANOPHOSPHATE SENSING

1-5 Napthalenedisulphonic acid (NDSA) doped polypyrrole thin films are prepared by chemical oxidation polymerization and applied as modified claddings to optical fibers for organophosphate (dimethyl-methyl phosphonate, DMMP) sensing. DMMP sensing takes place via intensity modulation in multimode fibers due to refractive index modulation in polypyrrole films due to DMMP adsorption. The polypyrrole films are characterized by FTIR and Raman spectroscopy. Ellipsometry and thin film transmission

Lalitkumar Bansal, Mahmoud. A. El-Sherif

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 2, 230–252

Research Article | 15-February-2020

Thin Film Coated QCM-Sensors and Pattern Recognition Methods for Discrimination of VOCs

Omar C. Lezzar, A. Bellel, M. Boutamine, S. Sahli, Y. Segui, P. Raynaud

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–6

Research Article | 13-December-2017

A NOVEL METHOD FOR THE IMPROVEMENT IN THERMOELECTRIC PROPERTY OF TIN OXIDE THIN FILMS AND ITS APPLICATION IN GAS SENSING

Tin oxide thin film deposited on to glass substrates by the process of DC reactive magnetron sputtering has been used in our work. These films were characterized for their thermoelectric behavior. Further, a novel method has been developed to enhance the Seebeck coefficient of these films. Prior to the oxide film deposition on the glass substrate, thin metal films have been deposited at the two ends of the sample. High conductivity metals such as chromium, silver and copper were used for this

Anuradha S, K. Rajanna

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 2, 498–511

Article | 03-November-2017

Enhanced LPG response characteristics of SnO2 thin film based sensors loaded with Pt clusters

Divya Haridas, Arijit Chowdhuri, K. Sreenivas, Vinay Gupta

International Journal on Smart Sensing and Intelligent Systems, Volume 2 , ISSUE 3, 503–514

Research Article | 15-February-2020

Ammonia sensing properties of ZnO nanoparticles on flexible substrate

We report the ammonia gas sensing properties of ZnO nanoparticles on flexible substrates. The flexible platform contains Ti/Pt interdigitated electrodes for gas detection and a micro heater device. The Ti/Pt film has been deposited by Magnetron Sputtering with thickness of 5nm and 100 nm respectively. The circuit patterning has been fabricated by standard photolithography and femtosecond laser ablation processes. ZnO thin film has been deposited by drop coating process with a thickness of 275

M. Acuautla, Sandrine Bernardini, Marc Bendahan, L. Gallais

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

Research Article | 15-February-2020

Development and Evaluation of Portable Low Cost Testing System for Phthalates

A portable low-cost microcontroller based testing system was designed and constructed to detect phthalates in aqueous media. Phthalates, especially di (2-ethylhexyl) phthalate is the most ubiquitous endocrine disrupting compound (EDC) posing highest reproductive toxicity threat to all living species on earth. Frequency response analyser (FRA) approach was used to develop the rapid response, non-invasive electrochemical impedimetric system for detection. A smart thin film gold interdigital

Asif I. Zia, S.C. Mukhopadhyay, P.L. Yu, I. H. Al-Bahadly, C. Gooneratne, Jǘrgen Kosel

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–7

Research Article | 13-December-2017

Electrical Impedance Response of a Thick-Thin film Hybrid Anodic Nanoporous Alumina Sensor to Methanol Vapors.

Christopher Radzik, G. Martin Kocanda, Michael Haji-Sheikh, David S.Ballantine

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 2, 470–479

Article | 01-March-2012

FLEXIBLE PH SENSOR WITH POLYANILINE LAYER BASED ON IMPEDANCE MEASUREMENT

A flexible sensor with conducting polyaniline layer for detecting pH value based on the impedance measurement is fabricated and demonstrated in this study. The pH sensor consists of an interdigital electrode array on a flexible printed circuit and a thin-film polyaniline as the sensing layer. As the conductivity of polyaniline depends on the redox state, the impedance change of the polyaniline after it has reacted with different pH value solutions works as the sensing mechanism. In order to

Cheng-Hsin Chuang, Hsun-Pei Wu, Cheng-Ho Chen, Peng-Rong Wu

International Journal on Smart Sensing and Intelligent Systems, Volume 5 , ISSUE 1, 1–13

Research Article | 12-December-2017

The Effect of Catalytic Metal Contact on Methane Sensing Performance of Nanoporous ZnO -Si Heterojunction

A sol-gel derived ZnO-p-Si heterojunction structure were fabricated and investigated as a potential methane sensor. Three configurations with different contacts (Pd-Ag contact both on ZnO and Si / Pd-Ag on ZnO side and Au on Si / and Au on both sides of the junction) were fabricated in order to study the impact of the catalytic contact on the methane sensing properties. Structural characterization with high resolution FESEM and EDX study revealed the synthesis of highly crystalline ZnO thin

G. P. Mishra, A. Sengupta, S. Maji, S. K. Sarkar, P. Bhattacharyya

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 2, 273–291

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