scholarly journals Barium Strontium Titanate Humidity Sensor: Impact of Doping on the Structural and Electrical Properties

Proceedings ◽  
2018 ◽  
Vol 2 (13) ◽  
pp. 1007 ◽  
Author(s):  
Hamid Farahani ◽  
Rahman Wagiran ◽  
Olena Yurchenko ◽  
Gerald A. Urban
Keyword(s):  
Humidity Sensor ◽  
Complex Impedance ◽  
Average Pore ◽  
Response Recovery ◽  
Barium Strontium ◽  
Impedance Plane ◽  
Complex Impedance Plane Plot ◽  
Structural And Electrical Properties ◽  
Total Impedance ◽  
Impedance Plane Plot

The influence of Mg2+ doping (3 mol %) on structural and humidity sensing properties of (Ba0.5,Sr0.5)TiO3 (BST) perovskite nanocomposite were studied in details. Microstructural properties revealed the particle size, surface area, and average pore volume diminished for doped sample. For the MgO doped BST sensor, the film resistance and total impedance are changed more than four orders of magnitude in the 20–95% RH range, while BST sensor shows three orders change. The 3 mol % MgO doped sample with maximum hysteresis of 6.1 RH% and response/recovery time of about 30/80 s exhibits faster characteristics compare to pure BST sample with 6.8 RH% hysteresis and response/recovery of 41 s and 98 s, respectively. Transduction mechanism was found based on the proton transfer and further confirmed by a Bode plot and Nyquist complex impedance plane plot.

Structural and Electrical Properties of Nanocrystalline Diamond based Barium Strontium Titanate Varactors

2008 ◽  
Vol 377 (1) ◽  
pp. 75-85 ◽  
Author(s):  
Venkataramanan Gurumurthy ◽  
Sathyaharish Jeedigunta ◽  
Sam Baylis ◽  
Priscila Spagnol ◽  
John Bumgarner ◽  
...  
Keyword(s):  
Electrical Properties ◽  
Strontium Titanate ◽  
Barium Strontium Titanate ◽  
Nanocrystalline Diamond ◽  
Barium Strontium ◽  
Structural And Electrical Properties

New Approach of Data Mining from the Complex Impedance Plane: Parameters You Have Always Wanted to Have

2014 ◽  
Vol 61 (1) ◽  
pp. 217-221
Author(s):  
J. M. Macak ◽  
D. Patil ◽  
M. Fraenkl ◽  
V. Zima ◽  
K. Shimakawa ◽  
...  
Keyword(s):  
Data Mining ◽  
Complex Impedance ◽  
New Approach ◽  
Impedance Plane

A Rapid Response/Recovery Ribbon‐like Hydroxyapatite Humidity Sensor with Loose Spatial Structure

2019 ◽  
Vol 4 (43) ◽  
pp. 12643-12648
Author(s):  
Yuwei Gu ◽  
Ziheng Li ◽  
Mingxu Sun ◽  
Shuang Wu ◽  
Xinchen Wang
Keyword(s):  
Spatial Structure ◽  
Humidity Sensor ◽  
Rapid Response ◽  
Response Recovery

Structural and electric properties of barium strontium titanate based ceramic composite as a humidity sensor

2008 ◽  
Vol 179 (27-32) ◽  
pp. 1632-1635 ◽  
Author(s):  
Shanming Ke ◽  
Haitao Huang ◽  
Huiqing Fan ◽  
H.L.W. Chan ◽  
L.M. Zhou
Keyword(s):  
Strontium Titanate ◽  
Barium Strontium Titanate ◽  
Ceramic Composite ◽  
Humidity Sensor ◽  
Electric Properties ◽  
Barium Strontium

scholarly journals A Humidity Sensor Based on Silver Nanoparticles Thin Film Prepared by Electrostatic Spray Deposition Process

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Thutiyaporn Thiwawong ◽  
Korakot Onlaor ◽  
Benchapol Tunhoo
Keyword(s):  
Thin Film ◽  
Silver Nanoparticles ◽  
Humidity Sensor ◽  
Spray Deposition ◽  
Complex Impedance ◽  
Impedance Analysis ◽  
Deposition Process ◽  
Electrostatic Spray Deposition ◽  
Complex Impedance Analysis ◽  
Electrostatic Spray

In this work, thin film of silver nanoparticles for humidity sensor application was deposited by electrostatic spray deposition technique. The influence of the deposition times on properties of films was studied. The crystal structures of sample films, their surface morphology, and optical properties have been investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and UV-VIS spectrophotometer, respectively. The crystalline structure of silver nanoparticles thin film was found in the orientation of (100) and (200) planes of cubic structure at diffraction angles 2θ  =  38.2° and 44.3°, respectively. Moreover, the silver nanoparticles thin films humidity sensor was fabricated onto the interdigitated electrodes. The sensor exhibited the humidity adsorption and desorption properties. The sensing mechanisms of the device were also elucidated by complex impedance analysis.

A novel humidity sensor based on Na2Ti3O7 nanowires with rapid response-recovery

2008 ◽  
Vol 135 (1) ◽  
pp. 317-321 ◽  
Author(s):  
Yanyan Zhang ◽  
Wuyou Fu ◽  
Haibin Yang ◽  
Minghui Li ◽  
Yixing Li ◽  
...  
Keyword(s):  
Humidity Sensor ◽  
Rapid Response ◽  
Response Recovery
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