# IEEE Sensors Journal

## Volume 17 Issue 22 • Nov.15, 2017

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## Filter Results

Displaying Results 1 - 25 of 50
• ### Front Cover

Publication Year: 2017, Page(s): C1
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Publication Year: 2017, Page(s): C1
| PDF (127 KB)
• ### IEEE Sensors Journal publication information

Publication Year: 2017, Page(s): C2
| PDF (71 KB)
• ### Guest Editorial Special Issue on Selected Papers From the IEEE SENSORS 2016 Conference

Publication Year: 2017, Page(s): 7222
| PDF (67 KB) | HTML
• ### Development of a Silicon-Only Capacitive Dew Point Sensor

Publication Year: 2017, Page(s):7223 - 7230
Cited by:  Papers (1)
| | PDF (2135 KB) | HTML

The development of a silicon-only capacitive dew point sensor is described in this paper. The principle of operation is based on the change in capacitance of an interdigitated parallel plate capacitor due to the condensation of water below dew point temperature. The proposed sensor element is simple in fabrication, with only one lithography step and no metal or polymer usage. The experiments show ... View full abstract»

• ### Three-Axis Capacitive Touch-Force Sensor for Clinical Breast Examination Simulators

Publication Year: 2017, Page(s):7231 - 7238
Cited by:  Papers (2)
| | PDF (1186 KB) | HTML

Clinical breast examinations (CBEs) are a vital part of breast cancer screening programs. However, there is a lack of standardization in the kinds of motion and the forces used during the examination, which can lead to either an inaccurate or a missed diagnosis. The use of sensors in CBE simulations and training can help to alleviate this issue. This paper demonstrates a flexible, three-axis capac... View full abstract»

• ### Graphene Sensing Modulator: Toward Low-Noise, Self-Powered Wireless Microsensors

Publication Year: 2017, Page(s):7239 - 7247
Cited by:  Papers (1)
| | PDF (1470 KB) | HTML

We present here new types of self-powered, low-interference wireless sensors based on graphene circuits, which can have dual functions: chemical sensing at the molecular level and radio-frequency (RF) modulation. We demonstrate that a fully passive, graphene-based harmonic (transponder) sensor can display a chemically sensitive frequency multiplication effect, which, when linked to a hybrid-fed sm... View full abstract»

• ### Dual Active Resonator for Dispersion Coefficient Measurement of Asphaltene Nano-Particles

Publication Year: 2017, Page(s):7248 - 7256
Cited by:  Papers (5)
| | PDF (2063 KB) | HTML

Dispersion and diffusion of Asphaltene particles in n-Heptane is measured to investigate the solution characteristics of different concentrations in wide range of 0.000625-0.625 (%wt). Planar split ring resonator (SRR) is armed with active circuitry (active resonator) to enhance the quality factor over 3 K to achieve ultra-high resolution sensing and track minute variations in microfluidic tube. P... View full abstract»

• ### Optically 3-D $\mu$ -Printed Ferrule-Top Polymer Suspended-Mirror Devices

Publication Year: 2017, Page(s):7257 - 7261
Cited by:  Papers (1)
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We present a novel optical microfabrication technology to directly print polymer suspended-mirror devices (SMDs) on the end face of fiber-optic ferrules. With an own-established optical 3-D μ-printing platform, three kinds of ferrule-top SMDs were rapidly fabricated by using SU-8 photoresist. Optical reflection spectra of the fabricated SMDs were measured and then analyzed by using fast Fourier tr... View full abstract»

• ### Nanopatterned Optical Fiber Tip for Guided Mode Resonance and Application to Gas Sensing

Publication Year: 2017, Page(s):7262 - 7272
Cited by:  Papers (1)
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This paper reports on an efficient and convenient method of patterning nanostructures on the cleaved facet of an optical fiber to realize a high-performance fiber-optic gas sensor. The fabrication method utilizes an ultraviolet assisted nanoimprint lithography to transfer nanoscale patterns from a pre-formed stamp to the fiber tip. The novelty of this paper lies in utilizing simpler fabrication st... View full abstract»

• ### FEM-Simulation and Experimental Realization of Low-Cost Electrowetting Actuators for a Flexible Microfluidic Pixel

Publication Year: 2017, Page(s):7273 - 7280
Cited by:  Papers (1)
| | PDF (2816 KB) | HTML

We investigate and characterize three different fabrication methods facilitating low-cost electrowetting-on-dielectric (EWOD) structures. EWOD allows setting fluid droplets in motion by electrically altering the surface tension equilibrium at the triple contact line. We present a fabrication method for flexible EWOD structures by screen printing a transparent and conducting poly (3, 4-ethylenediox... View full abstract»

• ### Low-Power Highly Sensitive pH Sensor With $\mu$ dots Protective Structures for Monitoring Rumen in Cows in Real-Time

Publication Year: 2017, Page(s):7281 - 7289
| | PDF (2552 KB) | HTML

In this paper, we describe the development of a solid-type pH sensor with an ultra-low power consumption of 8.2×10-4mAh per measurement and a reasonably high accuracy of 0.1 pH for the real-time monitoring of the rumen of a cow. The sensor combines a metal-oxide-semiconductor field-effect transistor with a separate gate as the sensing electrode, and was fabricated using indium tin oxide... View full abstract»

• ### Flame Detection on Swirl Burner Using ECT With Dynamic Reconstruction Algorithm Based on the Split Bregman Iteration

Publication Year: 2017, Page(s):7290 - 7297
Cited by:  Papers (2)
| | PDF (1876 KB) | HTML

To achieve increased combustion efficiency and reduced pollutant generation, methods to describe the spatial distribution of combustion parameters, such as combustion intensity and temperature are desired. Electric capacitance tomography (ECT) is by nature sensitive to the electrical properties of a flame, facilitating combustion intensity imaging. In this paper, a novel image reconstruction algor... View full abstract»

• ### Simple Ears Inspire Frequency Agility in an Engineered Acoustic Sensor System

Publication Year: 2017, Page(s):7298 - 7305
Cited by:  Papers (1)
| | PDF (2170 KB) | HTML

Standard microphones and ultrasonic devices are generally designed with a static and flat frequency response in order to address multiple acoustic applications. However, they may not be flexible or adaptable enough to deal with some requirements. For instance, when operated in noisy environments such devices may be vulnerable to wideband background noise which will require further signal processin... View full abstract»

• ### Vibrating Beam MEMS Seismometer for Footstep and Vehicle Detection

Publication Year: 2017, Page(s):7306 - 7310
| | PDF (1558 KB) | HTML

Miniature seismometers networks have been used recently to measure seismic waves emitted by footsteps or vehicles in order to protect restricted areas and detect and identify any intruder. Existing seismometers show whether limited range of detection or limited autonomy, this paper presents the development of a high resolution (100μg @ 500Hz), low power consumption (3.5 mW), and miniature (10 mm View full abstract»

• ### mHealth Dipstick Analyzer for Monitoring of Pregnancy Complications

Publication Year: 2017, Page(s):7311 - 7316
| | PDF (1296 KB) | HTML

Dipstick-based urinalysis is routinely used for the detection of early signs of such pregnancy complications, as preeclampsia and gestational diabetes. Usually it is done in doctor's office using an automatic dipstick analyzer. Here, we present a novel smartphone-based colorimeter and demonstrate its application to the measurements of glucose and protein concentrations in biological samples. The k... View full abstract»

• ### Exploiting the Maxwell-Wagner-Sillars Effect for Displacement-Current Phase Tomography of Two-Phase Flows

Publication Year: 2017, Page(s):7317 - 7324
Cited by:  Papers (6)
| | PDF (5412 KB) | HTML

We introduce a method based on the Maxwell-Wagner-Sillars (MWS) effect to improve the performance of displacement-current phase tomography (DCPT) applied to two-phase flow imaging. DCPT utilizes as set of mutual admittance measurements between electrodes placed around a region of interest (RoI). This measurement can extract the phase of the displacement current between the electrodes so as to char... View full abstract»

• ### A Novel Hydrazine Electrochemical Sensor Based on Gold Nanoparticles Decorated Redox-Active 2-Amino-4H-Chromene-3-Carbonitrile

Publication Year: 2017, Page(s):7325 - 7331
| | PDF (4760 KB) | HTML

This paper describes the synthesis and application of a new carbonitrile derivative in order to determine hydrazine. First, 2-amino-4H-chromene-3-carbonitrile molecules were immobilized on the cleaned surface of the electrode. Then, the nano-sized gold nanoparticles were electrochemically synthesized on the surface of this carbonitrile layer (AuNPs/AHC/GCE). The surface morphology authenticated th... View full abstract»

• ### Electrical and Methanol Sensing Characteristics of RF Sputtered n-ZnO/p-Si Heterojunction Diodes

Publication Year: 2017, Page(s):7332 - 7339
| | PDF (1623 KB) | HTML

This paper reports structural, electrical, and gas sensing characteristics of n-ZnO/p-Si heterojunction diodes fabricated using RF sputtering technique. The microstructural and surface morphological properties have been studied using X-ray diffraction, atomic force microscopy, and scanning electron microscopy, respectively. The electrical properties of the fabricated diodes have been investigated ... View full abstract»

• ### WS2/GO Nanohybrids for Enhanced Relative Humidity Sensing at Room Temperature

Publication Year: 2017, Page(s):7340 - 7347
Cited by:  Papers (2)
| | PDF (3056 KB) | HTML

This paper reports humidity sensing performance of WS2/GO hybrid nanostructures. WS2, being a layered material, can be exfoliated into ultrathin nanosheets. These nanosheets when combined with other materials with lamellar structures easily form hybrid structures even when processed in liquid. Hybrid structures with materials like graphene oxide (GO) have several advantages f... View full abstract»

• ### Liquid Sensors Based on Enhanced Fabry–Perot Etalons

Publication Year: 2017, Page(s):7348 - 7354
| | PDF (2908 KB) | HTML

An optically enhanced Fabry-Perot etalon was demonstrated to accurately measure the refractive index of sugar solutions. The etalon consisted of two silver/SiO2-coated glass substrates separated by a spacer. The semi-transparent silver films of ~15-nm thickness greatly enhanced the interference of light. The SiO2layer coated on the silver created a hydrophilic surface in addi... View full abstract»

• ### A Soft Four Degree-of-Freedom Load Cell Based on the Hall Effect

Publication Year: 2017, Page(s):7355 - 7363
Cited by:  Papers (1)
| | PDF (1848 KB) | HTML

This paper presents the design of a soft four degree-of-freedom load cell that is robust and light-weight and can be integrated into robotic applications. The sensor measures three axes of force and a single axis of torque about the central axis. The sensor is comprised of a magnet suspended within an elastomer above two three-axis Hall effect sensors. As a load is applied, the magnet is displaced... View full abstract»

• ### Noise of a JFET Charge Amplifier for Piezoelectric Sensors

Publication Year: 2017, Page(s):7364 - 7371
Cited by:  Papers (1)
| | PDF (2621 KB) | HTML

A comprehensive noise model of a junction gate field-effect transistor (JFET) charge amplifier is presented for applications with piezoelectric sensors. Based on this previously reported amplifier structure, a noise equivalent circuit is derived and discussed. Universal noise gain expressions for each of the twelve considered noise sources are given. By means of an analytical description of the ch... View full abstract»

• ### Design and Optimization of Piezoelectric MEMS Vibration Energy Harvesters Based on Genetic Algorithm

Publication Year: 2017, Page(s):7372 - 7382
Cited by:  Papers (4)
| | PDF (1689 KB) | HTML

Low-power electronic applications are normally powered by batteries, which have to deal with stringent lifetime and size constraints. To enhance operational autonomy, energy harvesting from ambient vibration by microelectromechanical systems (MEMS) has been identified as a vivid solution to this universal problem. This paper proposes an automated design and optimization methodology with minimum hu... View full abstract»

• ### GaN Membrane Supported SAW Pressure Sensors With Embedded Temperature Sensing Capability

Publication Year: 2017, Page(s):7383 - 7393
Cited by:  Papers (2)
| | PDF (4643 KB) | HTML

This paper presents the fabrication and characterization of a GHz operating surface acoustic wave (SAW)-based pressure sensor on a 1.2-μm-thin GaN membrane. Two types of interdigitated transducers are manufactured using electron beam nanolithography to obtain finger and interdigit spacing widths, one with 170 nm and the other 200-nm-half pitch. Micromachining techniques are used to obtain the 1.2-... View full abstract»

## Aims & Scope

The IEEE Sensors Journal is a peer-reviewed, semi-monthly online journal devoted to sensors and sensing phenomena.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Sandro Carrara
École Polytechnique Fédérale de Lausanne (EPFL)
Lausanne, CH-1015 Switzerland
sandro.carrara@epfl.ch