Effect of the oxygen flow rate on the structure and the properties of Ag–Cu–O sputtered films deposited using a Ag/Cu target with eutectic composition

Pierson, J.F.; Rolin, E.; Clément-Gendarme, C.; Petitjean, Carine; Horwat, David

doi:10.1016/j.apsusc.2008.04.026

Cited by 26 publications

(22 citation statements)

References 17 publications

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“…Out of the vast range of electro-conductive inks, silver (Ag) based electro-conductive inks are popular among the smart/electro-textile research community. The reasons for this are their better performance to cost ratios exhibited by silver based electro-conductive inks and the low electrical resistivity of silver, which is around 15.87 nΩ•m [14], making this material one of the best candidates in the field of electro-conductive inks. Silver micro/nanoparticles, which are the primary materials used in these electro-conductive inks, can be relatively easily synthesized using chemical methods, such as dissolving a silver salt into an organic solvent [15].…”

Section: Introductionmentioning

confidence: 99%

A wearable piezo-resistive sensor for capturing cardiorespiratory signals

Wang¹,

Ali²,

Wijekoon³

et al. 2018

Sensors and Actuators A: Physical

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This paper presents the performance of a new nonwoven piezo-resistive sensor for capturing cardiorespiratory signals. The novel piezo-resistive sensor is fabricated by sandwiching a nano silver electro-conductive ink impregnated nonwoven material between two layers of knitted silver fabric that function as sensor electrodes. The paper describes the technology for minimizing the signal noise due to motion artifacts in the sensor. The nonwoven piezo-resistive sensor is tested on volunteers by capturing their cardiorespiratory signals, where the signal noise is filtered using a bandpass filter. The paper further presents the analysis of the performance of the sensor together with a comparison against a commercially available, portable, cardiorespiratory signal monitoring device. The study shows that the wearable nonwoven piezo-resistive sensor system is highly sensitive, and it is an accurate and reliable sensor for capturing cardiorespiratory signals.

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Section: Introductionmentioning

confidence: 99%

A wearable piezo-resistive sensor for capturing cardiorespiratory signals

Wang¹,

Ali²,

Wijekoon³

et al. 2018

Sensors and Actuators A: Physical

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“…16) CuO films can be prepared by various deposition techniques. [2][3][4][5][6][7][8][9][10][11][12] The addition of silver nanoparticles in the oxide matrix is performed in transparent conductive oxide films, 17) gas-sensing films, 18,19) photocatalytic films, 20,21) and antibacterial coatings. 22,23) The addition of Ag in metal oxides can improve their catalytic activities.…”

Section: Introductionmentioning

confidence: 99%

Structural, morphological, electrical, and optical properties of silver thin films of varying thickness deposited on cupric oxide

Hajakbari

Shafieinejad

2016

Jpn. J. Appl. Phys.

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Effect of substrate temperature on the structural, electrical and optical behaviour of reactively sputtered Ag-Cu-O films M Hari Prasad Reddy, P Narayana Reddy, B Sreedhar et al. Effect of Aluminum concentration on structural and optical properties of DC reactive magnetron sputtered Zinc Aluminum Oxide thin films for transparent electrode applications B Rajesh Kumar and T Subba Rao Correlation between the electrical and structural properties of aluminium-doped ZnO thin films obtained by direct current magnetron sputtering L Avril, Ph Guaino, F Maseri et al. High transmittance hetero junctions based on n-ITO/p-CuO bilayer thin films T P Jaya and P P Pradyumnan Defect analysis of sputter grown cupric oxide for optical and electronics application Goutam Kumar Dalapati, Rasanayagam Sivasayan Kajen, Saeid Masudy-Panah et al. Evaluation of the optoelectronic properties and corrosion behavior of Al2O3-doped ZnO films prepared by dc pulsed magnetron sputtering C Zubizarreta, E G Berasategui, R Bayón et al. Influence of post-deposition thermal annealing on the properties of pulsed laser deposited tungsten layers K J Lethy, R Vinod Kumar, S Potdar et al.In this investigation, silver (Ag) films of varying thickness (25-100 nm) were grown on cupric oxide (CuO) on silicon and quartz. The CuO preparation was carried out by the thermal oxidation annealing of copper (Cu) thin films deposited by DC magnetron sputtering. The physical properties of the prepared films were studied by different techniques. Rutherford backscattering spectroscopy (RBS) analysis indicated that the Ag film thickness was about 25-100 nm. X-ray diffraction (XRD) results showed that by increasing Ag thickness, the film crystallinity was improved. Also, atomic force microscopy (AFM) and scanning electron microscopy (SEM) results demonstrated that the surface morphology and the grain size were affected by the Ag film thickness. Furthermore, the electrical resistivity of films determined by four-point probe measurements versus the Ag film thickness was discussed. A reduction in the optical band gap energy of CuO is observed from 1.51 to 1.42 eV with an increase in Ag film thickness to 40 nm in Ag/CuO films.

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“…TCO films based on copper oxides are receiving much attention because of their advantages such as p-type conductivity, low cost, no toxicity, and resource availability [3], and it is important to indicate that development of p-type transparent conducting oxide is one of the key technologies for p-n junction-based oxide devices [4]. A series of p-type TCOs based on a Cu + based system have been reported such as: CuMO 2 (M=Al,Ga,In) [5,6] and [7], SrCu 2 O 2 [8], LnCuOS(Ln=lanthanide) [9,10] and systems Ag-Cu-O [11] and Cu-In-O [12].…”

Section: Introductionmentioning

confidence: 99%

Studies on structural and optical properties of Cu‐Sb‐O thin films

Chaglabou

Akkari

Kanzari

2010

Phys. Status Solidi (c)

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We report in this paper the structural and optical properties of Cu‐Sb‐O thin films systems. Samples were prepared via sequential thermal vacuum deposition of Cu and Sb or Sb and Cu (10‐5 Torr) on glass substrates after what they were heated in vacuum at 200 °C for 1 hour. So, the obtained intermetallic multilayer systems (Cu/Sb)j=1,2,3 and (Sb/Cu)j=1,2,3 were annealed in air atmosphere between 30°C and 400 °C for 3 h for j=1; for 6 h for j=2 and for 9 h for j=3. These films were characterized for their structural, surface morphological, compositional, and optical properties by using X‐ray diffraction (XRD) and optical (transmittance and reflectance) measurement techniques. The X‐ray diffraction (XRD) patterns revealed the presence of CuO, Sb2O3 and Sb2O4phases. The absorption coefficient of Cu‐Sb‐O thin films in all cases is in the range104‐105 cm‐1. The films after annealing have two direct band gap energies in the ranges 1.48–1.50 eV and 2.20‐2.95 eV. The electrical measurements show a conversion from a metallic phase to the semiconductor phase after annealing. The samples exhibit p‐type conductivity after annealing in air of the intermetallic multilayer systems (Cu/Sb)j=3 and (Sb/Cu)j=3. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Effect of the oxygen flow rate on the structure and the properties of Ag–Cu–O sputtered films deposited using a Ag/Cu target with eutectic composition

Cited by 26 publications

References 17 publications

A wearable piezo-resistive sensor for capturing cardiorespiratory signals

A wearable piezo-resistive sensor for capturing cardiorespiratory signals

Structural, morphological, electrical, and optical properties of silver thin films of varying thickness deposited on cupric oxide

Studies on structural and optical properties of Cu‐Sb‐O thin films

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