Entirely Flexible On‐Site Conditioned Magnetic Sensorics

Münzenrieder, Niko; Karnaushenko, Daniil; Petti, Luisa; Cantarella, Giuseppe; Vogt, Christian; Büthe, Lars; Schmidt, Oliver G.; Makarov, Denys; Tröster, Gerhard

doi:10.1002/aelm.201600188

Cited by 43 publications

(49 citation statements)

References 74 publications

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“…Metals are some of the most commonly employed materials as conductors in both flexible and stretchable sensors. Copper (Cu) [7,8], gold (Au) [9][10][11][12][13], molybdenum (Mo) [14,15], silver (Ag) [16][17][18][19][20], platinum (Pt) [21,22], chromium (Cr) [23,24], aluminium (Al) [25][26][27][28], nickel (Ni) [11,29] and magnesium (Mg) [30,31] have all been widely used due to their intrinsic electrical conductivity and high mechanical stability under bending stress down to micrometer scale [32]. Au has been extensively used in the form of thin-film metallic contacts due to its resistance to oxidation.…”

Section: Metalsmentioning

confidence: 99%

“…Also, Mg has recently been employed as a contact due to its biocompatibility (Figure 2a). In addition, metal thin films can be easily deposited on flexible substrates through conventional techniques such as electroplating [37][38][39], sputtering [15,23], thermal/e-beam evaporation [9,22,40], and solution methods [19,41,42]. Nevertheless, although these materials are adequate for flexible applications, they are not easily employable in stretchable scenarios in the form of thin films, unless delicate substrate modifications are applied [32,43,44].…”

Section: Metalsmentioning

confidence: 99%

“…Among metal oxide semiconductors, the most widely used material in flexible sensors as a TFT channel is amorphous indium-gallium-zinc-oxide (a-IGZO) [14,15,23,24,32,33], while ZnO is widely used for electromagnetic radiation sensors [21,73,74,[168][169][170][171][172]. Other metal oxides which have also been used in flexible sensors as semiconductors are indium-zinc-oxide (IZO) [173,174], and tin-oxide (SnO) [175][176][177].…”

Section: Metal Oxide Semiconductorsmentioning

confidence: 99%

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Flexible Sensors—From Materials to Applications

et al. 2019

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Flexible sensors have the potential to be seamlessly applied to soft and irregularly shaped surfaces such as the human skin or textile fabrics. This benefits conformability dependant applications including smart tattoos, artificial skins and soft robotics. Consequently, materials and structures for innovative flexible sensors, as well as their integration into systems, continue to be in the spotlight of research. This review outlines the current state of flexible sensor technologies and the impact of material developments on this field. Special attention is given to strain, temperature, chemical, light and electropotential sensors, as well as their respective applications.

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Section: Metalsmentioning

confidence: 99%

Section: Metalsmentioning

confidence: 99%

Section: Metal Oxide Semiconductorsmentioning

confidence: 99%

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Flexible Sensors—From Materials to Applications

et al. 2019

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“…OLEDs are considered as one of the most promising next generation display technologies due to their superior performance such as high efficiency, wide viewing angle, low power and small thickness [20][21][22][23][24][25][26][27][28][29][30][31][32][33]. Recently, the oxide-based TFTs driving OLED have become the most promising technology to realize really flexible displays [34][35][36][37][38][39][40][41]. The technological advance in TFTs is a significant factor for promoting the development of such displays [42][43][44][45][46][47][48][49][50].…”

Section: Introductionmentioning

confidence: 99%

Research Progress on Flexible Oxide-Based Thin Film Transistors

Zhang

Xiao

et al. 2019

Applied Sciences

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Oxide semiconductors have drawn much attention in recent years due to their outstanding electrical performance, such as relatively high carrier mobility, good uniformity, low process temperature, optical transparency, low cost and especially flexibility. Flexible oxide-based thin film transistors (TFTs) are one of the hottest research topics for next-generation displays, radiofrequency identification (RFID) tags, sensors, and integrated circuits in the wearable field. The carrier transport mechanism of oxide semiconductor materials and typical device configurations of TFTs are firstly described in this invited review. Then, we describe the research progress on flexible oxide-based TFTs, including representative TFTs fabricated on different kinds of flexible substrates, the mechanical stress effect on TFTs and optimized methods to reduce this effect. Finally, an outlook for the future development of oxide-based TFTs is given.

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“…However, these methods cannot be applied in all cases and they require large size instruments. The measurement of deformation and monitoring of strain integrated with electronic elements are important in particular for systems such as flexible electronics [5][6][7], because in comparison to classical silicon electronics the stretchable elements are deformed to a larger degree. For such applications, the suitable method of strain measurement can be the use of light diffraction.…”

Section: Introductionmentioning

confidence: 99%

Optical Diffraction Strain Sensor Prepared by Interference Lithography

et al. 2018

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An optical strain sensor was developed for use in stretchable electronics. It consists of a diffraction grating formed directly on the examined surface illuminated by a laser beam which creates interference pattern. This pattern can then be used to determine axial and lateral strains for a uniaxial stress states. Direct laser interference patterning was employed as a fast processing tool for the preparation of micro-and sub-microgratings. Two coherent beams of Nd:YAG laser with 532 nm wavelength and pulse duration of 10 ns were used to selectively remove material from the irradiated sample surface. This technique creates periodic pattern on the metallized surface of polymeric substrates. New sensors formed by direct laser interference patterning method were able to resolve higher order diffraction maxima, which would be of benefit for strain measurement application. Experimental setup for tensile tests was composed of laser probe, the sensor element, and CCD camera. To extract strain values, we analysed acquired interference pattern images in real time software, developed with LabVIEW environment. This kind of contactless strain sensor is suitable for examination of stretchable electronics component for which conventional tensile tests are either not acceptable or can interfere with its normal operation.

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Entirely Flexible On‐Site Conditioned Magnetic Sensorics

Cited by 43 publications

References 74 publications

Flexible Sensors—From Materials to Applications

Flexible Sensors—From Materials to Applications

Research Progress on Flexible Oxide-Based Thin Film Transistors

Optical Diffraction Strain Sensor Prepared by Interference Lithography

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