Searched for: author:"de Leeuw, D.M."
(1 - 16 of 16)
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Zhao, Dong (author), Lenz, Thomas (author), Gelinck, Gerwin H. (author), Groen, W.A. (author), Damjanovic, Dragan (author), de Leeuw, D.M. (author), Katsouras, Ilias (author)
Depolarization in ferroelectric materials has been studied since the 1970s, albeit quasi-statically. The dynamics are described by the empirical Merz law, which gives the polarization switching time as a function of electric field, normalized to the so-called activation field. The Merz law has been used for decades; its origin as domain-wall...
journal article 2019
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Stuber, V.L. (author), Deutz, Daniella B. (author), Bennett, James (author), Cannel, David (author), de Leeuw, D.M. (author), van der Zwaag, S. (author), Groen, W.A. (author)
are the piezoelectric charge and voltage coefficient. Commonly used piezoelectric...
journal article 2019
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Li, Mengmeng (author), Mangalore, Deepthi Kamath (author), Zhao, Jingbo (author), Carpenter, Joshua H. (author), Yan, Hongping (author), Ade, Harald (author), Müllen, Klaus (author), Blom, Paul W.M. (author), Pisula, Wojciech (author), de Leeuw, D.M. (author), Asadi, Kamal (author), Yan, He (author)
It is still a great challenge to fabricate conjugated polymer monolayer field-effect transistors (PoM-FETs) due to intricate crystallization and film formation of conjugated polymers. Here we demonstrate PoM-FETs based on a single monolayer of a conjugated polymer. The resulting PoM-FETs are highly reproducible and exhibit charge carrier...
journal article 2018
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Rocha, Paulo R.F. (author), Silva, Alexandra D. (author), Godinho, Lia (author), Dane, Willem (author), Estrela, Pedro (author), Vandamme, Lode K.J. (author), Pereira-Leal, Jose B. (author), de Leeuw, D.M. (author), Leite, Ricardo B. (author)
Diatoms are photosynthetic microalgae, a group with a major environmental role on the planet due to the biogeochemical cycling of silica and global fixation of carbon. However, they can evolve into harmful blooms through a resourceful communication mechanism, not yet fully understood. Here, we demonstrate that a population of diatoms under...
journal article 2018
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Morant-Miñana, Maria C. (author), Heidler, Jonas (author), Glasser, Gunnar (author), Lu, Hao (author), Berger, Rüdiger (author), Gil-Gonzalez, Nerea (author), Müllen, Klaus (author), de Leeuw, D.M. (author), Asadi, Kamal (author)
Re-establishment of electrical conductivity in graphene oxide (GO), the insulating form of graphene, is (partially) accomplished by reduction through high temperature treatments in a reducing atmosphere, or using strongly reducing chemicals or electrolytic processes. The reduction methods are suited for bulk graphene oxide. Spatially resolved...
journal article 2018
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Sharifi Dehsari, Hamed (author), Kumar, Manasvi (author), Ghittorelli, Matteo (author), Glasser, Gunnar (author), Lenz, Thomas (author), de Leeuw, D.M. (author), Torricelli, Fabrizio (author), Asadi, Kamal (author)
Solution-processed memory diodes based on phase separated blends of ferroelectric and semiconducting polymers in the low resistance on-state operate similar to a vertical field-effect transistor at the pinch-off. Numerical simulations have shown that the performance of the diode is dominated by the conduction of charge carriers at the...
journal article 2018
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Deutz, D.B. (author), Pascoe, J.A. (author), Schelen, J.B.J. (author), van der Zwaag, S. (author), de Leeuw, D.M. (author), Groen, W.A. (author)
Piezoelectric energy harvesters are at the front of scientific research as enablers of renewable, sustainable energy for autonomous wireless sensor networks. Crucial for this disruptive technology is the achievable output power. Here we show, analytically, that the maximum output energy per unit volume, under a single sinusoidal excitation,...
journal article 2018
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Ciavatti, A. (author), Cramer, T. (author), Carroli, M. (author), Basiricò, L. (author), Fuhrer, R. (author), de Leeuw, D.M. (author), Fraboni, B. (author)
Semiconducting polymer based X-ray detectors doped with high-Z nanoparticles hold the promise to combine mechanical flexibility and large-area processing with a high X-ray stopping power and sensitivity. Currently, a lack of understanding of how nanoparticle doping impacts the detector dynamics impedes the optimization of such detectors. Here...
journal article 2017
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Lenz, Thomas (author), Hummel, Regina (author), Katsouras, Ilias (author), Groen, W.A. (author), Nijemeisland, M. (author), Ruemmler, Robert (author), Schäfer, Michael K.E. (author), de Leeuw, D.M. (author)
Recently reported piezoresponse force microscopy (PFM) measurements have proposed that porcine aortic walls are ferroelectric. This finding may have great implications for understanding biophysical properties of cardiovascular diseases such as arteriosclerosis. However, the complex anatomical structure of the aortic wall with different...
journal article 2017
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Ghittorelli, M. (author), Lenz, Thomas (author), Dehsari, H.S. (author), Zhao (赵冬), Dong (author), Asadi, Kamal (author), Blom, Paul W.M. (author), Kovács-Vajna, Z. M. (author), de Leeuw, D.M. (author), Torricelli, F. (author)
Non-volatile memories—providing the information storage functionality—are crucial circuit components. Solution-processed organic ferroelectric memory diodes are the non-volatile memory candidate for flexible electronics, as witnessed by the industrial demonstration of a 1 kbit reconfigurable memory fabricated on a plastic foil. Further progress,...
journal article 2017
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Deutz, D.B. (author), Mascarenhas, N.T. (author), Schelen, J.B.J. (author), de Leeuw, D.M. (author), van der Zwaag, S. (author), Groen, W.A. (author)
(KNLN) powders aligned in a polydimethylsiloxane (PDMS) matrix. KNLN powder is fabricated by solid-state sintering and consists of microcubes. The...
journal article 2017
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Zhao, D (author), Asadi, Kamal (author), Groen, W.A. (author), Blom, PWM (author), de Leeuw, D.M. (author)
A homogeneous ferroelectric single crystal exhibits only two remanent polarization states that are stable over time, whereas intermediate, or unsaturated, polarization states are thermodynamically instable. Commonly used ferroelectric materials however, are inhomogeneous polycrystalline thin films or ceramics. To investigate the stability of...
journal article 2016
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Lenz, T. (author), Dehsari, H.S. (author), Asadi, Kamal (author), Blom, PWM (author), Groen, W.A. (author), de Leeuw, D.M. (author)
We demonstrate that ferroelectric memory diodes can be utilized as switching type positive temperature coefficient (PTC) thermistors. The diode consists of a phase separated blend of a ferroelectric and a semiconducting polymer stacked between two electrodes. The current through the semiconducting polymer depends on the ferroelectric...
journal article 2016
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Rocha, P.R.F. (author), Medeiros, C.R. (author), Kintzel, U. (author), Vogt, J. (author), Araújo, I.M. (author), Mestre, A.L.G. (author), Mailänder, V. (author), Schlett, P. (author), Dröge, M. (author), Schneider, L (author), Biscarini,, F. (author), de Leeuw, D.M. (author), Gomes, H.L. (author)
Glioma patients often suffer from epileptic seizures because of the tumor’s impact on the brain physiology. Using the rat glioma cell line C6 as a model system, we performed long-term live recordings of the electrical activity of glioma populations in an ultrasensitive detection method. The transducer exploits large-area electrodes that maximize...
journal article 2016
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Meijer, E.J. (author), Gelinck, G.H. (author), Van Veenendaal, E. (author), Huisman, B.H. (author), De Leeuw, D.M. (author), Klapwijk, T.M. (author)
The scaling behavior of the transfer characteristics of solution-processed disordered organic thin-film transistors with channel length is investigated. This is done for a variety of organic semiconductors in combination with gold injecting electrodes. From the channel-length dependence of the transistor resistance in the conducting ON-state, we...
journal article 2003
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Meijer, E.J. (author), Tanase, C. (author), Blom, P.W.M. (author), Van Veenendaal, E. (author), Huisman, B.H. (author), De Leeuw, D.M. (author), Klapwijk, T.M. (author)
The switch-on voltage for disordered organic field-effect transistors is defined as the flatband voltage, and is used as a characterization parameter. The transfer characteristics of the solution processed organic semiconductors pentacene, poly(2,5-thienylene vinylene) and poly(3-hexyl thiophene) are modeled as a function of temperature and gate...
journal article 2002
Searched for: author:"de Leeuw, D.M."
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