Search Results - "Peräntie, Jani"
-
1
Ferroelectric, pyroelectric, and piezoelectric properties of a photovoltaic perovskite oxide
Published in Applied physics letters (06-02-2017)“…A perovskite solid-solution, (1-x)KNbO3-xBaNi1/2Nb1/2O3-δ (KBNNO), has been found to exhibit tunable bandgaps in the visible light energy range, making it…”
Get full text
Journal Article -
2
Printable Planar Dielectric Antennas
Published in IEEE transactions on antennas and propagation (01-02-2016)“…Thick film screen-printing technology is employed to introduce planar dielectric antennas. The micron-size-thick film is made from high-permittivity dielectric…”
Get full text
Journal Article -
3
Current Modulation by Optoelectric Control of Ferroelectric Domains
Published in ACS applied electronic materials (22-09-2020)“…Optoelectric control of domains is likely to pave the foundation for optoferroelectric devices. This work reports the combined effect of light and low-voltage…”
Get full text
Journal Article -
4
Comparison of direct electrocaloric characterization methods exemplified by 0.92 Pb(Mg1/3Nb2/3)O3‐0.08 PbTiO3 multilayer ceramics
Published in Journal of the American Ceramic Society (01-07-2017)“…Electrocaloric device structures have been developed as multilayer ceramics (MLCs) based on fundamental research carried out on PMN‐8PT bulk ceramics. Two…”
Get full text
Journal Article -
5
Toward Ecofriendly Piezoelectric Ceramics—Reduction of Energy and Environmental Footprint from Conceptualization to Deployment
Published in Global challenges (01-08-2023)“…Piezoelectric materials are widely used in electromechanical coupling components including actuators, kinetic sensors, and transducers, as well as in kinetic…”
Get full text
Journal Article -
6
Upside-down composites: Electroceramics without sintering
Published in Applied materials today (01-06-2019)“…[Display omitted] •First time ever, all-ceramic BST composite material is produced in room temperature.•The method results with all-ceramic composites with…”
Get full text
Journal Article -
7
Recycling hazardous and energy-demanding piezoelectric ceramics using an oxide-halide perovskite upside-down composite method
Published in RSC sustainability (04-04-2024)“…Piezoelectric ceramics are widely employed in electromechanical coupling components such as sensors, actuators, and transducers owing to their excellent…”
Get full text
Journal Article -
8
Coalition of Thermo–Opto–Electric Effects in Ferroelectrics for Enhanced Cyclic Multienergy Conversion
Published in Energy technology (Weinheim, Germany) (01-09-2020)“…The concept of multisource energy harvesting (of light, kinetic, and thermal energy) using a single material has recently been proposed. Herein, the…”
Get full text
Journal Article -
9
Tape casting system for ULTCCs to fabricate multilayer and multimaterial 3D electronic packages with embedded electrodes
Published in Journal of the American Ceramic Society (01-04-2017)“…A 3D multilayer structure built by two ultra‐low temperature co‐fired ceramic (ULTCC) compositions with silver embedded electrodes are co‐fired at a…”
Get full text
Journal Article -
10
Phase Transitions and Electrocaloric Effect in Ca-Modified Na1/2Bi1/2TiO3-SrTiO3-PbTiO3 Solid Solutions
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-08-2014)“…The electrocaloric effect as a function of Ca concentration is studied in 0.4Na 1/2 Bi 1/2 TiO 3 -(0.4-x)SrTiO 3 -0.2PbTiO 3 -xCaTiO 3 . Weak influence of Ca…”
Get full text
Journal Article -
11
Tunable microwave devices using low-sintering-temperature screen-printed barium strontium titanate (BST) thick films
Published in Journal of the European Ceramic Society (2010)“…A tunable microwave phase shifter composed of a low-sintering-temperature, screen-printable barium strontium titanate (BST) film and silver metallization was…”
Get full text
Journal Article -
12
Tunable Microwave Phase Shifters Using LTCC Technology with Integrated BST Thick Films
Published in International journal of applied ceramic technology (01-01-2012)“…Low temperature co‐fired ceramic (LTCC) reflection and delay line type microwave phase shifters utilizing completely integrated barium strontium titanate (BST)…”
Get full text
Journal Article -
13
Aging in epitaxial ferroelectric PbTiO3 films
Published in Journal of advanced dielectrics (01-12-2016)“…Ability of epitaxial perovskite oxide ferroelectric films to maintain a poled polarization state on a long-term scale is crucial for advanced devices employing…”
Get full text
Journal Article -
14
Low-Sintering-Temperature Ferroelectric-Thick Films: RF Properties and an Application in a Frequency-Tunable Folded Slot Antenna
Published in IEEE antennas and wireless propagation letters (2008)“…This investigation is one of the first steps toward the realization of low-cost, mass-producible, tunable antenna applications utilizing an integrated…”
Get full text
Journal Article -
15
Oxide‐Halide Perovskite Composites for Simultaneous Recycling of Lead Zirconate Titanate Piezoceramics and Methylammonium Lead Iodide Solar Cells
Published in Small methods (01-05-2024)“…Global concerns over energy availability and the environment impose an urgent requirement for sustainable manufacturing, usage, and disposal of electronic…”
Get full text
Journal Article -
16
Comparison of direct electrocaloric characterization methods exemplified by 0.92 Pb(Mg 1/3 Nb 2/3 )O 3 ‐0.08 PbTiO 3 multilayer ceramics
Published in Journal of the American Ceramic Society (01-07-2017)“…Electrocaloric device structures have been developed as multilayer ceramics ( MLC s) based on fundamental research carried out on PMN ‐8 PT bulk ceramics. Two…”
Get full text
Journal Article -
17
Decreasing the relative permittivity of LTCC by porosification with poly(methyl methacrylate) microspheres
Published in Ceramics international (01-11-2015)“…Low Temperature Co-fired Ceramic (LTCC) is one of the cornerstones of today׳s multilayer electronics. However, the relatively high permittivity of LTCC…”
Get full text
Journal Article -
18
Aging in epitaxial ferroelectric PbTiO 3 films
Published in Journal of advanced dielectrics (01-12-2016)“…Ability of epitaxial perovskite oxide ferroelectric films to maintain a poled polarization state on a long-term scale is crucial for advanced devices employing…”
Get full text
Journal Article -
19
Printable Planar Dielectric Waveguides Based on High-Permittivity Films
Published in IEEE transactions on microwave theory and techniques (01-09-2015)“…Planar microwave components are very desirable for many applications and are mainly realized by metallic structures. In this work, a planar dielectric…”
Get full text
Journal Article -
20