Magnetoelectric (ME) sensors are an important tool to detect weak magnetic fields in the industry; however, date, there no high-quality ME available for high-temperature environments such as engines, deep underground, and outer space. Here, a 0.364BiScO3–0.636PbTiO3 piezoelectric ceramic Terfenol-D alloy with Curie temperature of 450 380 °C, respectively, were bonded together by inorganic glue ...

Sliver-mode 0.73Pb(Mg1/3Nb2/3)O3-0.27PbTiO3 single crystals were poled by the alternating current electric field (ACP) along [001] direction for low-frequency transducer applications. Under ACP with optimized conditions (2.89 kVrms, 0.1 Hz, 10 cycles), free dielectric constant (?T33/?0) was enhanced from 5300 to 7220 and piezoelectric coefficient (d33) improved 1410 1920 pC/N, both are about 36...

Optimizing renewable energy harvesting is of major importance in the following decades. In order to increase performance and efficiency, an ideal balance mechanical piezoelectric properties must be targeted. For this purpose, approach ceramic auxetic honeycomb structures made (Ba,Ca)(Zr,Ti)O3 (BCZT) which produced via injection molding considered. The main design parameter structural angle ? va...

Additively manufactured flexible and high-performance piezoelectric devices are highly desirable for sensing energy harvesting of 3D conformal structures. Herein, the study reports a significantly enhanced piezoelectricity in polyvinylidene fluoride (PVDF) achieved through situ dipole alignment PVDF within PVDF-2D molybdenum disulfide (2D MoS2) composite by printing. The shear stress-induced po...

Bu çalışmada, yerli bor (B2O3) hammaddesi kullanılarak katı-hal reaksiyonu ile molce %1 B+3 katkılı 0,94(Bi0,5Na0,5)TiO3-0,06BaTiO3 (BNT-6BT) seramikler üretilmiştir. Kalsinasyon sonrası faz oluşumu X-ışını kırınımı (XRD) belirlenen tozlardan hidrolik pres (ön şekillendirme) ve soğuk izostatik presleme (CIP) disk şeklinde numuneler hazırlamıştır. Numuneler bağlayıcı giderme işleminin ardından 1...

Mn-added (K,Na)NbO3-based composite lead-free piezoelectric ceramic containing KTiNbO5 phase was fabricated for potential application to high-power fields. The resulting with 2 mol % MnO2 exhibited properties (mechanical quality factor Qm = 650, constant d33 140 pC/N, electromechanical coupling coefficient kp 0.42, dielectric ε33T/ε0 750, loss tan δ 0.5 %), and adequate heat resistance (Curie t...

Binder jetting is an emerging indirect additive manufacturing technique for ceramic materials, which could be employed to produce application-oriented designed components impossible achieve with traditional processes and featuring enhanced performances. In our study, niobium-doped lead zirconate titanate (PZT-N) powder, usually processed through the standard press-and-sinter route, was as raw m...

To study the structural, elastic, piezoelectric and dielectric properties of wurtzite LaN, we have used ab initio total-energy pseudopotential plane-wave method (PP-PW) based on density functional theory (DFT) perturbation (DFPT), performed with generalized gradient approximation (GGA) as well local (LDA). The elastic constants calculations are all positive satisfy mechanical stability conditio...

Fine and homogeneous ceramic powders of bismuth sodium titanate, (Bi0.5Na0.5)TiO3 (BNT), were prepared via a hydrothermal synthesis process by using the Bi2O3 TiO2 as starting raw materials. In particularly, conditions such temperature, time NaOH-aq concentration controlled optimized to obtain fine BNT particles with single perovskite structure. Then, appropriate obtained 12 M, 240 °C for 24 h ...

In this work, to systematically investigate the evolution characteristics of electrical properties in polymorphic piezoceramics, Ba(Ti0.92Zr0.08)O3 ceramics are selected as a paradigm that possesses all general phase structures above room temperature. It is found with temperature change can be divided into three stages based on structure transforming: high ferroelectric and stable strain at R R...