Results 41 to 50 of about 2,059,101 (215)

Sodium lithium niobate lead-free piezoceramics for high-power applications: Fundamental, progress, and perspective

Journal of Advanced Ceramics, 2023
With the capability of interconversion between electrical and mechanical energy, piezoelectric materials have been revolutionized by the implementation of perovskite-piezoelectric-ceramic-based studies over 70 years.
Chen-Bo-Wen LI, Zhao LI, Juan WANG, Yi-Xuan LIU, Jing-Tong LU, Ze XU, Pak-Sheng SOON, Ke BI, Chuan CHEN, Ke WANG   +9 more
doaj   +1 more source

Comparative Analysis of Effectiveness of Traditional Lead Aprons versus Newer Generation Lead-free Aprons in Radiation Protection

Journal of Medical Physics
The comparative effectiveness of traditional lead aprons versus newer generation lead-free alternatives in radiation protection is a critical area of investigation in medical safety. While lead aprons have long been the standard, concerns over weight and
Sri Hari Prasath Gurumurthi, Vasanthaprabha Rajasekar   +1 more
doaj   +1 more source

An Introductory Overview of Various Typical Lead-Free Solders for TSV Technology

Inorganics
As semiconductor packaging technologies face limitations, through-silicon via (TSV) technology has emerged as a key solution to extending Moore’s law by achieving high-density, high-performance microelectronics.
Sooyong Choi, Sooman Lim, Muhamad Mukhzani Muhamad Hanifah, Paolo Matteini, Wan Yusmawati Wan Yusoff, Byungil Hwang   +5 more
doaj   +1 more source

Corrosion Behavior of Zinc Wrought Alloy ZnAl15Cu1Mg (ZEP1510) as a Potential Substitute for Brass and Galvanized Steel

Alloys
The increasing restriction of lead in industrial alloys, particularly in copper–zinc-based materials such as CuZn40Pb2, necessitates the development of environmentally safer alternatives.
Abdulkerim Karaman, Alexander Kremer, Michael Marré   +2 more
doaj   +1 more source

Comparative Analysis of Inorganic B-Site Absorber Materials in Perovskite Solar Cells

IEEE Access
Perovskite solar cells (PSCs), known for their high power conversion efficiencies and low-cost fabrication, face critical challenges due to the toxicity and instability of lead-based absorbers.
Aisha Shaikh, Pervez Hameed Shaikh, Shoaib Ahmed Khatri, Faheemullah Shaikh, Sadaf Gul Unar, Laveet Kumar, Mohamed Sultan Mohamed Ali   +6 more
doaj   +1 more source

Lead-Free Bi_3.15Nd_0.85Ti₃O₁₂ Nanoplates Filler-Elastomeric Polymer Composite Films for Flexible Piezoelectric Energy Harvesting

Micromachines, 2020
Nowadays, wearable and flexible nanogenerators are of great importance for portable personal electronics. A flexible piezoelectric energy harvester (f-PEH) based on Bi3.15Nd0.85Ti3O12 single crystalline nanoplates (BNdT NPs) and polydimethylsiloxane ...
Wancheng Qin, Peng Zhou, Yajun Qi, Tianjin Zhang   +3 more
doaj   +1 more source

Electromechanical Anisotropy at the Ferroelectric to Relaxor Transition of (Bi0.5Na0.5)0.94Ba0.06TiO3 Ceramics from the Thermal Evolution of Resonance Curves

Applied Sciences, 2018
(Bi0.5Na0.5)0.94Ba0.06TiO3 dense ceramics were obtained from autocombustion sol-gel synthesized nanopowders and sintered at 1050 °C for 1–2 h for the study of the electromechanical anisotropy. Measurement of the complex impedance spectrum was carried out
Nicolás Pérez, Alvaro García, Enrique Riera, Lorena Pardo   +3 more
doaj   +1 more source

Whisker Test of Lead-Free Semiconductor Packages in Lead-Free Soldering

Journal of Japan Institute of Electronics Packaging, 2010
We evaluated the semiconductor mounting substrate and investigated the whisker's generations and factors by experimenting different environmental conditions. On the lead consisted of Cu base/Sn plating, the result of the condition 110°C/85% & 120°C/85% which were produced by Air-HAST (HAST with air) generates Sn whiskers faster than other high ...
Akiko Kobayashi, Keiko Toi, Takashi Kajihara, Makoto Takeuchi, Kuniaki Takahashi   +4 more
openaire   +2 more sources

Prospective of (BaCa)(ZrTi)O₃ Lead-free Piezoelectric Ceramics

Crystals, 2019
Piezoelectric ceramics is a functional material that can convert mechanical energy into electrical energy and vice versa. It can find wide applications ranging from our daily life to high-end techniques and dominates a billion-dollar market.
Wenfeng Liu, Lu Cheng, Shengtao Li
doaj   +1 more source

Optimization of Electron and Hole Transport Layer to Model A Lead-Free Inorganic Cs₃Bi₂I₉Based Perovskite Solar Cell and Investigating the Effects of Different Attributes on Device Performance

, 2023
Arnob Das, Sujan Banik, Barun K. Das, Nurul Islam   +3 more
openalex   +2 more sources