Results 11 to 20 of about 7,054 (169)
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Piezocatalytic technology utilizes mechanical strain or stress‐induced piezoelectric phenomena to produce robust internal electric fields, markedly improving the separation efficiency of e−‐h+ pairs. This method has emerged as a focal point in catalysis by removing reliance on conventional light or electrical energy via its mechanical‐to ...
Yue Zhou +5 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Soft‐magnetic materials (SMMs) are indispensable for electrification and sustainable energy systems, yet their inherent mechanical fragility fundamentally limits applications under severe mechanical stresses. Enhancing the yield strength of SMMs is essential to prevent the degradation in magnetic performance and failure from plastic ...
Nairan Wang +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT The edge deployment of artificial intelligence has driven the exploitation of compact, energy‐efficient information processing systems that integrate sensing, memory, and multi‐task processing functions. However, conventional vision systems suffer from significant energy/time overhead, extra hardware costs, and an unaffordable algorithm ...
Shanshan Jiang +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Zirconium dioxide (ZrO2) thin films are critical materials owing to their thermal stability, mechanical durability, and optical transparency enabling applications in photonic, sensing, and electronic devices. However, achieving uniform deposition via plasma‐enhanced chemical vapor deposition (PE‐CVD) has remained challenging due to poor ...
Nour Manafikhi +4 more
wiley +1 more source
Preparation and Properties of CaCu3Ti4O12 Ceramics with Giant Permittivity and Low Dielectric Loss via Tape Casting [PDF]
, 2014 本论文在固相反应法的基础上结合流延成型制备CaCu3Ti4O12（简称CCTO）陶瓷薄片，研究两步法烧结和Cu不同化学计量比对流延成型CCTO陶瓷致密度、微观结构和电学性能等方面影响；同时对CCTO陶瓷介电机理的表面效应进行初步探讨；成功制备多层CCTO陶瓷基双功能元件，并与铝电解电容器和超级电容器进行性能和充放电特性对比试验。 首先，采用两步法烧结流延成型CCTO陶瓷薄片。第二步保温时间和第二步烧结温度对流延成型CCTO陶瓷的性能都有较大的影响。随着第二步保温时间的延长和第二步烧结温度的升高 ...
李伟
core
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT The development of high‐performance and stable electrocatalysts for oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution reaction (HER) plays a critical role in advancing clean energy technologies, including metal‐air batteries and hydrogen production through overall water splitting.
Chen‐Yu Cai +4 more
wiley +1 more source
Dianci bileiqi, 1994 不同烧成气氛条件下电瓷制品的烧成实验结果表明：含铁量较高、含钛量较低的电瓷制品，还原气氛下烧成制品的机械性能与电性能均优于氧化气氛下烧成制品的机械性能与电性能，而且在一定的还原烧成气氛浓度范围内，还原气氛浓度越高，制品的性能越好。研究结果还表明：适当提高电瓷制品氧化气氛烧成温度对制品的性能有利，但提高烧成温度而在氧化气氛下烧成制品的性能仍比不上较高还原气氛浓度下烧成制品的性能。
宛良德, 刘振群
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Reliabilities of High Voltage Feed Through Ceramic Capacitors for EMI Applications [PDF]
, 2006 本论文实验采用以环氧树脂混合活性硅微粉和活性增韧剂为主剂，采用多种酸酐混合为固化剂，同时添加促进剂降低固化温度的环氧树脂灌封陶瓷电容器，制成高压瓷介电容滤波器（简称滤波器）。滤波器的制作过程经陶瓷烧结、印银、印锡、焊接、清洗等工序制成半成品，然后装配、灌封树脂、固化树脂和性能检测等。本论文探讨灌封环氧树脂中不同增韧剂及其配比、不同酸酐固化剂配比、不同无机填料对滤波器可靠性的影响，同时研究工艺参数对滤波器可靠性的影响，在现有实验条件下优化滤波器的制作工艺 ...
苏志国
core
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT In conventional piezoceramics, the coordinated change between the dielectric constant (εr) and the piezoelectric charge constant (d33) usually limits the piezoelectric voltage constant g33 (g33 = d33/εr), a critical figure of merit for piezoelectric sensors.
Xiaoying Feng +7 more
wiley +1 more source
Dianci bileiqi, 2002 Zn O非线性电阻内部的气隙和微裂纹构成了其表面与环境联系的复杂通道 ,将内部能延缓 Zn O电阻老化的氧原子不断扩散到大气中 ,导致 Zn O非线性电阻内部的稳定因素氧原子减少而引起性能发生老化。另外微裂纹有可能是潮气进入 Zn O非线性电阻内部的通道 ,潮气将形成电阻通道而导致电阻片性能变差。
裴根林, 何金良
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