海归学者发起的公益学术平台分享信息，整合资源交流学术，偶尔风月尽管具有强自发极化的纤锌矿AlN（wz-AlN）在压电与热释电领域已获广泛研究，但因其极化无法通过外电场翻转，其铁电性长期存在争议。2019年，Sc掺杂首次实现了wz-AlN的极化反转，开 ...

In a rapidly evolving hospitality industry, Hyatt Hotels has recently made headlines with its subtle yet significant strategic shift. Unlike its competitors who have aggressively pursued lower-priced ...