Adjustable type-II band alignment of ferroelectric In<sub>2</sub>Se<sub>3</sub>/SnSe<sub>2</sub> van der Waals heterostructures using strain: outstanding electronic, optical and photocatalytic properties

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A series of bilateral health agreements being negotiated between African countries and the administration of President Donald Trump have been labelled “clearly lop-sided” and “immoral” amid growing outrage at US demands, including countries being forced to share biological resources and data.

2026-02-27 10:00:01

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Ранее пресс-секретарь президента России Владимира Путина Дмитрий Песков заявил, что Кремль не видит существенных изменений переговорной позиции Киева в рамках урегулирования конфликта на Украине.

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