CsB 3 O 4 (OH) 2 : a new deep-ultraviolet birefringent crystal with [B 3 O 4 (OH) 2 ] anionic group.

Authors :: Wang X
Zhang B
Yang D
Wang Y
Source :: Dalton transactions (Cambridge, England : 2003) [Dalton Trans] 2022 Sep 26; Vol. 51 (37), pp. 14059-14063. Date of Electronic Publication: 2022 Sep 26.
Publication Year :: 2022
Abstract: A new cesium hydroxyborate CsB <subscript>3</subscript> O <subscript>4</subscript> (OH) <subscript>2</subscript> , was designed and synthesized by a hydrothermal method. Remarkably, CsB <subscript>3</subscript> O <subscript>4</subscript> (OH) <subscript>2</subscript> presents novel [B <subscript>3</subscript> O <subscript>4</subscript> (OH) <subscript>2</subscript> ] <subscript>∞</subscript> chains formed by [B <subscript>3</subscript> O <subscript>4</subscript> (OH) <subscript>2</subscript> ] fundamental building blocks (FBBs). The report of less common [B <subscript>3</subscript> O <subscript>4</subscript> (OH) <subscript>2</subscript> ] FBBs and [B <subscript>3</subscript> O <subscript>4</subscript> (OH) <subscript>2</subscript> ] <subscript>∞</subscript> chains in CsB <subscript>3</subscript> O <subscript>4</subscript> (OH) <subscript>2</subscript> enriches the structural diversity of hydroxyborates. In addition, CsB <subscript>3</subscript> O <subscript>4</subscript> (OH) <subscript>2</subscript> has a wide transparent window in the DUV spectral range and a large birefringence.

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