High-purity samples are essential for quantum matter research. This Comment discusses interesting directions and relevant considerations in growth techniques, particularly molecular beam epitaxy, to improve the quality and expand the variety of thin-film quantum materials.

中文翻译：

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扩展高质量薄膜库


高纯度样品对于量子物质研究至关重要。本评论讨论了生长技术（尤其是分子束外延）的有趣方向和相关考虑因素，以提高薄膜量子材料的质量和扩大其种类。