亚稳态
材料科学
无定形固体
陶瓷
纳米结构
飞秒
纳米技术
化学物理
激光器
光学
结晶学
化学
复合材料
有机化学
物理
作者
Akihiro Suzuki,Hiromochi Tanaka,Hisao Yamashige,Yuki Orikasa,Yoshiya Niida,Takashi Kimura,Kensuke Tono,Makina Yabashi,Tetsuya Ishikawa,Yoshitaka Bessho,Yasumasa Joti,Yoshinori Nishino
出处
期刊:Nano Letters
[American Chemical Society]
日期:2022-05-25
卷期号:22 (11): 4603-4607
被引量:2
标识
DOI:10.1021/acs.nanolett.1c04392
摘要
Experimental characterization of the nanostructure of metastable functional materials has attracted significant attention with recent advances in computational materials discovery. However, since metastable glass-ceramics are easily damaged by irradiation, damage-free nanoimaging has not been realized thus far. Herein, we propose novel high-contrast coherent diffractive imaging that quantitatively analyzes the intact internal nanostructure of metastable glass-ceramics using femtosecond X-ray pulses. The immersion of sample particles in a solvent helps enhance the reconstructed image contrast and allows us to distinguish an ∼7% electron density difference between an amorphous form and crystals. Furthermore, morphological operations with a band-pass filter quantitatively elucidate the depth information. The evaluated volume ratio of the amorphous to crystalline phases is ∼2.5:1 for the measured metastable (Li2S)70-(P2S5)30 glass-ceramic particle. Sulfide glass-ceramics are used as electrolytes for all-solid-state batteries, which are indispensable for reducing the carbon footprint. Our results will facilitate structural studies on fragile metastable materials with important scientific and industrial implications.
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