LiMn2O4: a spinel-related low-temperature modification

✍ Scribed by Tateishi, Kenji ;Suda, Katsumi ;du Boulay, Douglas ;Ishizawa, Nobuo ;Oishi, Shuji

• Book ID: 104481396
• Publisher: International Union of Crystallography
• Year: 2004
• Tongue: English
• Weight: 700 KB
• Volume: 60
• Category: Article
• ISSN: 1600-5368
• DOI: 10.1107/s160053680400025x

✦ Synopsis

Single-crystal synchrotron X-ray diffraction at 297 K revealed the spinel-related low-temperature orthorhombic form of black octahedrally shaped single crystals of lithium dimanganate, LiMn 2 O 4 , grown by the ¯ux method. Three of ®ve MnO 6 octahedra show typical Jahn±Teller distortions associated with Mn III states. The bond valence sums indicate that these three sites are enriched with Mn III and the other two with Mn IV , though the charge distribution among these sites is still partially disordered.