摘 要
本論文是以無機陽離子當模板利用高溫高壓水熱法合成了三個矽酸釩化合物鹽如下所列：
Rb2(VO)(Si4O10)‧xH2O 化合物 1
Na5VSi4O12 化合物 2
Cs2VSi6O15 化合物 3
所得化合物均由單晶X-光繞射(SXRD)分析定出結構;由粉末X-光繞射(PXRD)分析證實產物純度;；以超導量子干涉磁量儀(SQUID)來測量化合物的磁性現象；固態核磁共振光譜儀(Solid State NMR)測定1H的光譜。
化合物1是一三維化合物，為新穎的V4+孔洞化合物，屬三斜晶係，空間群為I41md (#109)，Rb+ 陽離子以六配位方式鍵結，與VO5四角錐、SiO4四面體以共角方式共用氧原子，化合物 2為V3+的三維釩矽酸鹽化合物，屬單斜晶系，空間群為R c (#167)，是由VO6八面體、SiO4四面體及Na+陽離子所組成。Na+ 陽離子以六配位方式鍵結，與VO6八面體、SiO4四面體以共角方式共用氧原子。化合物 3為新穎的V4+孔洞化合物，屬正交晶係，空間群為Pmn21(#31)，基本單元是由VO6八面體、SiO4四面體及Cs+陽離子所組成，都是以共角方式鍵結形成三維結構。
每個化合物的反應合成條件及儀器測量方法將詳述於第二章，在第三章中將針對每一個化合物的晶體結構特徵進行描述與討論，以及探討化合物 1的磁性現象。

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