尖晶石三元硫化物的化学置换合成及表征分析
【文章页数】:62 页
【学位级别】:硕士
【部分图文】:
图1,2五种磁性物质的x_T曲线,⑷抗磁性(b)顺磁性(c)反铁磁性(d)铁磁性(e)亚铁磁性??Figure?1.2?x*T?curves?of?five?magnetic?substances,?(a)?diamagnetic?(b)?paramagnetic?(c)??antiferromaneticdferromaneticeferrimanetic??
??第1章绪论????Xd?V??0??T?〇l ̄—????T??(a)?㈨??〇?TV*?T?^r?0?T??(〇?⑷?(C)??图1,2五种磁性物质的x_T曲线,⑷抗磁性(b)顺磁性(c)反铁磁性(d)铁磁性(e)亚铁磁性??Figure?1.2?x*T?curves?of?....
图1.3五种磁性物质的基本磁结构,(a)抗磁性(b)顺磁性(c)反铁磁性(d)铁磁性(e)亚铁磁性??Figure?1.3?The?basic?magnetic?structure?of?five?magnetic?substances,?(a)?diamagnetic?(b)??paramagnetic?(c)?antiferromagnetic?(d)?ferromagnetic?(e)?ferrimagnetic??
??第1章绪论????Xd?V??0??T?〇l ̄—????T??(a)?㈨??〇?TV*?T?^r?0?T??(〇?⑷?(C)??图1,2五种磁性物质的x_T曲线,⑷抗磁性(b)顺磁性(c)反铁磁性(d)铁磁性(e)亚铁磁性??Figure?1.2?x*T?curves?of?....
图2.1?CoCr2S4样品的XRD图??Fig?2.1?XRD?pattern?of?CoCr2S4?sample??
?第2章尖晶石三元硫化物C〇Cr2S4的制备及其表征分析???2.3结果分析与讨论??2.3.1物相分析??一?一?CoCr2S4??芸?I?????1?i?'?i?'?i?r?i?■?i?'?i—■—??10?20?30?40?50?60?70?80??2?沒(deg.}??图....
图2.3CoCr204非晶前驱(a)?(b)的SEM图,CoCr2S4样品(c)?(d)?(e)的SEM图及其??对应元素的mapping图,(f)钴,(g)铬,(h)硫??Fig?2.3?CoCr2〇4?amorphous?precursor?(a)?(b)?SEM?image,?CoCr2S4?sample?(c)?(d)?(e)?SEM??image?and?corresponding?element?mapping?diagram,?(f)?cobalt,?(g)?chromi?
?第2章尖晶石三元硫化物CoCr2S4的制备及其表征分析???代〇离子所需的能量势垒将远低于从结晶状态下的取代。因此C〇Cr2S4所需要??的合成温度将大大降低,这同时也为我们低温合成其他各种尖晶石硫化物提供??了一种崭新的思路。??2.3.2形貌分析??inn??UK.??图2....
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