<p><b>亞錳酸鑭</b>是一種無機化合物，化學式為LaMnO<sub>3</sub>，簡寫<b>LMO</b>。亞錳酸鑭具有鈣鈦礦結構，由中心錳原子和氧八面體構成。立方晶系的鈣鈦礦結構由於受到氧八面體強烈的姜-泰勒效應，被扭曲為正交晶系的結構。</p>
<h2><span id=".E5.88.B6.E5.A4.87"></span><span id="制备">製備</span></h2>
<p>亞錳酸鑭可由對應氧化物或碳酸鹽的高溫反應製備。</p>
<dl><dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {\ 2\ La_{2}O_{3}+4\ MnCO_{3}+O_{2}\longrightarrow 4\ LaMnO_{3}+\ 4\ CO_{2}} }">
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<dd><span><span><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {La_{2}O_{3}+Mn_{2}O_{3}\longrightarrow \ 2\ LaMnO_{3}} }">
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  </semantics></math></span></span></dd></dl><p>將硝酸鑭和硝酸錳混合，蒸去溶劑後高溫反應，也能得到亞錳酸鑭。</p>
<h2><span id=".E5.8F.82.E8.A7.81"></span><span id="参见">參見</span></h2>
<ul><li>姜-泰勒效應</li>
<li><span data-orig-title="电子关联" data-lang-code="en" data-lang-name="英語" data-foreign-title="Electron correlation"><span>電子關聯</span></span></li></ul><h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

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**亞錳酸鑭**是一種無機化合物，化學式為 LaMnO3，簡寫 **LMO**。亞錳酸鑭具有鈣鈦礦結構，由中心錳原子和氧八面體構成。立方晶系的鈣鈦礦結構由於受到氧八面體強烈的姜 - 泰勒效應，被扭曲為正交晶系的結構。

## 製備

亞錳酸鑭可由對應氧化物或碳酸鹽的高溫反應製備。

　
: $\mathrm {\ 2\ La_{2}O_{3}+4\ MnCO_{3}+O_{2}\longrightarrow 4\ LaMnO_{3}+\ 4\ CO_{2}} $

　
: $\mathrm {La_{2}O_{3}+Mn_{2}O_{3}\longrightarrow \ 2\ LaMnO_{3}} $

將硝酸鑭和硝酸錳混合，蒸去溶劑後高溫反應，也能得到亞錳酸鑭。

## 參見

* 姜 - 泰勒效應
* 電子關聯

## 參考文獻
12031-12-8