Neutron diffraction and gravimetric study of the manganese nitriding reaction under ammonia decomposition conditions†,Physical Chemistry Chemical Physics

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Neutron diffraction and gravimetric study of the manganese nitriding reaction under ammonia decomposition conditions†
Physical Chemistry Chemical Physics ( IF 2.9 ) Pub Date : 2018-03-15 00:00:00 , DOI: 10.1039/c7cp07613d
Thomas J. Wood _{1,

2,

3,

4,

5} , Joshua W. Makepeace _{1,

2,

3,

4,

5} , William I. F. David _{1,

2,

3,

4,

5}

Affiliation

Manganese and its nitrides have recently been shown to co-catalyse the ammonia decomposition reaction. The nitriding reaction of manganese under ammonia decomposition conditions is studied in situ simultaneously by thermogravimetric analysis and neutron diffraction. Combining these complementary measurements has yielded information on the rate of manganese nitriding as well as the elucidation of a gamut of different manganese nitride phases. The neutron diffraction background was shown to be related to the extent of the ammonia decomposition and therefore the gas composition. From this and the sample mass, implications about the rate-limiting steps for nitriding by ammonia and nitriding by nitrogen are discussed.

中文翻译：

氨分解条件下锰氮化反应的中子衍射和重量法研究†

锰及其氮化物最近已被证明能共同催化氨分解反应。的锰下氨分解条件氮化反应进行了研究原位同时通过热重分析和中子衍射。结合这些互补的测量结果，可以得出有关氮化锰速率以及不同氮化锰相色域信息的信息。已显示中子衍射背景与氨分解的程度有关，因此与气体成分有关。由此和样品质量，讨论了有关氨氮化和氮氮化的限速步骤的含义。

更新日期：2018-03-15

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