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| \  / ||   / _ \\    ____      / _ \\   / ____|| 
|  \/  ||  / //\ \\  |    \\   / //\ \\ / //---`' 
| .  . || |  ___  || | [] ||  |  ___  ||\ \\___   
|_|\/|_|| |_||  |_|| |  __//  |_||  |_|| \_____|| 
`-`  `-`  `-`   `-`  |_|`-`   `-`   `-`   `----`  
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Text this: Facile synthesis of palladium incorporated NiCo₂O₄ spinel for low temperature methane combustion : activate lattice oxygen to promote activity