Ning Li

2 Questions 12 Answers 0 Followers

Questions related from Ning Li

How can I study the optical property of Mn-doped TiO2 if Mn2O3 impurities are present?

I have made some black powder sample, which is confirmed by PXRD to be a mixture of rutile TiO2 and a-Mn2O3 . There is possibly also some Mn-doped TiO2 inside, as the XRD peaks for TiO2 shift a...

06 June 2015 1,420 1 View

Magnesium has two paired 3s electrons in the Mg(0) state, but why it is a paramagnetic material?

As saying in the question, there are only two 3s electrons in the outer shell of magnesium. They should be paired up and give rise to a diamagnetic behavior. However in many resources, magnesium...

01 January 2015 2,972 3 View