Synthesis and Downconversion Emission Property of <svg     style="vertical-align:-4.47119pt;width:58.775002px;" id="M1" height="21.65" version="1.1" viewBox="0 0 58.775002 21.65" width="58.775002"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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</svg> Nanosheets and Nanotubes

<table>Scheme of energy levels of Eu<sup>3+</sup> in Yb<sub>2</sub>O<sub>3</sub> and possible mechanical energy level diagram for Eu<sup>3+</sup> after pumping excitation at 395 nm.</table>

Advances in Condensed Matter Physics

fig4

Figure 4

Figure 4: Synthesis and Downconversion Emission Property of <svg     style="vertical-align:-4.47119pt;width:58.775002px;" id="M1" height="21.65" version="1.1" viewBox="0 0 58.775002 21.65" width="58.775002"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
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</svg> Nanosheets and Nanotubes 

Advances in Condensed Matter Physics

Synthesis and Downconversion Emission Property of : Nanosheets and Nanotubes

Figure 4