Ansari Azaj Au. <br/><br/>
Polymorphic phase boundaries and light upconversion effects in Er3+ and Sn4+ modified BaTiO3 ceramics 

 -  2021 
 - 164p.  p.  cm. 
<br/><br/><label>Standard No.: </label>72220 
<br/><br/><label>Source: </label> Theses 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics