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Herein , we report novel composition - phase - tuned GeSbTe NWs , synthesized by a chemical vapor transport method , which guarantees promising applications in the field of nanoscale electric devices .
 Chemical: GeSbTe
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: GeSbTe