How can I change flux ratio in accordance to concentration in the growth of topological insulator in MBE technique?

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Honglai Li

Change the amount or the temperature of the two compound, respectively. To calculate the ratio, you can use XRD and TEM-EDX.

Shalu Pathak

Thank you all for your suggestions.

@ Jianfeng Ge

Could you please give more explanation how Te rich affect the flux ratio?

and how to adjust Bi/Sb flux ratio?

Sorry I am new in this field so I do not have much knowledge.

Thanks

Dear Jianfeng Ge,

Thank you very much for your explanation.

These flux ratios, I know by the literature survey.

Different people use slightly different flux ratio.

I have grown Bi2Te3 and Sb2Te3 with use of Si (111) substrate.

but the thing is it is difficult for me to adjust Bi and Sb flux ratio in (BiSb)2Te3.