Boron-10 containing biocompatible nanostructures

1. A method, comprising:

providing a plurality of nanostructures comprising a base material comprising Fe 2 O 3 ;

exposing the plurality of nanostructures to a first material comprising trimethylaluminum (Al(CH 3 ) 3 ) (TMA) at a first deposition temperature in the range of 100° C. to 300° C.;

exposing the plurality of nanostructures to a second material at a second deposition temperature in the range of 100° C. to 300° C.; and

exposing the plurality of nanostructures to a Boron-10 ( 10 B) containing material comprising trimethyl borate (TMB) at a third deposition temperature in the range of 100° C. to 300° C. so as to form 10 B-metal oxide composite nanostructures comprising an atomic percent concentration of oxygen in the range of 50 atomic % to 60 atomic % and an atomic percentage of aluminum in the range of 25 atomic % to 40 atomic %.

2. The method of claim 1 , wherein the 10 B-metal oxide composite nanostructure comprises 10 B x —Al y O z —Fe 2 O 3 , where x>0, y>0 and z>0.

3. The method of claim 1 , wherein providing the plurality of nanostructures comprises:

exposing a plurality of nanoparticles to a first base material precursor at a fourth deposition temperature; and

exposing the plurality of nanoparticles to a second base material precursor at a fifth deposition temperature,

wherein a layer of the base material is deposited on each of the plurality of nanoparticles.

4. The method of claim 1 , wherein the 10 B-metal oxide composite nanostructures comprising an atomic percent concentration of boron in the range of 1 atomic % to 10 atomic %.