<affiliation wicri:level="4"><nlm:affiliation>National Lab of Superhard Materials, Jilin University, Changchun 130012, China.</nlm:affiliation>
<country xml:lang="fr">République populaire de Chine</country>
<wicri:regionArea>National Lab of Superhard Materials, Jilin University, Changchun 130012</wicri:regionArea>
<placeName><settlement type="city">Changchun</settlement>
<region type="province">Jilin</region>
<region type="groupement">Dongbei</region>
<settlement type="city">Changchun</settlement>
</placeName>
<orgName type="university">Université de Jilin</orgName>
</affiliation>