Помогите, пожалуйста, с доступом к работам:
1. Tunable Excitation Polarized Upconversion Luminescence and Reconfigurable Double Anti-Counterfeiting from Er3+ Doped Single Nanorods
- DOI:
http://dx.doi.org/10.1002/adom.202301126
2. Photochromism-modulated reversible dual-modal luminescence of CaWO4:Bi3+/Er3+ for advanced anti-counterfeiting application
- DOI:
http://dx.doi.org/10.1007/s10853-024-10289-0
Заранее спасибо!