Nature CommunicationsValence-free open nanoparticle superlatticesBinay P. NayakWenjie WangPrapti KakkarHonghu ZhangZinnia MallickShan ZhouDmytro NykypanchukSurya K. MallapragadaAlex TravessetDavid Vaknin2026-01-17Full textDOI https://doi.org/10.1038/s41467-026-68316-4