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Erna, Hastuti, Subhan, Achmad, Amonpattaratkit, P., Zainuri, M., Triwikantoro, T. and Suasmoro, S. (2022) Oxidation state, local structure distortion, and defect structure analysis of Cu doped α-MnO2 correlated to conductivity and dielectric properties. Heliyon, 8. pp. 1-13. ISSN 24058440

Hastuti, Erna ORCID: https://orcid.org/0000-0002-2521-9258, Subhan, Achmad, Amonpattaratkit, P., Zainuri, M. and Suasmoro, S. (2021) The effects of Fe-doping on MnO2: phase transitions, defect structures and its influence on electrical properties. RSC Advances, 11. pp. 7808-7823.

Hastuti, Erna ORCID: https://orcid.org/0000-0002-2521-9258, Subhan, Achmad and Puspitasari, Devi (2021) Synthesis of activated carbon derived from chicken feather for Li‑ion batteries through chemical and physical activation process. Materials for Renewable and Sustainable Energy, 10 (13). pp. 1-9. ISSN 2194-1467

Hastuti, Erna ORCID: https://orcid.org/0000-0002-2521-9258, Subhan, Achmad and Auwala, Almas (2020) Performance of carbon based on chicken feather with KOH activation as an anode for Li-ion batteries. Materials Today: Proceedings.

Subhan, Achmad, Oemry, Ferensa, Khusna, Siti Nailul and Hastuti, Erna (2018) Effects of activated carbon treatment on Li4Ti5O12 anode material synthesis for lithium-ion batteries. Ionics. pp. 1-10. ISSN 0947-7047