1) Z. Zhao, M. Waqar, A.K. Jaiswal, A.R. Raghavan, D. Fuchs, J. Lin, T. Brezesinski, S.S. Bhattacharya, H. Hahn, X. Pan, R. Kruk, A. Sarkar*, Strained single crystal high entropy oxide manganite thin films, Applied Physics Letters, 125, 011902 (2024)

2) S. Schweidler, M. Botros, F. Strauss, Q. Wang, Y. Ma, L. Velasco, G. C. Marques, A. Sarkar, C. Kübel, H. Hahn, J. Aghassi-Hagmann, T. Brezesinski, B. Breitung, High-entropy materials for energy and electronic applications, Nature Review Materials, 9, 266–281 (2024)

3) C.M. Rost, A.R. Mazza, S.J. McCormack, K. Page, A. Sarkar, and T.Z. Ward, Era of entropy: Synthesis, structure, properties, and applications of high-entropy materials, Applied Physics Letters,125, 20 (2024)

4) Z. Zhao, A.K. Jaiswal, D. Wang, V. Wollersen, Z. Xiao, G. Pradhan, F. Celegato, P. Tiberto, M. Szymczak, J. Dabrowa, M. Waqar, D. Fuchs, X. Pan, H. Hahn, R. Kruk, A. Sarkar*, Strain-Driven Bidirectional Spin Orientation Control in Epitaxial High Entropy Oxide Films, Advanced Science, 202304038 (2023)

5) A. Sarkar*, D. Wang, M.V. Kante, L. Eiselt, V. Trouillet, G. Iankevich, Z. Zhao, S.S. Bhattacharya, H. Hahn, R. Kruk, High entropy approach to engineer strongly correlated functionalities in manganites, Advanced Materials 35, 2207436 (2023)

6) G. Iankevich, A. Sarkar, S. Katnagallu, M.R. Chellali, D. Wang, L. Velasco, R. Singh, T. Reisinger, R. Kruk, H. Hahn, A new class of clustermatrix nanocomposite made of fully miscible components, Advanced Materials 2208774 (2023)

7) Y. Xiu, A. Mauri, S. Dinda, Y. Pramudya, Z. Ding, T. Diemant, A. Sarkar, L. Wang, Z. Li, W. Wenzel, M. Fichtner, Z. Zhao-Karger, Anion Storage Chemistry of Organic Cathodes for High Energy and High Power Density Divalent Metal Batteries, Angewandte Chemie 62, e202212339 (2023)

8) L. Eiselt, R. Kruk, H. Hahn, A. Sarkar*, Hole doped high entropy ferrites: Structure and charge compensation mechanisms in (Gd0.2La0.22Nd0.2Sm0.2Y0.2)1−xCaxFeO3, International Journal of Applied Ceramic Technology 1–11 (2022)

9) A. Sarkar*, B. Eggert, R. Witte, J. Lill, L. Velasco, Q. Wang, J. Sonar, K. Ollefs, S. S. Bhattacharya, R. A. Brand, H. Wende, F. MF de Groot, O. Clemens, H. Hahn, R. Kruk, Comprehensive investigation of crystallographic, spin-electronic and magnetic structure of (Co0.2Cr0.2Fe0.2Mn0.2Ni0.2)3O4: Unraveling the suppression of configuration entropy in high entropy oxides, Acta Materialia 117581 (2022)

10)  J. Wang, S.L. Dreyer, K. Wang, Z. Ding, T. Diemant, G. Karkera, Y. Ma, A. Sarkar, B. Zhou, M.V. Gorbunov, A. Omar, D. Mikhailova, V. Presser, M. Fichtner, H. Hahn, T. Brezesinski, B. Breitung, Q. Wang, P2-type layered high-entropy oxides as sodium-ion cathode materials, Materials Futures 035104 (2022)

11)  A. Sarkar*, P. K. Mannava, L. Velasco, C. Das, B. Breitung, S. S. Bhattacharya, R. Kruk, H. Hahn, Determining role of individual cations in high entropy oxides: Structure and reversible tuning of optical properties, Scripta Materialia 207, 114273 (2022)

12)  S. P. Chilakalapudi, S. Katnagallu, A. Sarkar, Penghui Cao, W. Wenzel, H. Hahn, Energetically deposited cluster assembly of metallic glasses, Acta Materialia 118152 (2022)

13)  L. Su, H. Huyan, A. Sarkar, W. Gao, X. Yan, C. Addiego, R. Kruk, H. Hahn, X. Pan, Direct observation of elemental fluctuation and oxygen octahedral distortion-dependent charge distribution in high entropy oxides, Nature Communications 2358 (2022)

14)  L. Lin, K. Wang, A. Sarkar, C. Njel, G. Karkera, Q. Wang, R. Azmi, M. Fichtner, H. Hahn, S. Schweidler, B. Breitung, High–Entropy Sulfides as Electrode Materials for LiIon Batteries, Advanced Energy Materials 2103090 (2022)

15)  E. Tóthová, A. Düvel, R. Witte, R.A. Brand, A. Sarkar, R. Kruk, M. Senna, K.L. Da Silva, D. Menzel, V. Girman, M. Hegedüs, M. Balá, P. Makreski, S. Kubuki, M. Kauchová, J. Valíek, H. Hahn, V. Sepelák, A Unique Mechanochemical Redox Reaction Yielding Nanostructured Double Perovskite Sr2FeMoO6 With an Extraordinarily High Degree of Anti-Site Disorder, Frontiers in Chemistry, 846910 (2022)

16)  X. Ye, N. Fortunato, A. Sarkar, H. Geßwein, D. Wang, X. Chen, B. Eggert, H. Wende, R. A. Brand, H. Zhang, H. Hahn, R. Kruk, Creating A Ferromagnetic Ground State with Tc Above Room Temperature in A Paramagnetic Alloy Through Nonequilibrium Nanostructuring, Advanced Materials, 202108793 (2022)

17)  S. Wollstadt, Y. Ikeda, A. Sarkar, S. Vasala, C. Fasel, L. Alff, R. Kruk, B. Grabowski, O. Clemens, Structural and Magnetic Properties of BaFeO2.667 Synthesized by Oxidizing BaFeO2.5 Obtained via Nebulized Spray Pyrolysis, Inorganic Chemistry, 60, 15, 1092310933 (2021)

18)  K. Wang, Z.-G. Wu, G. Melinte, Z.-G. Yang, A. Sarkar, W. Hua, X. Mu, Z.-W. Yin, J.-T. Li, X.-D. Guo, B.-H. Zhong, Christian Kübel, Preparation of intergrown P/O-type biphasic layered oxides as high-performance cathodes for sodium ion batteries, Journal of Materials Chemistry A 9, 13151-13160 (2021)

19)  A. Sarkar*, R. Kruk, H. Hahn, Magnetic properties of high entropy oxides, Dalton Transactions 50, 1973-1982 (2021)

20)  P.A. Sukkurji, Y. Cui, S. Lee, K. Wang, R. Azmi, A. Sarkar, S. Indris, S.S. Bhattacharya, R. Kruk, H. Hahn, Q. Wang, M. Botros, B. Breitung, Mechanochemical synthesis of novel rutile-type high entropy fluorides for electrocatalysis, Journal of Materials Chemistry A 9, 8998-9009 (2021)

21)  J. Wang, Y. Cui, Q. Wang, K. Wang, X. Huang, D. Stenzel, A. Sarkar, R. Azmi, T. Bergfeldt, S. S. Bhattacharya, R. Kruk, H. Hahn, S. Schweidler, T. Brezesinski, B. Breitung, Lithium containing layered high entropy oxide structures, Scientific Reports 18430 (2020)

22)  A. Sarkar*, B. Breitung, H. Hahn, High entropy oxides: The role of entropy, enthalpy and synergy, Scripta Materialia 187, 4347 (2020), 300+ citations

23)  B. Cheng, H. Lou, A. Sarkar, Z. Zeng, F. Zhang, X. Chen, L. Tan, K. Glazyrin, H.-P. Liermann, J. Yan, L. Wang, R. Djenadic, H. Hahn, Q. Zeng, Lattice distortion and stability of (Co0.2Cu0.2Mg0.2Ni0.2Zn0.2)O high-entropy oxide under high pressure, Materials Today Advances 8, 100102 (2020)

24)  S.P. Singh, R. Witte, O. Clemens, A. Sarkar, L. Velasco, R. Kruk, H. Hahn, Magnetic Tb75Fe25 Nanoglass for Cryogenic Permanent Magnet Undulator, ACS Applied Nano Materials 3, 72817290 (2020)

25)  A. Sarkar*, B. Eggert, L. Velasco, X. Mu, J. Lill, K. Ollefs, S.S. Bhattacharya, H. Wende, R. Kruk, R.A. Brand, H. Hahn, Role of intermediate 4f states in tuning the band structure of high entropy oxides, APL Materials 8, 051111 (2020)

26)  L. Lin, K. Wang, R. Azmi, J. Wang, A. Sarkar, M. Botros, S. Najib, Y. Cui, D. Stenzel, P.A. Sukkurji, Q. Wang, H. Hahn, S. Schweidler, Simon, B. Breitung, Mechanochemical synthesis route to novel rock-salt-structured high-entropy oxides and oxyfluorides, Journal of Materials Science 55, 1687916889 (2020)

27)  R. Witte, A. Sarkar, L. Velasco, R. Kruk, R.A. Brand, B. Eggert, K. Ollefs, E. Weschke, H. Wende, H. Hahn, Magnetic properties of rare-earth and transition metal based perovskite type high entropy oxides, Journal of Applied Physics 127 185109 (2020)

28)  J. Wang, D. Stenzel, R. Azmi, S. Najib, K. Wang, J. Jeong, A. Sarkar, Q. Wang, P.A. Sukkurji, T. Bergfeldt, M. Botros, J. Maibach, H. Hahn, T. Brezesinski, B. Breitung, Spinel to rock-salt transformation in high entropy oxides with Li incorporation, Electrochem 1, 60-74 (2020)

29)  B. Breitung, Q.Wang, A. Schiele, Ð. Tripkovic, A. Sarkar, L. Velasco, D.Wang, S.S. Bhattacharya, H. Hahn, T. Brezesinski, Gassing Behavior of High-Entropy Oxide Anode and Oxyfluoride Cathode Probed Using Differential Electrochemical Mass Spectrometry, Batteries & Supercaps 3, 4 (2020)

30)  B. Cheng, H. Lou, A. Sarkar, Z. Zeng, F. Zhang, X. Chen, L. Tan, V. Prakapenka, E. Greenberg, J. Wen, R. Djenadic, H. Hahn, Q. Zeng, Pressure-induced tuning of lattice distortion in a high-entropy oxide, Communications Chemistry 2, 114 (2019)

31)  Q. Wang, A. Sarkar, D. Wang, L. Velasco, R. Azmi, S. S. Bhattacharya, T. Bergfeldt, A. Düvel, P. Heitjans, T. Brezesinski, H. Hahn, B. Breitung, Multi-anionic and -cationic compounds: new high entropy materials for advanced Li-ion batteries, Energy & Environmental Science 12, 2433 (2019)

32)  A. Sarkar, Q. Wang, A. Schiele, M. R. Chellali, S. S. Bhattacharya, D. Wang, T. Brezesinski, H. Hahn, L. Velasco, B. Breitung, High–Entropy Oxides: Fundamental Aspects and Electrochemical Properties, Advanced Materials 31, 1806236 (2019), 1300+ citations

33)  R. Witte, A. Sarkar, R. Kruk, B. Eggert, R. Brand, H. Wende, H. Hahn, High-entropy oxides: An emerging prospect for magnetic rare-earth transition metal perovskites, Physical Review Materials 3, 034406 (2019)

34)  Q. Wang, A. Sarkar, Z. Li, Y. Lu, L. Velasco, S. S. Bhattacharya, T. Brezesinski, H. Hahn, B. Breitung, High entropy oxides as anode material for Li-ion battery applications: A practical approach, Electrochemistry Communications 100, 121 (2019)

35)  M. R. Chellali, A. Sarkar*, S. H. Nandam, S. S. Bhattacharya, B. Breitung, H. Hahn and L. Velasco, On the homogeneity of high entropy oxides: An investigation at the atomic scale, Scripta Materialia 166, 58 (2019)

36)  A. Sarkar, L. Velasco, D. Wang, Q. Wang, G. Talasila, L. de Biasi, C. Kübel, T. Brezesinski, S. S. Bhattacharya, H. Hahn and B. Breitung, High entropy oxides for reversible energy storage, Nature Communications 9, 3400 (2018), 1300+ citations

37)  A. Sarkar, R. Djenadic, D. Wang, C. Hein, R. Kautenburger, O. Clemens and H. Hahn, Rare earth and transition metal based entropy stabilised perovskite type oxides, Journal of the European Ceramic Society 9, 2318 (2018), 600+ citations

38)  A. Sarkar, C. Loho, L. Velasco, T. Thomas, S. S. Bhattacharya, H. Hahn and R. Djenadic, Multicomponent equiatomic rare earth oxides with a narrow band gap and associated praseodymium multivalency, Dalton Transactions, 46, 12167 (2017), 300+ citations

39)  R. Djenadic, A. Sarkar, O. Clemens, C. Loho, M. Botros, V. S. K Chakravadhanula, C. Kübel, S. S. Bhattacharya, A. S. Gandhi, and H. Hahn, Multicomponent equiatomic rare earth oxides, Materials Research Letters 5, 102 (2017), 400+ citations

40)  A. Sarkar, R. Djenadic, J. N. Usharani, K. Sanghvi, V. S. K Chakravadhanula, A. S. Gandhi, H. Hahn, S. S. Bhattacharya, Nanocrystalline multicomponent entropy stabilised transition metal oxides, Journal of the European Ceramic Society 37, 747 (2017), 400+ citations