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Fujinuma, K.; Takegami, D.; Melendez-Sans, A.; Yoshimura, M.; Tsuei, K.-D.; Higashinaka, R.; Matsuda, T. D.; Aoki, Y.; Hedo, M.; Ōnuki, Y. et al.; Tjeng, L. H.; Mizokawa, T.: Effect of S 3p and Se 4p holes on charge fluctuations in pyrite-type CuS₂ and CuSe₂ revealed by hard x-ray photoemission spectroscopy. Physical Review B 111 (11), 115147, pp. 1 - 7 (2025)

Oudah, M.; Takegami, D.; Kitao, S.; Lado, J. L.; Meléndez-Sans, A.; Christovam, D. S.; Yoshimura, M.; Tsuei, K.-D.; McNally, G.; Isobe, M. et al.; Küster, K.; Seto, M.; Keimer, B.; Bonn, D. A.; Tjeng, L. H.; Sawatzky, G.; Takagi, H.: Charge-entropy-stabilized selenide Ag_xSn_1−xSe. Communications Materials 6, 58, pp. 1 - 8 (2025)

Bandyopadhyay, A.; Lee, S.; Adroja, D. T.; Lees, M. R.; Stenning, G. B. G.; Aich, P.; Tortora, L.; Meneghini, C.; Cibin, G.; Berlie, A. et al.; Saha, R. A.; Takegami, D.; Meléndez-Sans, A.; Poelchen, G.; Yoshimura, M.; Tsuei, K. D.; Hu, Z.; Chan, T.-S.; Chattopadhyay, S.; Thakur, G. S.; Choi, K.-Y.: Gapless dynamic magnetic ground state in the charge-gapped trimer iridate Ba₄NbIr₃ O₁₂. Physical Review Materials 8 (7), 074405, pp. 1 - 20 (2024)

Bandyopadhyay, A.; Lee, S.; Adroja, D. T.; Stenning, G. B. G.; Berlie, A.; Lees, M. R.; Saha, R. A.; Takegami, D.; Meléndez-Sans, A.; Poelchen, G. et al.; Yoshimura, M.; Tsuei, K. D.; Hu, Z.; Kao, C.-W.; Huang, Y.-C.; Chan, T.-S.; Choi, K.-Y.: Quantum spin liquid ground state in the trimer rhodate Ba₄NbRh₃O₁₂. Physical Review B 109 (18), 184403, pp. 1 - 16 (2024)

Christovam, D. S.; Ferreira-Carvalho, M.; Marino, A.; Sundermann, M.; Takegami, D.; Melendez-Sans, A.; Tsuei, K.D.; Hu, Z.; Rößler, S.; Valvidares, M. et al.; Haverkort, M.W.; Liu, Y.; Bauer, E. D.; Tjeng, L. H.; Zwicknagl, G.; Severing, A.: Spectroscopic Evidence of Kondo-Induced Quasiquartet in CeRh₂As₂. Physical Review Letters 132 (4), 046401, pp. 1 - 7 (2024)

Fujinuma, K.; Takegami, D.; Higo, T.; Melendez-Sans, A.; Poelchen, G.; Yoshimura, M.; Tsuei, K.-D.; Nakatsuji, S.; Tjeng, L. H.; Mizokawa, T.: Bulk Mott gap and S 3s/3p spectral distribution in pyrite-Type NiS₂ revealed by hard x-ray photoemission spectroscopy. Physical Review B 110 (12), 125136, pp. 1 - 7 (2024)

Meléndez-Sans, A.; Pereira, V. M.; Chang, C. F.; Kuo, C.-Y.; Chen, C. T.; Tjeng, L. H.; Altendorf, S. G.: Influence of nitrogen stoichiometry and the role of Sm 5d states in SmN thin films. Physical Review B 110 (4), 045120, pp. 1 - 9 (2024)

Nakamura, R.; Takegami, D.; Fujinuma, K.; Nakamura, M.; Ferreira-Carvalho, M.; Melendez-Sans, A.; Yoshimura, M.; Tsuei, K.-D.; Haraguchi, Y.; Aruga Katori, H. et al.; Tjeng, L. H.; Mizokawa, T.: Charge fluctuations in a cluster Mott state: Hard x-ray photoemission study on a breathing kagome magnet Nb₃Cl₈. Physical Review B 110 (8), L081109, pp. 1 - 7 (2024)

Nakamura, R.; Takegami, D.; Melendez-Sans, A.; Tjeng, L. H.; Miyoshino, T.; Iwamoto, K.; Sekino, W.; Yoshimura, M.; Tsuei, K.-D.; Katsufuji, T. et al.; Mizokawa, T.: Interplay between strongly localized Eu 4f and weakly localized Nb 4d electrons in Eu₃Nb₅O₁₅. Physical Review B 109, 165148, pp. 165148-1 - 165148-6 (2024)

Takegami, D.; Nakamura, M.; Melendez-Sans, A.; Fujinuma, K.; Nakamura, R.; Yoshimura, M.; Tsuei, K.-D.; Tanaka, A.; Gen, M.; Tokunaga, Y. et al.; Ishiwata, S.; Mizokawa, T.: Negative charge-transfer energy in SrFeO₃ revisited with hard x-ray photoemission spectroscopy. Physical Review B 109, 235138, pp. 1 - 7 (2024)

Altendorf, S. G.; Takegami, D.; Meléndez-Sans, A.; Chang, C. F.; Yoshimura, M.; Tsuei, K. D.; Tanaka, A.; Schmidt, M.; Tjeng, L. H.: Electronic structure of the Fe²⁺ compound FeWO₄: A combined experimental and theoretical x-ray photoelectron spectroscopy study. Physical Review B 108 (8), 085119, pp. 1 - 6 (2023)

Antonyshyn, I.; Sichevych, O.; Burkhardt, U.; Barrios Jiménez, A. M.; Melendez-Sans, A.; Liao, Y.-F.; Tsuei, K.-D.; Kasinathan, D.; Takegami, D.; Ormeci, A.: Al-Pt intermetallic compounds: HAXPES study. Physical Chemistry Chemical Physics 25, pp. 31137 - 31145 (2023)

Miyoshino, T.; Takegami, D.; Meléndez-Sans, A.; Nakamura, R.; Yoshimura, M.; Tsuei, K.-D.; Takasu, K.; Okuda, T.; Tjeng, L. H.; Mizokawa, T.: Intra c-axis dimer hybridization and mixed valency in Mg-doped Ti₂O₃. Physical Review B 107 (11), 115145, pp. 1 - 6 (2023)

Pereira, V. M.; Meléndez-Sans, A.; Chang, C.-F.; Kuo, C.-Y.; Chen, C. T.; Tjeng, L. H.; Altendorf, S. G.: Epitaxial HoN thin films: An investigation of the structural, electronic, and magnetic properties. Physical Review Materials 7 (12), 124405, pp. 1 - 12 (2023)

Takegami, D.; Hu, Z.; Falke, J.; Meléndez-Sans, A.; Liu, C.-E.; Chang, C.-F.; Kuo, C.-Y.; Chen, C.-T.; Guo, H.; Komarek, A. et al.; Tanaka, A.; Hébert, S.; Tjeng, L. H.: Electronic structure of the high-spin Co⁴⁺ system Ba₂CoO₄. Zeitschrift für anorganische und allgemeine Chemie 649 (18), e202300077, pp. 1 - 7 (2023)

Nakamura, R.; Takegami, D.; Melendez-Sans, A.; Tjeng, L. H.; Okawa, M.; Miyoshino, T.; Saini, N. L.; Kitamura, M.; Shiga, D.; Kumigashira, H. et al.; Yoshimura, M.; Tsuei, K.-D.; Okamoto, Y.; Mizokawa, T.: Electronic structure reconstruction by trimer formation in CsW₂O₆ studied by x-ray photoelectron spectroscopy. Physical Review B (19), 195104, pp. 1 - 6 (2022)

Takegami, D.; Nicolaï, L.; Utsumi, Y.; Meléndez-Sans, A.; Balatsky, D. A.; Knight, C.-A.; Dalton, C.; Huang, S.-L.; Chen, C.-S.; Zhao, L. et al.; Komarek, A. C.; Liao, Y.-F.; Tsuei, K.-D.; Minár, J.; Tjeng, L. H.: Direct imaging of valence orbitals using hard x-ray photoelectron spectroscopy. Physical Review Research 4 (3), 033108, pp. 1 - 7 (2022)

Falke, J.; Chang, C. F.; Liu, C. E.; Takegami, D.; Melendez-Sans, A.; Chen, C.-S.; Zhao, L.; Komarek, A. C.; Kuo, C.-Y.; Chen, C. T. et al.; Tjeng, L. H.: Electronic structure of the metallic oxide ReO₃. Physical Review B 103 (11), 115125, pp. 1 - 6 (2021)

Guo, H.; Zhao, L.; Baenitz, M.; Fabrèges, X.; Gukasov, A.; Melendez-Sans, A.; Khomskii, D. I.; Tjeng, L. H.; Komarek, A. C.: Emergent 1/3 magnetization plateaus in pyroxene CoGeO₃. Physical Review Research 3, L032037, pp. 1 - 6 (2021)

Haw, S. C.; Hu, Z.; Lin, H. J.; Lee, J. M.; Ishii, H.; Hiraoka, N.; Meléndez-Sans, A.; Komarek, A. C.; Tjeng, L. H.; Chen, K. et al.; Luo, C.; Radu, F.; Chen, C. T.; Chen, J.-M.: Unusual mixed spin-state of Co³⁺ in the ground state of LaSrCoO₄: Combined high-pressure and high-temperature study. Journal of Alloys and Compounds 862, 158050, pp. 1 - 7 (2021)