Peer-reviewed articles and preprints, some invited talks. ★ marks equal contribution.
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Superconducting phase diagram of multilayer square-planar nickelates
G. A. Pan, D. F. Segedin, S. F. R. TenHuisen, L. Bhatt, H. LaBollita, A. Y. Jiang, Q. Song, A. B. Turkiewicz, D. R. Baykusheva, A. Nag, S. Agrestini, K. Zhou, J. Pelliciari, V. Bisogni, H. Zhou, M. P. M. Dean, H. Paik, D. A. Muller, L. F. Kourkoutis, C. M. Brooks, M. Mitrano, A. S. Botana, B. H. Goodge, J. A. Mundy
Science 392, 6805 1390 (2026)
arXiv
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Bobkingite, a new coupled sawtooth chain platform
P. P. Stravropoulos, A. Razpopov, H. LaBollita, M. R. Norman, A. S. Botana, R. Valenti
Phys. Rev. Letters (under review)
arXiv
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Squeezing dynamical singlets in bilayer nickelates
H. LaBollita, A. J. Millis, and O. Gingras
Phys. Rev. Letters (under review)
arXiv
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Electron vs. hole doping in infinite-layer nickelates: electronic strucutre, magnetism, and correlations
E. Day-Roberts, F. Bernardini, H. LaBollita, Y. Zhao, A. Cano and A. S. Botana
Phys. Rev. B (under review)
arXiv
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Electronic layer decoupling driven by density-wave order in La₄Ni₃O₁₀
Z. Guan, S. F. R. TenHuisen, M. Tepie, Y. Zhao, E. Day-Roberts, H. LaBollita, A. M. Young, X. Cui, X. Chen, F. Glerean, C. A. Guia, M. P. M. Dean, P. Kim, J. F. Mitchell, A. S. Botana, C. C. Homes, and M. Mitrano
Phys. Rev. Letters 136, 216501 (2026)
arXiv
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Electron-Phonon Origins of Unconventional Resistivity in Moderately Correlated Perovskite Oxides
J. Coulter, F. B. Kugler, H. LaBollita, A. Georges, C. E. Dreyer
Phys. Rev. Letters 136, 216301 (2026)
arXiv
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Role of correlations in Ruddlesden-Popper bilayer nickelates under compressive strain
L. Bleys, N. Corkill, Y. Zhao, G. L. Pascut, H. LaBollita, A. S. Botana, and K. F. Quader
Communication Physics (under review)
arXiv
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Lattice-charge coupling in a trilayer nickelate with intertwined density wave order
X. Jia, Y. Shen, H. LaBollita, X. Chen, J. Zhang, Y. Li, H. Zhao, M. G. Kanatzidis, M. Krogstad, H. Zheng, A. Said, A. Alatas, S. Rosenkranz, D. Phelan, M. P. M. Dean, M. R. Norman, J. F. Mitchell, A. S. Botana, and Y. Cao
Phys. Rev. X 16, 011013 (2026)
arXiv
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Topotactic oxidation of Ruddlesden-Popper nickelates reveals new structural family: oxygen-intercalated layered perovskites
D. F. Segedin, J. Kim, H. LaBollita, N. K. Taylor, K. Baek, S. H. Sung, A B. Turkiewicz, G. A. Pan, A. Y. Jiang, M. Bambrick-Santoyo, T. Schwaigert, C. K. Kim, A. Tenneti, A. J. Grutter, S. Muramoto, A. T. N'Diaye, I. El Baggari, D. A. Walko, H. Zhou, C. M. Brooks, A. S. Botana, D. G. Schlom, J. A. Mundy
J. Am. Chem. Soc. 148, 5873, 2026
arXiv
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Unconventional polaronic ground state in superconducting LiTi₂O₄
Z. Hasan, G. A. Pan, H. LaBollita, A. Kaczmarek, S. H. Sung, S. Sharma, P. P. Balakrishnan, E. Mercer, V. Bhartiya, Z. Salman, T. Prokscha, A. Suter, A. J. Grutter, M. Garcia-Fernandez, K. Zhou, J. Pelliciari, V. Bisogni, I. El Baggari, D. G. Schlom, M. R. Barone, C. M. Brooks, K. C. Nowack, A. S. Botana, B. D. Faeth, A. de la Torre, and J. A. Mundy
Nature Communications, 17, 1303 (2026)
arXiv
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Correlated electronic structure of the alternating single-layer bilayer nickelate La₅Ni₃O₁₁
H. LaBollita and A. S. Botana
Phys. Rev. B, 113, 115133 (2026)
arXiv
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Low-temperature transport in high-conductivity correlated metals: A density-functional plus dynamical mean-field study of cubic perovskites
H. LaBollita★, J. Lee-Hand★, F. B. Kugler★, L. Van Munoz, J. Kaye, S. Beck, A. Hampel, A. Georges, C. E. Dreyer
Phys. Rev. B. 113, 085125 (2026)equal contribution
arXiv
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Fermi-Liquid T² Resistivity: Dynamical Mean-Field Theory Meets Experiment
F. B. Kugler★,J. Lee-Hand★, H. LaBollita★, L. Van Munoz, J. Kaye, S. Beck, A. Hampel, A. Georges, C. E. Dreyer
Phys. Rev. B 113, L081105 (2026)equal contribution
arXiv
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Stabilizing the calculation of the self-energy in dynamical mean-field theory using constrained residual minimization
H. LaBollita, J. Kaye, and A. Hampel
Phys. Rev. B 111, 115155 (2025)
arXiv
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Assessing spin-density wave formation in La₃Ni₂O₇ from electronic structure calculations
H. LaBollita, V. Pardo, M. R. Norman, and A. S. Botana
Phys. Rev Materials 8, L111801 (2024)
arXiv
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Electronic correlations, layer distinction, and electron doping in the alternating single-layer trilayer La₃Ni₂O₇ polymorph
H. LaBollita, S. Bag, J. Kapeghian, and A. S. Botana
Phys. Rev B 110, 155145 (2024)
arXiv
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Pressure effects on the electronic structure and magnetic properties of infinite-layer nickelates
S. Sharma, M. C. Jung, H. LaBollita, and A. S. Botana
Phys. Rev. B 110, 155156 (2024)
arXiv
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Electronic structure and magnetic tendences of trilayer La₄Ni₃O₁₀ under pressure: structural transition, molecular orbitals, and layer differentiation
H. LaBollita, J. Kapeghian, M. R. Norman, and A. S. Botana
Phys. Rev. B 109, 195151 (2024)
arXiv
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Electronic band structure of a superconducting nickelate probed by the seebeck coefficient in the disordered limit
G. Grissonnanche, G. A. Pan, H. LaBollita, D. Ferenc Segedin, Q. Song, H. Paik, C. M. Brooks, A. S. Botana, J. A. Mundy, and B. J. Ramshaw
Phys. Rev. X 14, 041021 (2024)
arXiv
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Capping effects on spin and charge excitations in parent and superconducting Nd₁₋xSrxNiO₂
S. Fan, H. LaBollita, Q. Gao, N. Khan, Y. Gu, T. Kim, J. Li, V. Bhartiya, Y. Li, W. Sun, J. Yang, S. Yan, A. Barbour, X. Zhou, A. Cano, F. Bernardini, Y. Nie, Z. Zhub, V. Bisogni, C. Mazzoli, A. S. Botana, and J. Pelliciari
Phys. Rev. Lett 133, 206501 (2024)
arXiv
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Hydrogen is not necessary for superconductivity in topotactically reduced nickelates
P. P. Balakrishnan, D. Ferenc Segedin, L. E. Chow, P. Quarterman, S. Muramoto, M. Surendran, R. K. Patel, H. LaBollita, G. A. Pan, Q. Song, Y. Zhang, I. E. Baggari, K. Jagadish, Y. Shao, B. H. Goodge, L. F. Kourkoutis, S. Middey, A. S. Botana, J. Ravichandran, A. Ariando, J. A. Mundy, and A. J. Grutter
Nature Communications 15, 7387 (2024)
arXiv
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Polymorphism in Ruddlesden-Popper La₃Ni₂O₇: Discovery of Hidden Phase with Distinctive Layer Stacking
X. Chen, J. Zhang, A. S. Thind, S. Sharma, H. LaBollita, G. Peterson, H. Zheng, D. P. Phelan, A. S. Botana, R. F. Klie, and J. F. Mitchell
J. Am. Chem. Soc. 146, 3640
arXiv
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Conductivity of infinite-layer NdNiO₂ as a probe of spectator bands
H. LaBollita, A. Hampel, J. Karp, A. S. Botana, and A. J. Millis
Phys. Rev. B 107, 205155 (2023)
arXiv
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Limits to the strain engineering of layered-square planar nickelate thin films
D. Ferenc Segedin, B. H. Goodge, G. A. Pan, Q. Song, H. LaBollita, M. Jung, H. El-Sherif, S. Doyle, A. Turkiewicz, N. K. Taylor, J. A. Mason, A. T. N'Diaye, H. Paik, I. E. Baggari, A. S. Botana, L. F. Kourkoutis, C. M. Brooks, and J. A. Mundy
Nature Communications 14, 1468 (2023)
arXiv
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Orbital polarization, charge transfer, and fluorescence in reduced valence nickelates
M. R. Norman, A. S. Botana, J. Karp, A. Hampel, H. LaBollita, A. J. Millis, G. Fabbris, Y. Shen, and M. P. M. Dean
Phys. Rev. B 107, 165124 (2023)
arXiv
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Antiferromagnetic metal phase in an electron doped rare earth nickelate
Q. Song, S. Doyle, G. A. Pan, I. E. Baggari, D. Ferenc Segedin, D. C. Carrizales, J. Nordlander, C. Tzscaschel, J. R. Ehrets, Z. Hasan, H. El-Sherif, J. Krishna, C. Hanson, H. LaBollita, A. Bostwick, C. Jozwiak, E. Rotenberg, S. Xu, A. Lanzara, A. N'Diaye, C. A. Heikes, Y. Liu, H. Paik, C. M. Brooks, B. Pamuk, J. T. Heron, P. Shafer, W. D. Ratcliff, A. S. Botana, L. Moreschini, and J. A. Mundy
Nature Physics 19 522-528 (2023)
arXiv
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Many-body electronic structure of d⁹⁻δ nickelates
H. LaBollita, M. Jung, and A. S. Botana
Phys. Rev. B 106, 115132 (2022)
arXiv
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Antiferromagnetic insulating state in layered nickelates at half filling
M. Jung, H. LaBollita, V. Pardo, and A. S. Botana
Scientifc Reports 12, 17864 (2022)
arXiv
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Visualizing the out-of-plane electronic correlations in an intercalated transition metal dichalcogenide
X. Xiang★, H. LaBollita★, Z. Cheng, H. Bhandari, T. A. Cochran, J. Yin, M. S. Hossain, I. Belopolski, Q. Zhang, Y. Jiang, N. Shumiya, D. Multer, M. Liskevich, D. A. Usanov, Y. Dang, V. N. Strocov, A. V. Davydov, N. J. Ghimire, A. S. Botana, and M. Z. Hasan
Phys. Rev. B 105, L121107 (2022)equal contribution
arXiv
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Correlated electronic structure of a quintuple-layer nickelate
H. LaBollita and A. S. Botana
Phys. Rev. B 105 085118 (2022)
arXiv
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Superconductivity in a quintuple-layer square-planar nickelate
G. A. Pan, D. Ferenc Segedin, H. LaBollita, Q. Song, E. M. Nica, B. H. Goodge, A. T. Pierce, S. Doyle, S. Novakov, D. C. Carrizales, A. T. N'Diaye, P. Shafter, H. Paik, J. T. Heron, J. A. Mason, A. Yacoby, L. F. Kourkoutis, O. Erten, C. M. Brooks, A. S. Botana, and J. A. Mundy
Nature Materials 21, 160-164 (2022)
arXiv
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Tuning the Van Hove singularities in AV₃Sb₅ (A = K, Rb, Cs) via pressure and doping
H. LaBollita and A. S. Botana
Phys. Rev. B 104, 205129 (2021)
arXiv
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Moiré skyrmions and chiral magnetic phases in twisted CrX₃ (X = I, Br, Cl) bilayers
M. Akram★, H. LaBollita★, D. Dey, J. Kapeghian, A. S. Botana, and O. Erten
Nano Letters 21, 15, 6633-6639 (2021)equal contribution
arXiv
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Electronic structure and magnetic properties of higher-order nickelates: Laₙ₊₁NiₙO₂ₙ₊₂ (n=4-6)
H. LaBollita and A. S. Botana
Phys. Rev. B 104 035148 (2021)
arXiv
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Effects of Sr-doping on the electronic and spin-state properties of infinite-layer nickelates: Nature of holes
J. Krishna, H. LaBollita, A. O. Fumega, V. Pardo, and A. S. Botana
Phys. Rev. B 102, 224506 (2020)
arXiv