Publications

Our Research
Nature, (2024)
Signatures of a surface spin–orbital chiral metal
F. Mazzola, W. Brzezicki, M.T. Mercaldo, A. Guarino, C. Bigi, J.A. Miwa, D. De Fazio, A. Crepaldi, J. Fujii, G. Rossi, P. Orgiani, S.K. Chaluvadi, S. Punathum Chalil, G. Panaccione, A. Jana, V. Polewczyk, I. Vobornik, C. Kim, F. Miletto-Granozio, R. Fittipaldi, C. Ortix, M. Cuoco & A. Vecchione
Involved NFFA technique:
ARPES and spin ARPES @ APE-LE
From our users
J. Appl. Phys., 135, 045303, (2024)
Epitaxial growth of AgCrSe2 thin films by molecular beam epitaxy
Y. Nanao, C. Bigi, A. Rajan, G. Vinai, D. Dagur, P.D.C. King
Involved NFFA technique:
XPS, XAS/XMCD @ APE-HE
Our Research
Commun. Mater., 4, 103, (2023)
Dynamics and resilience of the unconventional charge density wave in ScV6Sn6 bilayer kagome metal
M. Tuniz, A. Consiglio, D. Puntel, C. Bigi, S. Enzner, G. Pokharel, P. Orgiani, W. Bronsch, F. Parmigiani, V. Polewczyk, P.D.C. King, J.W. Wells, I. Zeljkovic, P. Carrara, G. Rossi, J. Fujii, I. Vobornik, S.D. Wilson, R. Thomale, T. Wehling, G. Sangiovanni, G. Panaccione, F. Cilento, D. Di Sante & F. Mazzola
Involved NFFA technique:
ARPES and spin ARPES @ APE-LE
From our users
Phys. Rev. B, 108, 054419, (2023)
Covalency, correlations, and interlayer interactions governing the magnetic and electronic structure of Mn3Si2Te6
C. Bigi, L. Qiao, C. Liu, P. Barone, M. Ciomaga Hatnean, G.-R. Siemann, B. Achinuq, D.A. Mayoh, G. Vinai, V. Polewczyk, D. Dagur, F. Mazzola, P. Bencok, T. Hesjedal, G. van der Laan, W. Ren, G. Balakrishnan, S. Picozzi, and P.D.C. King
From our users
J. Catal., 423, 10-18, (2023)
Silica-magnesium-titanium Ziegler–Natta catalysts. Part II. Properties of the active sites and fragmentation behaviour
J. Zarupski, A. Piovano, M. J. Werny, A. Martini, L. Braglia, P. Torelli, C. Hendriksen, N.H. Friederichs, F. Meirer, B.M. Weckhuysen, E. Groppo
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
From our users
ACS Appl. Mater. Interfaces, 15, 21, 26166–26174, (2023)
Investigating the High-Temperature Water/MgCl2 Interface through Ambient Pressure Soft X-ray Absorption Spectroscopy
F. Tavani, M. Busato, D. Veclani, L. Braglia, S. Mauri, P. Torelli, and P. D’Angelo
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
Our Research
Nat. Phys., 19, 1135–1142, (2023)
Flat band separation and robust spin Berry curvature in bilayer kagome metals
D. Di Sante, C. Bigi, P. Eck, S. Enzner, A. Consiglio, G. Pokharel, P. Carrara, P. Orgiani, V. Polewczyk, J. Fujii, P.D.C. King, I. Vobornik, G. Rossi, I. Zeljkovic, S.D. Wilson, R. Thomale, G. Sangiovanni, G. Panaccione & F. Mazzola
Involved NFFA technique:
ARPES and spin ARPES @ APE-LE
Our Research
Adv. Funct. Mat., 2301056, (2023)
Formation and Etching of the Insulating Sr-Rich V5+ Phase at the Metallic SrVO3 Surface Revealed by Operando XAS Spectroscopy Characterizations
V. Polewczyk, M. Mezhoud, M. Rath, O. El-Khaloufi, F. Bassato, A. Fouchet, W. Prellier, M. Frégnaux, D. Aureau, L. Braglia, G. Vinai, P. Torelli, U. Lüders
Our Research
J. Phys. Chem. Lett., 14, 5, 1334–1342, (2023)
Hydrogen Production Mechanism in Low-Temperature Methanol Decomposition Catalyzed by Ni3Sn4 Intermetallic Compound: A Combined Operando and Density Functional Theory Investigation
S. Mauri, G. D’Olimpio, C. Ghica, L. Braglia, C.-N. Kuo, M.C. Istrate, C.S. Lue, L. Ottaviano, T. Klimczuk, D.W. Boukhvalov, A. Politano, and P. Torelli
From our users
ACS Appl. Mater. Interfaces, (2022)
Caught while Dissolving: Revealing the Interfacial Solvation of the Mg2+ Ions on the MgO Surface
F. Tavani, M. Busato, L. Braglia, S. Mauri, P. Torelli, and P. D’Angelo
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
From our users
Mater. Today Chem., 26, 101011, (2022)
Synthesis of Ni-doped ceria nanoparticles and their unusual surface reduction in hydrogen
M. Barreau, D. Chen, J. Zhang, V. Papaefthimiou, C. Petit, D. Salusso, E. Borfecchia, S. Turczyniak-Surdacka, K. Sobczak, S. Mauri, L. Braglia, P. Torelli, S. Zafeiratos
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
From our users
J. Mater. Chem. C, (2022)
Lithium intercalation mechanisms and critical role of multi-doping in LiFexMn2-x-yTiyO4 as high-capacity cathode material for Lithium-ion batteries
D. Callegari, M. Coduri, M. Fracchia, P. Ghigna, L. Braglia, U. Anselmi-Tamburini and E. Quartarone
Involved NFFA techniques:
Ambient pressure XAS @ APE-HE, Glovebox
Our Research
ACS Omega, (2022)
Electronic Properties of Fully Strained La1–xSrxMnO3 Thin Films Grown by Molecular Beam Epitaxy (0.15 ≤ x ≤ 0.45)
S.K. Chaluvadi, V. Polewczyk, A.Y. Petrov, G. Vinai, L. Braglia, J.M. Diez, V. Pierron, P. Perna, L. Mechin, P. Torelli, and P. Orgiani
Involved NFFA techniques:
MOKE, PLD, XPS, XAS/XMCD @ APE-HE, XRD
Our Research
Adv. Sci., 2105114, (2022)
Evidence of a 2D Electron Gas in a Single-Unit-Cell of Anatase TiO2 (001)
A. Troglia, C. Bigi, I. Vobornik, J. Fujii, D. Knez, R. Ciancio, G. Dražić, M. Fuchs, D. Di Sante, G. Sangiovanni, G. Rossi, P. Orgiani, G. Panaccione
Our Research
Adv. Electron. Mater., 2101338, (2022)
Oxygen-Driven Metal–Insulator Transition in SrNbO3 Thin Films Probed by Infrared Spectroscopy
P. Di Pietro, C. Bigi, S.K. Chaluvadi, D. Knez, P. Rajak, R. Ciancio, J. Fujii, F. Mercuri, S. Lupi, G. Rossi, F. Borgatti, A. Perucchi, P. Orgiani
Involved NFFA techniques:
ARPES and spin ARPES @ APE-LE, PLD, STM/STS, XRD
Our Research
PNAS, 119(4), e2116575119, (2022)
Evidence of magnetism-induced topological protection in the axion insulator candidate EuSn2P2
G.M. Pierantozzi, A. De Vita, C. Bigi, X. Gui, H.-J. Tien, D. Mondal, F. Mazzola, J. Fujii, I. Vobornik, G. Vinai, A. Sala, C. Africh, T.-L. Lee, G. Rossi, T.-R. Chang, W. Xie, R.J. Cava and G. Panaccione
Involved NFFA technique:
ARPES and spin ARPES @ APE-LE
From our users
Phys. Chem. Chem. Phys., (2021)
Structural and mechanistic insights into low-temperature CO oxidation over a prototypical high entropy oxide by Cu L-edge operando soft X-ray Absorption Spectroscopy
P. D'Angelo, F. Tavani, M. Fracchia, A. Tofoni, L. Braglia, P. Torelli, P. Ghigna, S. Morandi, M. Manzoli and A. Jouve
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
From our users
Phys. Rev. B, 104, 134410, (2021)
Planar triangular S=3/2 magnet AgCrSe2: Magnetic frustration, short range correlations, and field-tuned anisotropic cycloidal magnetic order
M. Baenitz, M.M. Piva, S. Luther, J. Sichelschmidt, K.M. Ranjith, H. Dawczak-Dȩbicki, M.O. Ajeesh, S.-J. Kim, G. Siemann, C. Bigi, P. Manuel, D. Khalyavin, D.A. Sokolov, P. Mokhtari, H. Zhang, H. Yasuoka, P.D.C. King, G. Vinai, V. Polewczyk, P. Torelli, J. Wosnitza, U. Burkhardt, B. Schmidt, H. Rosner, S. Wirth, H. Kühne, M. Nicklas, and M. Schmidt
Involved NFFA technique:
XPS, XAS/XMCD @ APE-HE
Our Research
J. Phys. Chem. Lett., 12, 9182–9187, (2021)
Catching the Reversible Formation and Reactivity of Surface Defective Sites in Metal–Organic Frameworks: An Operando Ambient Pressure-NEXAFS Investigation
L. Braglia, F. Tavani, S. Mauri, R. Edla, D. Krizmancic, A. Tofoni, V. Colombo, P. D’Angelo, and P. Torelli
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
From our users
ACS Catal., 11, 9949–9961, (2021)
Electronic Properties of Ti Sites in Ziegler–Natta Catalysts
A. Piovano, M. Signorile, L. Braglia, P. Torelli, A. Martini, T. Wada, G. Takasao, T. Taniike, and E. Groppo
Involved NFFA techniques:
Ambient pressure XAS @ APE-HE, Glovebox
Our Research
J. Phys. Chem. C, 125, 14430–14437, (2021)
Evidence of Robust Half-Metallicity in Strained Manganite Films
G.M. Pierantozzi, G. Vinai, A.Y. Petrov, A. De Vita, F. Motti, V. Polewczyk, D. Mondal, T. Pincelli, R. Cucini, C. Bigi, I. Vobornik, J. Fujii, P. Torelli, F. Offi, G. Rossi, G. Panaccione, and F. Borgatti
Our Research
Phys. Rev. B, 103, 245142, (2021)
Measuring spin-polarized electronic states of quantum materials: 2H−NbSe2
C. Bigi, F. Mazzola, J. Fujii, I. Vobornik, G. Panaccione, and G. Rossi
Involved NFFA technique:
ARPES and spin ARPES @ APE-LE
From our users
ACS Catal., 11, 5369–5385, (2021)
Improving the Catalytic Performance of Cobalt for CO Preferential Oxidation by Stabilizing the Active Phase through Vanadium Promotion
L. Zhong, M. Barreau, V. Caps, V. Papaefthimiou, M. Haevecker, D. Teschner, W. Baaziz, E. Borfecchia, L. Braglia, and S. Zafeiratos
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
Our Research
J. Phys. Mater., 4, 032001, (2021)
Pulsed laser deposition of oxide and metallic thin films by means of Nd:YAG laser source operating at its 1st harmonics: recent approaches and advances
S.K. Chaluvadi, D. Mondal, C. Bigi, D. Knez, P. Rajak, R. Ciancio, J. Fujii, G. Panaccione, I. Vobornik, G. Rossi, P. Orgiani
Involved NFFA techniques:
ARPES and spin ARPES @ APE-LE, PLD, SEM, STM/STS
From our users
J. Mater. Chem. C, 9, 3058-3064, (2021)
Electronic properties of phases in the quasi-binary Bi2Se3-Bi2S3 system
Z.R. Benher, S. Gardonio, M. Fanetti, P. Moras, A.K. Kundu, Chiara Bigi and M. Valant
Involved NFFA technique:
ARPES and spin ARPES @ APE-LE
Our Research
Coatings, 11, 276, (2021)
Direct-ARPES and STM Investigation of FeSe Thin Film Growth by Nd:YAG Laser
S.K. Chaluvadi, D. Mondal, C. Bigi, J. Fujii, R. Adhikari, R. Ciancio, A. Bonanni, G. Panaccione, G. Rossi, I. Vobornik and P. Orgiani
From our users
ACS Appl. Mater. Interfaces, 13, 541–551, (2020)
Defect Engineering for Tuning the Photoresponse of Ceria-Based Solid Oxide Photoelectrochemical Cells
Y. Shi, L. Wang, Z. Wang, G. Vinai, L. Braglia, P. Torelli, C. Aruta, E. Traversa, W. Liu and N. Yang
Our Research
J. Electron Spectros. Relat. Phenomena, 245, 147016, (2020)
Predominance of z(2)-orbitals at the surface of both hole- and electron-doped manganites
C. Bigi, S.K. Chaluvadi, A. Galdi, L. Maritato, C. Aruta, R. Ciancio, J. Fujii, B. Gobaut, P. Torelli, I. Vobornik, G. Panaccione, G. Rossi, P. Orgiani
From our users
J. Synchrotron Radiat., 27, 1741-1752, (2020)
THORONDOR: a software for fast treatment and analysis of low‐energy XAS data
D.H. Simonne, A. Martini, M. Signorile, A. Piovano, L. Braglia, P. Torelli, E. Borfecchia, G. Ricchiardi
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
Our Research
Coatings, 10, 780, (2020)
Analysis of Metal-Insulator Crossover in Strained SrRuO3 Thin Films by X-ray Photoelectron Spectroscopy
A. Nardi, C. Bigi, S.K. Chaluvadi, R. Ciancio, J. Fujii, I. Vobornik, G. Panaccione, G. Rossi and P. Orgiani
From our users
Angew. Chem. Int. Ed., 59, 18145–18150, (2020)
Titanium defective sites in TS‐1: structural insights by combining spectroscopy and simulation
M. Signorile, L. Braglia, V. Crocellà, P. Torelli, E. Groppo, G. Ricchiardi, S. Bordiga, F. Bonino
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
From our users
J. Phys. Chem. C, 124, 14202-14212, (2020)
Understanding Solid-gas Reaction Mechanisms by Operando Soft X-ray Absorption Spectroscopy at Ambient Pressure
L. Braglia, M. Fracchia, P. Ghigna, A. Minguzzi, D. Meroni, R. Edla, M. Vandichel, E. Ahlberg, G. Cerrato, and P. Torelli
Involved NFFA techniques:
Ambient pressure XAS @ APE-HE, lab-XPS
From our users
Phys. Rev. B, 101, 205125, (2020)
Direct observation of the energy gain underpinning ferromagnetic superexchange in the electronic structure of CrGeTe3
M.D. Watson, I. Marković, F. Mazzola, A. Rajan, E.A. Morales, D.M. Burn, T. Hesjedal, G. van der Laan, S. Mukherjee, T.K. Kim, C. Bigi, I. Vobornik, M.C. Hatnean, G. Balakrishnan and P.D.C. King
Involved NFFA technique:
ARPES and spin ARPES @ APE-LE
From our users
J. Phys. Chem. Lett., 11, 3589-3593, (2020)
Stabilization by Configurational Entropy of the Cu(II) Active Site during CO Oxidation on Mg0.2Co0.2Ni0.2Cu0.2Zn0.2O
M. Fracchia, P. Ghigna, T. Pozzi, U. Anselmi Tamburini, V. Colombo, L. Braglia, P. Torelli
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
Our Research
Phys. Rev. Applied, 13, 044011, (2020)
Tuning the Optical Absorption of Anatase Thin Films Across the Visible-To-Near-Infrared Spectral Region
P. Orgiani, A. Perucchi, D. Knez, R. Ciancio, C. Bigi, S.K. Chaluvadi, J. Fujii, I. Vobornik, G. Panaccione, G. Rossi, S. Lupi, and P. Di Pietro
Our Research
Phys. Rev. Materials, 4, 025006, (2020)
Direct insight into the band structure of SrNbO3
C. Bigi, P. Orgiani, J. Slawinska, J. Fujii, J.T. Irvine, S. Picozzi, G. Panaccione, I. Vobornik, G. Rossi, D. Payne, and F. Borgatti
Involved NFFA techniques:
ARPES and spin ARPES @ APE-LE, DFT, PLD
Our Research
Phys. Rev. B, 101, 035404, (2020)
Proximity-induced ferromagnetism and chemical reactivity in few-layer VSe2 heterostructures
G. Vinai, C. Bigi, A. Rajan, M. D. Watson, T.-L. Lee, F. Mazzola, S. Modesti, S. Barua, M. Ciomaga Hatnean, G. Balakrishnan, P.D.C. King, P. Torelli, G. Rossi, and G. Panaccione
Involved NFFA technique:
XPS, XAS/XMCD @ APE-HE
From our users
J. Elec. Spectr. Rel. Phenom., 146902, (2019)
Operando photoelectron emission spectroscopy and microscopy at Elettra soft X-ray beamlines: From model to real functional systems
M. Amati, V. Bonanni, L. Braglia, F. Genuzio, L. Gregoratti, M. Kiskinova, A. Kolmakov, A. Locatelli, E. Magnano, A.A. Matruglio, T.O. Menteş, S. Nappini, P. Torelli, P. Zeller
Involved NFFA technique:
Ambient pressure XAS @ APE-HE
Our Research
J. Phys. Chem. C., 123, 24511-24519, (2019)
Study of Gaseous Interactions on Co3O4 Thin Film Coatings by Ambient Pressure Soft X-ray Absorption Spectroscopy
R. Edla, L. Braglia, V. Bonanni, A. Miotello, G. Rossi, P. Torelli
Involved NFFA techniques:
Ambient pressure XAS @ APE-HE, PLD
Our Research
Appl. Surf. Sci., 473, 190-193, (2019)
Robustness of topological states in Bi2Se3 thin film grown by Pulsed Laser Deposition on (0 0 1)-oriented SrTiO3 perovskite
C. Bigi, P. Orgiani, A. Nardi, A. Troglia, J. Fujii, G. Panaccione, I. Vobornik, G. Rossi
Involved NFFA techniques:
ARPES and spin ARPES @ APE-LE, PLD, STM/STS
NFFA Thesis
University of Milan PhD Thesis, (2019)
Understanding the electronic properties of quantum materials by means of photoemission with angular and spin resolution
C. Bigi (Supervisors: G. Rossi, I. Vobornik)
Our Research
Phys. Rev. Lett., 119, 026403, (2017)
Three-Dimensional Electronic Structure of the Type-II Weyl Semimetal WTe 2
D. Di Sante, P. Kumar Das, C. Bigi, Z. Ergönenc, N. Gürtler, J. A. Krieger, T. Schmitt, M.N. Ali, G. Rossi, R. Thomale, C. Franchini, S. Picozzi, J. Fujii, V.N. Strocov, G. Sangiovanni, I. Vobornik, R.J. Cava, and G. Panaccione
Involved NFFA techniques:
ARPES and spin ARPES @ APE-LE, DFT
Our Research
J. Synchrotron Rad., 24, 750–756, (2017)
Very efficient spin polarization analysis (VESPA): new exchange scattering-based setup for spin- resolved ARPES at APE-NFFA beamline at Elettra
C. Bigi, P. K. Das, D. Benedetti, F. Salvador, D. Krizmancic, R. Sergo, A. Martin, G. Panaccione, G. Rossi, J. Fujii and I. Vobornik
Involved NFFA technique:
ARPES and spin ARPES @ APE-LE
Our Research
ACS Appl. Mater. Interfaces, 9, 23099, (2017)
Role of Oxygen Deposition Pressure in the Formation of Ti Defect States in TiO2(001) Anatase Thin Films
B. Gobaut , P. Orgiani, A. Sambriet, E. di Gennaro, C. Aruta, F. Borgatti, V. Lollobrigida, D. Céolin, J.-P. Rueff, R. Ciancio, C. Bigi, P.K. Das, J. Fujii, D. Krizmancic, P. Torelli, I. Vobornik, G. Rossi, F. Miletto Granozio, U. Scotti di Uccio, G. Panaccione
Our Research
Appl. Phys. Lett., 110, 171601, (2017)
Structural and electronic properties of Bi2Se3 topological insulator thin films grown by pulsed laser deposition
P. Orgiani, C. Bigi, P. Kumar Das, J. Fujii, R. Ciancio, B. Gobaut, A. Galdi, C. Sacco, L. Maritato, P. Torelli, G. Panaccione, I. Vobornik, and G. Rossi