Confer

Chair: Blyth, J. Island

Recent progress in predicting the optical properties of defective and disordered systems

Galli, G.

Liquid-jet photoelectron spectroscopy of aqueous solutions: Electron scattering, electronic structure and work functions

Winter, B.

10:00 AM-10:30 AM

Break

Correlation/
Heavy Fermions

Chair: Galli, G. Island

Photoemission spectromicroscopy: correlating local chemistry and electronic structure in quantum materials

Vishik, I. (Invited)

Conformally invariant charge fluctuations in a strange metal

Abbamonte, P. (Invited)

Temperature dependent crossover behaviors in photoemission of strongly correlated f- and d-electron systems

Denlinger, J. D.

Electronic structure study of a uranium-based material using angle-resolved photoemission spectroscopy

Regmi, S.

Interfaces:
Structure & Chemistry

Chair: Winter, B. California

Evolution of enamel nanocrystal misorientation before and after diet changes

Gilbert, P. U. (Invited)

Prendergast, D. G. (Invited)

Using density functional theory to reveal many-body contributions to X-ray excited states

Chemical shifts in photoelectron spectroscopy of liquids

Tomanik, L.

Fingerprint of the dipole orientation of water molecules in Cu2+ aqueous solution probed by x-ray photoelectron spectroscopy

Carniato, S.

12:10 PM-02:00 PM

Lunch

01:15 PM-02:00 PM

Meet the Plenary Speakers

For Students/Postdocs/Early Career Scientists

Correlated
Materials I

Chair: Vishik, I. Island

MBE – ARPES on High-Tc Cuprates and Nickelates

Lu, D. (Invited)

Condensed matter dark states in a quantum system with two pairs of sublattices

Chung, Y.

Enhanced superconducting gap in the Hg-based trilayer cuprate superconductor revealed by micro-spot ARPES

Horio, M.

Anomalous normal state gap in an underdoped n-type cuprate

Xu, K.

Interfacial Energy
and Charge Transfer

Chair: Tomanik, L. California

Capturing Electrons in Motion: Time-Resolved X-ray Photoemission Spectroscopy for Unraveling Charge Transfer Dynamics

Roth, F. (Invited)

The impact of the oxide transport layer on the energy band alignment of the frontier orbitals in non-fullerene acceptor organic solar cells

Vannucchi, N.

Hard X-ray Core-hole Clock Spectroscopy of Adsorbates and Polymer Mixtures

Lindblad, A.

Unraveling charge and energy transfer dynamics between plasmonic matels and adsorbates

Bandaranayake, S.

03:30 PM-04:00 PM

Break

Correlated
Materials II

Chair: Xu, K. Island

Universal electronic structure of layered nickelates via oxygen-centered planar orbitals

Damascelli, A. (Invited)

Incommensurate Transverse Peierls Transition and chiral charge density wave

Miao, H. (Invited)

The Growing Charge-Density-Wave Order in CuTe Lightens and Speeds up Electrons

Chu, M.

Angle-resolved photoemission spectroscopy of Dirac nodal-line superconductor ZrSi$_{1-x}$P$_{x}$Se

Ideura, K.

Upcoming soft x-ray photoemission and scattering imaging beamline at NSLS-II

Li, J.

Interface Dynamics
and Chemistry

Chair: Roth, F. California

Monitoring Uptake, Release and Reaction of Gases at the Liquid-Vapor Interface

Buttersack, T. (Invited)

Abstract Title: Probing the electronic structure of the hydration shell of cations through non-local decay pathways

Dupuy, R. (Invited)

Limitations in Determining Oxidation States in Condensed Matter at the Sub-Nanometric Scale

Perco, D.

Tuning Au–TiO2 Photocatalytic Interfaces: Impact of Oxygen Vacancies and Gold Nanoparticle Size on Electronic Structure and Carrier Dynamics

Mora Perez, C.

Electronic Properties of Discrete NDI-T2 Oligomer Thin Films Using Photoelectron Spectroscopy and Low-energy Inverse Photoemission Spectroscopy

Ehm, A.

ALS Tour -
Reservations required

06:00 PM-08:00 PM

ALS Tour (Returns to Hotel or Downtown Berkeley)

Meet in Doubletree Lobby

Networking Dinner
- All Welcome

06:00 PM-07:30 PM

Networking Dinner - all welcome

Tuesday 7/22

07:30 AM-08:30 AM

Breakfast / Registration

Chair: Damascelli, A. Island

Gas-phase photochemistry studied by time-resolved photoelectron spectroscopy with free-electron lasers

Rolles, D.

Properties of Dirac Fermions in Kondo lattice systems

Maiti, K.

10:00 AM-10:30 AM

Break

Novel Electronic
Phenomena

Chair: Fischer, P. Island

Recent surprises in quantum materials among many legacies of Einstein

Bansil, A. (Invited)

Mixed-valence state in the dilute-impurity regime of La-substituted SmB6

Zonno, M. (Invited)

Interface-induced Weak Ferromagnetism in Altermagnetic MnTe Thin Films

Akiyama, R.

Nonrelativistic spin-splitting above and below the Fermi level in a g-wave altermagnet

Dale, N.

X-ray Multiple Ionization
and Nonlinear Spectroscopy

Chair: Rolles, D. California

Symmetry breaking in core-valence double ionization of allene

Feifel, R. (Invited)

Observation of Floquet-Bloch states in Dirac materials

Gedik, N. (Invited)

Nonlinear resonant core-excitations in molecules

Doumy, G.

Probing Molecular Chirality with Nonlinear X-ray Spectroscopies

Nam, Y.

12:10 PM-02:00 PM

Lunch

01:15 PM-02:00 PM

Meet the Plenary Speakers

For Students/Postdocs/Early Career Scientists

Spin and
Orbital Textures

Chair: Gedik, N. Island

Exploring Approaches to Probe Full Electronic Wave Functions in Solids via Photoemission

Plucinski, L. (Invited)

Observing the electronic response of a Mott insulator at a current-induced insulator-to-metal transition with transport-ARPES

Suen, C.

The puzzling case of Pt(111): Spin texture of the prototypical L-gap surface state

Donath, M.

Unraveling band structures of Rh2MnGa thin films by synchrotron radiation ARPES

Tomida, T.

Spin and Magnetism

Chair: Zonno, M. California

The Dirac Semimetal RuO2 - From Topology to Functionality

Moser, S. (Invited)

Dispersion of Spin Stripe Fluctuations in FeGd Measured by Megahertz X-ray Photon Correlation Spectroscopy

Shen, L.

Depth-Resolved Profile of the Interfacial Ferromagnetism in CaMnO3/CaRuO3 Superlattices

Klewe, C.

Spin-flip Determination in CrX3 (X = Cl, Br, and I) 2D Magnets using High-resolution X-ray Scattering

Pathiraja, C. S.

03:30 PM-04:00 PM

Break

Inelastic/Elastic Scat-
tering Spectroscopy

Chair: Guo, J. Island

Tridimensional magnetism in Superconducting Infinite-Layer PrNiO2 studied with Resonant Inelastic X-ray Scattering

Rosa, F.

Electronic Structure of LaxSr1−xFeO3−δ Probed by X-ray Absorption and Resonant Inelastic Soft X-ray Scattering

Wansorra, C.

A Precise Understanding of the Cathode Redox Mechanism in Commercial Lithium-Ion Batteries Through RIXS/sXAS Analysis

Lee, G.

2D Magnetism

Chair: Moser, S. California

Observation of flat bands, mirror-odd and mirror-even spin texture in epitaxially-strained RuO2

Zhang, Y.

Dispersive Hund’s Excitons in Magnetic van der Waals Materials

He, W.

Van Hove Singularities Induced Large Electron-boson Coupling in Cr2Ge2Te6

Guo, Y.

Industrial

Chair: Gessner, O. Island

05:00 PM-05:15 PM

Coleman, S.

Sigray’s Suite Of Lab-Based Spectroscopy Instruments

05:15 PM-05:30 PM

Farooq, S.

Revolutionizing Velocity Map Imaging with Timepix3 Technology

05:30 PM-07:00 PM

Posters I: CM Materials & Electronic States

Casual Dinner Served

Wednesday 7/23

07:30 AM-08:30 AM

Breakfast / Registration

Chair: Techert, S. Island

The rise of nonlinear X-ray spectroscopy

Matsuda, I.

Advancing attosecond science to liquids and chiral molecules

Wörner, H.

10:00 AM-10:30 AM

Break

Surfaces and
Interfaces

Chair: Foehlisch, A. Island

Recent APXPS development in Shanghai

Liu, Z. (Invited)

Electronic states of single unit cell thick perovskite materials

Kim, C. (Invited)

Low Secondary Electron Emission 2D Materials for Space Electronics Applications

Montero, I.

Probing electrochemical interfaces and solvation in calcium-ion battery using operando soft X-ray spectroscopy

Guo, J.

Attosecond and Femtosecond
Molecular Dynamics

Chair: Wörner, H. California

Probing Ultrafast Electron Dynamics using Attosecond X-ray Free Electron Lasers

Cryan, J. P. (Invited)

Discovery of New Excited State Pathways in Transition Metal Carbonyls using Ultrafast Core-Level Spectroscopy

Ramasesha, K. (Invited)

Probing H₂⁺ Formation in Strong-Field Ionization of Water Using Pump-Probe Spectroscopy and Covariance Mapping

Chuan, C.

Intramolecular particle exchange in the fragmentation of methanol upon valence photo double ionization

Kumar, S.

12:10 PM-12:25 PM

Conference Photo

12:25 PM-02:00 PM

Lunch

01:15 PM-02:00 PM

Meet the Plenary Speakers

For Students/Postdocs/Early Career Scientists

Surfaces and
Interfaces

Chair: Huttula, M. Island

Operando Spectroscopic View for Thin Film Gas Sensors

Toyoshima, R. (Invited)

Impact of 3D/2D Composition Ratios on the Crystallinity, Optical Properties, and Stability of Hybrid Perovskite Films via GIWAXS and Spectroscopic Measurements.

Omondi, C. A.

Real-Time Insights into Perovskite Evolution: In Situ GIWAXS and Optoelectronic Studies of PEACl-PPF Co-Passivated Cs0.1FA0.9PbI3 Thin Film Growth

Shatsala, M. E.

Surface state of Si(111)7×7 revisited: Atomic orbital characterization by Dual-beamline Photoelectron Momentum Microscopy Station at UVSOR

Matsui, F.

Fundamental Electronic Structures
and Ionization Dynamics

Chair: Cryan, J. P. California

Interferometric Probing of Photoionization Dynamics and Resonant Control of Photoemission Delays

Bharti, D. (Invited)

Highly-sensitive negative ion spectroscopy in an electrostatic ion beam trap

Schweikhard, L.

Molecular fingerprinting of f-electron molecules using a soft x-ray, HHG light Source

Bowlan, P.

Characterization of 4f^13 (2F(5/2)) 5d6s(1D) 1[5/2](5/2) state for Metastable Qubit Operations in Yb+ ions

Duraisamy Suganthi, M.

03:30 PM-04:00 PM

Break

Surfaces and
Interfaces

Chair: Kinoshita, T. Island

Activation Mechanisms of layered MoS2 Surfaces probed by time-based and time-resolved Electron Spectroscopy

Foehlisch, A. (Invited)

Electronic Structure of Solid Electrolyte Li6.5La3Zr1.5Ta0.5O12 Bulk Single Crystal Studied by Angle-resolved Photoemission Spectroscopy

Ito, T. (Invited)

Interfacial interaction between TaSe2 and bilayer graphene

Im, H.

Synthesis and Electronic Characterization of Nd$_{2-x}$Sr$_x$NiO$_4$ thin films ($0 \leq x \leq 1.4)$

Taylor, N. K.

Magnetic Spectroscopy Across Scales: Investigating Biological Energy Systems and Synthetic Magnetic Architectures

Jose, A.

Fundamental Dynamics
of Photocatalysis

Chair: Ramasesha, K. California

Temporal Electronic and Structural Landscapes in Catalytic Water-Splitting

Techert, S. (Invited)

Resonant Core Level Spectroscopies as Tools for Chemical Dynamics

Ingle, R. (Invited)

Ultrafast Charge Transfer Dynamics in a Plasmonic Photocatalyst Studied by Femtosecond Time-Resolved X-ray Photoelectron Spectroscopy

Donnellan, Z.

Investigation of the effects of nanoscale facets on catalytic activity in photo-driven nanosystems

Sahel-schackis, S.

Anisotropic Ultrafast Carrier Dynamics Observed in Bulk ReS2 Using Femtosecond Time- and Energy-Resolved Photoemission Electron Microscopy

Lim, J. W.

06:00 PM-07:00 PM

IAB Meeting

by invitation

07:30 PM-09:30 PM

Banquet Dinner

Thursday 7/24

07:30 AM-08:30 AM

Breakfast / Registration

Chair: Taleb, A. Island

Shifted protonation equilibrium of atmospheric acids and bases at the aqueous surface and impacts on cloud droplet chemistry and climate effects

Prisle, N. L.

Pseudogap and rotonic dispersion in a doped two-dimensional insulator

Kim, K.

10:00 AM-10:30 AM

Break

Operando and In
Situ Spectroscopy I

Chair: Eren, B. Island

Boscoboinik, J. A. (Invited)

Studying Nobles Gases with Photoelectron Spectroscopy

Revealing The Dynamic Surface State of Cu-based Single-Atom Alloys Using Ambient Pressure X-ray Photoelectron Spectroscopy

Waluyo, I. (Invited)

Soft X-ray Spectroscopy as a Neat Tool to Assign Electronic Structures of {FeNO} Complexes

Ha, Y.

Local and Symmetry-Resolved Electronic Structure of Liquid Dimethyl Sulfoxide from Resonant Inelastic Soft X‐ray Scattering

Weinhardt, L.

Electronic Control
in 2D Materials

Chair: Jozwiak, C. California

Insensitivity of charge ordering instability to screening in the excitonic insulator candidate TiSe2

King, P. (Invited)

Stimulated X-ray Emission Spectroscopy: Probing Chemical Structure and Attosecond Dynamics

Bergmann, U. (Invited)

Ultrafast dynamics in 2D materials and heterostructures visualized with time- and angleresolved photoemission

Allison, T. K.

Coexistence of Dirac and flat bands in 2D material beyond geometrical frustrated lattice

Kundu, A. K.

12:10 PM-02:00 PM

Lunch

01:15 PM-02:00 PM

Meet the Plenary Speakers

For Students/Postdocs/Early Career Scientists

Operando and In Situ
Spectroscopy II

Chair: Waluyo, I. Island

Simultaneous Electron Spectroscopy and X-Ray Scattering on Model Ceria Catalysts

Eren, B. (Invited)

Inherent Co-ion Influence on Electric Double Layer Structure and Electrochemical Reactivity in the Hydrogen Evolution Reaction

Anderson, S. R.

Operando HAXPES Study of Solid Electrolyte Interphase Formation in Anode-Free Solid-State Batteries with PEO:LiDFOB

Weng, Y.

In Situ and Operando Characterization of Electronic and Chemical States of WO₃ During Electrochemical Proton Intercalation.

Paudel, J. R.

2D Systems: Chirality
& Spin Order

Chair: King, P. California

Inoperando nanoARPES on van der Waals heterostructures

Katoch, J. (Invited)

Observation of the effect of surface chirality induced by chiral molecular overlayer on achiral substrates

Nishino, F.

Depth-dependent magnetic properties in the ferromagnetic van der Waals semiconductor VI3

Panaccione, G.

Flattened Band and AA+AB on bilayer graphene heterostructure

Ekahana, S.

03:30 PM-04:00 PM

Break

Dynamics at gas/liquid/
solid interfaces

Chair: Boscoboinik, J. A. Island

Insitu photoelectron spectroscopy reveals the structure of the electrical double layer

Jaugstetter, M.

Liquid-jet Velocity Map Imaging

Zhou, Q.

Scaling research: From photoelectron-ion coincidences to photocatalytic solar hydrogen production

Huttula, M.

Electronic States at
Buried Interfaces

Chair: Katoch, J. California

Interface electronic and magnetic states and band dispersion of insulator/ferromagnet heterostructures studied by hard x-ray angle-integrated and angle-resolved photoemission

Ueda, S.

Site-selective polar compensation of Mott electrons in a double perovskite heterointerface

Middey, S.

Direct Observation of a Thickness-Induced Mott Transition in LaTiO3 films

Choi, B.

Photoemission
Microscopy

Chair: Lim, J. W. Island

nanoXPEEM: Attention Based Nanoscale X-ray Photoemission Electron Microscopy

Aashwin, A.

Spectro-microscopy of surface magnetization in Fe3GeTe2

Sadowski, J. T.

An XPEEM Study of Voltage-induced Magnetic Domain Separation in a La0.7Sr0.3MnO3 Thin Film

Achinuq, B.

Crystalline
Electronic Structure

Chair: Ekahana, S. California

Translational symmetry-breaking in the quasiparticle band structure of organic semiconductor rubrene

Fukutani, K.

Observation of surface-state transport by Mn doping into a topological crystalline insulator SnTe thin film with strain

Fukushima, Y.

Unveiling a Unified Mechanism for Single-Photon Emission Across the III-Nitride

Cao, Y.

06:00 PM-07:30 PM

Posters II: AMO, Photonics, & Advanced Methodologies

Casual Dinner Served

07:00 PM-09:30 PM

IAB Dinner

Friday 7/25

07:30 AM-08:30 AM

Breakfast / Registration

Chair: Hussain, Z. Island

Time-Reversal Symmetry Breaking in Kagome Metals

Yi, M.

Excitons in space and time - a femtosecond momentum microscopy study

Reutzel, M.

10:00 AM-10:30 AM

Break

Theory

Chair: Kosugi, N. Island

Assessing nontrivial topology in Weyl semimetals by dichroic photoemission

Schusser, J. (Invited)

Topological and chiral phonons: theory, prediction and detection

Zhang, T. (Invited)

Electronic
Spectromicroscopy

Chair: Yi, M. California

Strong Inter-valley Electron-Phonon Coupling in Magic-Angle Twisted Bilayer Graphene

Chen, Y. (Invited)