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Electron and X-Ray Spectroscopy Techniques
Research Guide
What is Electron and X-Ray Spectroscopy Techniques?
Electron and X-Ray Spectroscopy Techniques are a family of experimental methods that use emitted, transmitted, or absorbed electrons and X-rays to determine a material’s elemental composition, chemical states, and electronic/structural properties, often with strong surface sensitivity.
The Electron and X-Ray Spectroscopy Techniques literature cluster contains 242,969 works focused on surface analysis and electron spectroscopy, including X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and electron energy-loss spectroscopy (EELS)."Handbook of X-Ray Photoelectron Spectroscopy" (1995) is a widely cited reference for XPS practice, while "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010) exemplifies state-resolved interpretation for technologically common materials.This cluster also includes quantitative and computational foundations that support spectroscopy interpretation, such as "<i>ATHENA</i>,<i>ARTEMIS</i>,<i>HEPHAESTUS</i>: data analysis for X-ray absorption spectroscopy using<i>IFEFFIT</i>" (2005) for X-ray absorption spectroscopy (XAS) workflows and "Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study" (1998) for modeling EELS with correlated-electron corrections.
Topic Hierarchy
Research Sub-Topics
X-ray Photoelectron Spectroscopy
This sub-topic advances XPS instrumentation, peak fitting, and chemical state analysis for surface composition. Researchers quantify elemental ratios and bonding in thin films and catalysts.
Scanning Electron Microscopy
Studies SEM imaging modes, resolution limits, and sample preparation for topography and morphology. Includes detector technologies and applications in fractography and biology.
Electron Inelastic Mean Free Paths
Researchers model and measure IMFP for quantitative XPS and AES depth profiling. Focuses on energy-dependent databases and predictive algorithms for electron transport.
Ambient Pressure Photoelectron Spectroscopy
Develops AP-XPS for operando studies of catalysis, electrochemistry, and liquids under realistic conditions. Studies address differential pumping and near-ambient pressure detectors.
Quantitative Surface Analysis
This area refines sensitivity factors, matrix effects, and multivariate analysis for XPS/AES quantification. Includes reference materials and uncertainty propagation in surface analytics.
Why It Matters
Electron and X-ray spectroscopies are practical tools for diagnosing surfaces, thin films, and nanomaterials where performance is controlled by chemistry within the topmost layers. For example, Biesinger et al. (2010) in "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010) provided a framework for distinguishing chemical states across Cr, Mn, Fe, Co, and Ni systems, which directly supports failure analysis and process control in corrosion science, catalysis, and oxide electronics where mixed oxidation states are common. In electron microscopy workflows, reliable sample preparation can determine whether nanoscale chemical mapping is meaningful: Reynolds (1963) in "THE USE OF LEAD CITRATE AT HIGH pH AS AN ELECTRON-OPAQUE STAIN IN ELECTRON MICROSCOPY" (1963) and Spurr (1969) in "A low-viscosity epoxy resin embedding medium for electron microscopy" (1969) address contrast generation and embedding for electron-based analysis, enabling interpretable microstructural/chemical results in biological and soft-matter specimens. On the modeling and interpretation side, Dudarev et al. (1998) in "Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study" (1998) linked EELS spectral features to electronic correlation effects in NiO, illustrating how spectroscopy can constrain materials theory for correlated oxides that are used as model systems in energy and electronic applications.
Reading Guide
Where to Start
Start with "Handbook of X-Ray Photoelectron Spectroscopy" (1995) because it functions as a practical entry point to XPS concepts, instrumentation conventions, and common analysis/reporting practices used across surface science.
Key Papers Explained
For XPS, "Handbook of X-Ray Photoelectron Spectroscopy" (1995) provides general practice, and Biesinger et al. (2010) in "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010) narrows that practice to chemical-state resolution in widely studied transition-metal systems. For XAS, Ravel and Newville (2005) in "<i>ATHENA</i>,<i>ARTEMIS</i>,<i>HEPHAESTUS</i>: data analysis for X-ray absorption spectroscopy using<i>IFEFFIT</i>" (2005) connects measurement to interpretable structural outputs via a standardized analysis toolchain. For electron spectroscopy theory, Dudarev et al. (1998) in "Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study" (1998) illustrates how electronic-structure corrections affect EELS interpretation in correlated materials. For electron-microscopy workflows that often accompany electron-based spectroscopy, Luft (1961) in "IMPROVEMENTS IN EPOXY RESIN EMBEDDING METHODS" (1961), Spurr (1969) in "A low-viscosity epoxy resin embedding medium for electron microscopy" (1969), and Reynolds (1963) in "THE USE OF LEAD CITRATE AT HIGH pH AS AN ELECTRON-OPAQUE STAIN IN ELECTRON MICROSCOPY" (1963) address preparation steps that control contrast and specimen integrity.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
A practical frontier is tighter integration of spectroscopy with computation and standardized data-reduction pipelines, combining tool-driven workflows such as "<i>ATHENA</i>,<i>ARTEMIS</i>,<i>HEPHAESTUS</i>: data analysis for X-ray absorption spectroscopy using<i>IFEFFIT</i>" (2005) with spectrum-to-theory comparisons like Dudarev et al. (1998) in "Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study" (1998). Another advanced direction is improving chemical-state specificity in complex, mixed-phase surfaces by extending the style of state-resolved reasoning used by Biesinger et al. (2010) in "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010) to broader chemistries and more heterogeneous materials.
Papers at a Glance
In the News
Montana State receives NSF grant for sophisticated X-ray ...
* University Communications * MSU News * # * Search by authors * Search by publication titles * Search by article titles Search Clear
News & Scientific Highlights | SwissFEL – Swiss X-ray ...
SwissFEL is a compact, high-brilliance, soft and hard X-ray Free Electron Laser (FEL) facility laser composed of two parallel beam lines seeded by a common linear accelerator (LINAC), and a two-bun...
Demonstration of an AI-driven workflow for dynamic x-ray spectroscopy
X-ray absorption near edge structure (XANES) spectroscopy is a powerful technique for characterizing the chemical state and symmetry of individual elements within materials, but requires collecting...
Bringing Discoveries to Light: Six Ways the Advanced Light ...
Unlike an optical microscope that uses visible light to visualize small objects, the ALS synchrotron uses X-ray, ultraviolet, and infrared light. This range of ultrabright light allows researchers ...
Shortest light pulse ever created captures ultrafast electron ...
A 19.2-attosecond soft X-ray pulse, the shortest and brightest ever produced, enables real-time observation of ultrafast electron dynamics at their natural timescales. This advance allows direct tr...
Code & Tools
**eXSpy** is a Python package extending the functionality for multi-dimensional data analysis provided by the HyperSpy library. It is aimed at help...
Larch is an open-source library and set of applications for processing and analyzing X-ray absorption and fluorescence spectroscopy data and X-ray ...
## About Data analysis tools for X-Ray, Neutron and Electron sciences ### Resources Readme ### License BSD-3-Clause license ### Contributing C...
Neutron and X-ray reflectometry analysis in Python. Documentation at https://refnx.readthedocs.io . ## About Neutron and X-ray reflectometry analys...
We think that the theoretical simulation of X-ray spectroscopy (XS) should be fast, affordable, and accessible to all researchers.
Recent Preprints
X-Ray Absorption and Emission Spectroscopy in ...
## 2\. X-Ray Spectroscopy Techniques ### 2.1. X-Ray Absorption Spectroscopy #### 2.1.1. Fundamental Principles of XAS
Electron Spectroscopy for Studying Chemical Bonding | Advances in X-Ray Analysis | Cambridge Core
with x-rays. If the incident radiation is monochromatic (e.g. an x-ray emission line) the spectrum of these electrons gives precise information about the energy states of the electrons in the sampl...
Electron Energy Loss Spectroscopy in the Electron Microscope
Within the last 30 years, electron energy loss spectroscopy (EELS) has become a standard analytical technique used in the transmission electron microscope to extract chemical and structural informa...
Photoemission spectroscopy
Angle-resolved photoemission spectroscopy (ARPES) has become the most prevalent electron spectroscopy in condensed matter physics after recent advances in energy and momentum resolution, and widesp...
(PDF) Energy-dispersive X-ray spectroscopy
commonly used technique for chemical characterisation and imaging. In this chapter we explain the generation and principles of detection of X-rays in electron microscopes. The in fl uence of working...
Latest Developments
Recent developments in electron and X-ray spectroscopy research include the creation of the shortest and brightest soft X-ray pulse ever produced at 19.2 attoseconds by ICFO, enabling ultrafast electron dynamics studies (phys.org), and advancements in AI-driven workflows for dynamic X-ray spectroscopy (nature.com). Additionally, progress in X-ray technology, including new optics, sources like XFELs, and imaging techniques driven by AI, continues to evolve (xopt.opicon.jp). The field is also integrating machine learning to enhance spectral characterization of X-ray pulses from free-electron lasers (nature.com), and coupling experiment with theory is pushing the frontiers of X-ray spectroscopy (natrevchem.com).
Sources
Frequently Asked Questions
What are Electron and X-Ray Spectroscopy Techniques used to measure in materials research?
Electron and X-ray spectroscopy techniques are used to measure elemental composition, chemical states, and electronic/structural information, often with strong sensitivity to surfaces and near-surface regions. "Handbook of X-Ray Photoelectron Spectroscopy" (1995) is a standard reference for XPS-based surface chemical analysis, and Biesinger et al. (2010) in "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010) exemplifies chemical-state resolution for common transition-metal systems.
How do researchers interpret chemical states in XPS for first-row transition metals?
A common approach is to fit and compare XPS core-level features using reference-informed assignments for metals, oxides, and hydroxides. Biesinger et al. (2010) in "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010) specifically targets Cr, Mn, Fe, Co, and Ni and is frequently used as a guide for separating overlapping chemical-state contributions.
How is X-ray absorption spectroscopy (XAS) data typically processed and analyzed?
XAS data processing commonly involves normalization, background subtraction, and model-based fitting of near-edge and extended fine structure. Ravel and Newville (2005) in "<i>ATHENA</i>,<i>ARTEMIS</i>,<i>HEPHAESTUS</i>: data analysis for X-ray absorption spectroscopy using<i>IFEFFIT</i>" (2005) presented a software suite built on IFEFFIT that formalizes these steps for routine XAS analysis.
Why do theoretical electronic-structure methods appear in spectroscopy papers?
Many spectroscopy observables depend on electronic structure, so theory is used to connect measured spectra to bonding, correlation, and local structure. Dudarev et al. (1998) in "Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study" (1998) showed that incorporating electron-correlation corrections (LSDA+U) improves the description of EELS spectra and related stability parameters in NiO.
Which sample-preparation methods are foundational for electron microscopy-based spectroscopy and imaging?
Embedding and staining methods are foundational because they control sectioning quality and image/signal contrast. Reynolds (1963) in "THE USE OF LEAD CITRATE AT HIGH pH AS AN ELECTRON-OPAQUE STAIN IN ELECTRON MICROSCOPY" (1963) describes a lead-citrate staining approach, while Luft (1961) in "IMPROVEMENTS IN EPOXY RESIN EMBEDDING METHODS" (1961) and Spurr (1969) in "A low-viscosity epoxy resin embedding medium for electron microscopy" (1969) address robust epoxy embedding for reproducible electron microscopy workflows.
Which references are commonly used for practical XPS setup, quantification, and reporting?
A widely cited practical reference is "Handbook of X-Ray Photoelectron Spectroscopy" (1995), which is often used for instrument operation conventions and reporting norms in XPS studies. For chemical-state assignment in transition-metal systems, Biesinger et al. (2010) in "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010) is commonly consulted alongside general XPS guidance.
Open Research Questions
- ? How can XPS chemical-state assignments for first-row transition metals be made more transferable across instruments and analysis protocols while remaining consistent with the state-resolved approach in "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010)?
- ? How should many-body electronic correlation be incorporated into predictive simulations of EELS across correlated oxides beyond the NiO case analyzed in "Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study" (1998)?
- ? Which aspects of XAS preprocessing and fitting workflows, as operationalized in "<i>ATHENA</i>,<i>ARTEMIS</i>,<i>HEPHAESTUS</i>: data analysis for X-ray absorption spectroscopy using<i>IFEFFIT</i>" (2005), most strongly control uncertainty and reproducibility in derived structural parameters?
- ? How do preparation-induced artifacts from embedding and staining protocols (e.g., "IMPROVEMENTS IN EPOXY RESIN EMBEDDING METHODS" (1961), "A low-viscosity epoxy resin embedding medium for electron microscopy" (1969), and "THE USE OF LEAD CITRATE AT HIGH pH AS AN ELECTRON-OPAQUE STAIN IN ELECTRON MICROSCOPY" (1963)) bias quantitative electron-based spectroscopy signals, and how can those biases be measured and corrected?
Recent Trends
Across 242,969 works in this cluster, highly cited contributions emphasize (i) practical XPS guidance ("Handbook of X-Ray Photoelectron Spectroscopy" ), (ii) chemical-state-resolved XPS interpretation for technologically common transition metals (Biesinger et al. (2010) in "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (2010)), (iii) standardized, software-supported XAS analysis (Ravel and Newville (2005) in "<i>ATHENA</i>,<i>ARTEMIS</i>,<i>HEPHAESTUS</i>: data analysis for X-ray absorption spectroscopy using<i>IFEFFIT</i>" (2005)), and (iv) closer coupling of electron spectroscopy to electronic-structure theory for correlated materials (Dudarev et al. (1998) in "Electron-energy-loss spectra and the structural stability of nickel oxide: An LSDA+U study" (1998)).
1995The most-cited foundations in the list also show that enabling methods—especially specimen preparation for electron microscopy—remain central to reliable electron-based measurements, as reflected by Reynolds , Luft (1961), and Spurr (1969).
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