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Topic · Radiation

X-ray Spectroscopy and Fluorescence Analysis

X-ray Spectroscopy and Fluorescence Analysis is a research topic within Radiation. Science Explorer counts 35k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers covers advancements in X-ray absorption spectroscopy, including theoretical calculations, high-resolution techniques, and applications to transition metal complexes. It explores topics such as core excitation, multiple scattering effects, and resonant inelastic scattering, with a focus on quantitative analysis and structural information of various materials.

  • X-ray Absorption
  • Spectroscopy
  • X-ray Emission
  • High Resolution
  • Theoretical Calculations
  • Transition Metals
  • Core Excitation
  • Multiple Scattering
  • Resonant Inelastic Scattering
  • Quantitative Analysis
Research works
35k
fractional, since 1950
In the world top 10%
3.4k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-16%
the tick is no change
Largest producer
United States
22% of the 10 largest, 2022-now
X-ray Spectroscopy and Fluorescence Analysis

Which countries lead X-ray Spectroscopy and Fluorescence Analysis research?

By volume, the United States and China publish the most (344 and 253 works in 2022-now).

By volume, 2022-now

  1. 1 United States 344 works
  2. 2 China 253 works
  3. 3 Germany 197 works
  4. 4 Japan 191 works
  5. 5 France 131 works
  6. 6 Russia 127 works
  7. 7 India 98 works
  8. 8 Italy 92 works
  9. 9 United Kingdom 87 works
  10. 10 Brazil 40 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 22.1%China: 16.2%Germany: 12.6%Japan: 12.2%6 others listed: 36.9%22%largest
United States344 · 22.1%China253 · 16.2%Germany197 · 12.6%Japan191 · 12.2%6 others listed575 · 36.9%

Shares of the rows listed above, not of the whole node.

Which institutions lead X-ray Spectroscopy and Fluorescence Analysis research?

By volume in 2022-now, Centre National de la Recherche Scientifique publishes the most X-ray Spectroscopy and Fluorescence Analysis research, followed by Chinese Academy of Sciences and Helmholtz Association of German Research Centres.

By volume, 2022-now

  1. 1 Centre National de la Recherche ScientifiqueFrance 68 works
  2. 2 Chinese Academy of SciencesChina 61 works
  3. 3 Helmholtz Association of German Research CentresGermany 56 works
  4. 4 Russian Academy of SciencesRussia 56 works
  5. 5 Stanford UniversityUnited States 21 works
  6. 6 Max Planck SocietyGermany 18 works
  7. 7 Department of Atomic EnergyIndia 16 works
  8. 8 Argonne National LaboratoryUnited States 16 works
  9. 9 Lawrence Berkeley National LaboratoryUnited States 15 works
  10. 10 RIKENJapan 15 works

Who are the leading researchers in X-ray Spectroscopy and Fluorescence Analysis?

The most-cited researchers publishing on X-ray Spectroscopy and Fluorescence Analysis include Zhong Lin Wang, John P. Perdew and M. Weber.

  1. 1 Zhong Lin Wang United States 491k citations
  2. 2 John P. Perdew United States 436k citations
  3. 3 M. Weber Israel 267k citations
  4. 4 Jens K. Nørskov Denmark 260k citations
  5. 5 P. Jackson France 230k citations
  6. 6 Donald G. Truhlar United States 230k citations
  7. 7 Takashi Taniguchi Japan 227k citations
  8. 8 Stefan Grimme Germany 224k citations
  9. 9 A. Meyer France 224k citations
  10. 10 George M. Sheldrick Germany 220k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in X-ray Spectroscopy and Fluorescence Analysis?

The most cited paper in X-ray Spectroscopy and Fluorescence Analysis is "ATHENA , ARTEMIS , HEPHAESTUS : data analysis for X-ray absorption spectroscopy using IFEFFIT" (Bruce Ravel, Matthew G. Newville, 2005), with 16,947 citations. Next come "Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni" (11,490) and "X-ray line broadening from filed aluminium and wolfram" (10,492).

Most cited papers
#PaperReleasedCitations
1 ATHENA , ARTEMIS , HEPHAESTUS : data analysis for X-ray absorption spectroscopy using IFEFFIT Bruce Ravel, Matthew G. Newville · Journal of Synchrotron Radiation Open access 15 Jun 2005 16,947
2 Resolving surface chemical states in XPS analysis of first row transition metals, oxides and hydroxides: Cr, Mn, Fe, Co and Ni Mark C. Biesinger, Brad P. Payne, Andrew P. Grosvenor et al. · Applied Surface Science 21 Oct 2010 11,490
3 X-ray line broadening from filed aluminium and wolfram G.K. Williamson, W H Hall · Acta Metallurgica 1953 10,492
4 X-Ray Interactions: Photoabsorption, Scattering, Transmission, and Reflection at E = 50-30,000 eV, Z = 1-92 B. L. Henke, Eric M. Gullikson, J.C. Davis · Atomic Data and Nuclear Data Tables Jul 1993 6,273
5 High-Resolution X-Ray Photoemission Spectrum of the Valence Bands of Gold D. A. Shirley · Physical review. B, Solid state 15 Jun 1972 6,232
All 100 most cited papers, with filters and sorting

Where is X-ray Spectroscopy and Fluorescence Analysis research done?

The largest centres of X-ray Spectroscopy and Fluorescence Analysis research in 2022-now are Beijing (China), Moscow (Russia), Paris (France) and Tokyo (Japan). Among places with at least 20 works in it, it is an unusually large share of all research in Sayō.

Largest cities, 2022-now

  1. 1 BeijingChina 81 works
  2. 2 MoscowRussia 49 works
  3. 3 ParisFrance 48 works
  4. 4 TokyoJapan 37 works
  5. 5 HamburgGermany 30 works
  6. 6 BerlinGermany 23 works
  7. 7 MumbaiIndia 21 works
  8. 8 SayōJapan 21 works
  9. 9 LondonUnited Kingdom 21 works
  10. 10 HefeiChina 20 works

Where it is the local speciality

  1. SayōJP · 20.9 works260×
← less than its size predicts1×more →

Location quotient: how much more of its research is in X-ray Spectroscopy and Fluorescence Analysis than the world average.

See X-ray Spectroscopy and Fluorescence Analysis on the map

Where is the best place to study X-ray Spectroscopy and Fluorescence Analysis?

Among universities, judged by research, Stanford University, University of North Carolina at Chapel Hill and Tohoku University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 8.3%fractional works in this field (log) →share of work in the world top 10% →Stanford UniversityHomi Bhabha National…Tohoku UniversityUniversity of North …
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Stanford UniversityUnited States 88.417.2%7.9×21 -16.5%
2University of North Carolina at Chapel HillUnited States 42.10.8%4.6×15 +739.4%
3Tohoku UniversityJapan 37.75.7%11.1×13 -26.4%
4Homi Bhabha National InstituteIndia 35.814.3%18.6×8 -7.2%
5University of Chinese Academy of SciencesChina 35.18.7%3.8×11 +125.8%
6University of Science and Technology of ChinaChina 34.810.6%4.5×10 +83.9%
7Kyoto UniversityJapan 22.30.8%6.2×9 +13.7%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in X-ray Spectroscopy and Fluorescence Analysis, country by country

Is X-ray Spectroscopy and Fluorescence Analysis research growing?

Output in 2022-2025 was 16% lower than in 2018-2021, peaking in 1999.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is X-ray Spectroscopy and Fluorescence Analysis as a percentage of every work published that year, 0.0071% in 2024.

still counting0.10%0.20%X-ray Spectroscopy and Fluorescence Analysis0.0082% in 202519801990200020102020

Fractional works of X-ray Spectroscopy and Fluorescence Analysis over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%X-ray Spectroscopy and Fluorescence Analysis10.3% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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