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Topic · Biomaterials

Clay minerals and soil interactions

Clay minerals and soil interactions is a research topic within Biomaterials. Science Explorer counts 30k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the wide-ranging applications of clay nanotubes, particularly halloysite and montmorillonite, in fields such as drug delivery, nanocomposites, biomedical applications, surface modification, encapsulation, release control, and tissue engineering.

  • Clay Nanotubes
  • Halloysite
  • Montmorillonite
  • Drug Delivery
  • Nanocomposites
  • Biomedical Applications
  • Surface Modification
  • Encapsulation
  • Release Control
  • Tissue Engineering
Research works
30k
fractional, since 1950
In the world top 10%
3k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+1%
the tick is no change
Largest producer
China
42% of the 10 largest, 2022-now
Clay minerals and soil interactions

Which countries lead Clay minerals and soil interactions research?

By volume, China and India publish the most (1.3k and 381 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.3k works
  2. 2 India 381 works
  3. 3 United States 361 works
  4. 4 Brazil 255 works
  5. 5 Russia 197 works
  6. 6 France 179 works
  7. 7 Türkiye 128 works
  8. 8 Iran 124 works
  9. 9 Germany 109 works
  10. 10 Japan 107 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.

China: 42.0%India: 12.0%United States: 11.4%Brazil: 8.0%6 others listed: 26.6%42%largest
China1,335 · 42.0%India381 · 12.0%United States361 · 11.4%Brazil255 · 8.0%6 others listed844 · 26.6%

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

Which institutions lead Clay minerals and soil interactions research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Clay minerals and soil interactions research, followed by Russian Academy of Sciences and Centre National de la Recherche Scientifique.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 113 works
  2. 2 Russian Academy of SciencesRussia 104 works
  3. 3 Centre National de la Recherche ScientifiqueFrance 80 works
  4. 4 Chinese Academy of Agricultural SciencesChina 48 works
  5. 5 Indian Council of Agricultural ResearchIndia 34 works
  6. 6 Central South UniversityChina 32 works
  7. 7 China University of Mining and TechnologyChina 30 works
  8. 8 China University of Geosciences (Beijing)China 28 works
  9. 9 Chengdu University of TechnologyChina 26 works
  10. 10 University of Chinese Academy of SciencesChina 25 works

Who are the leading researchers in Clay minerals and soil interactions?

The most-cited researchers publishing on Clay minerals and soil interactions include Wei Huang, Rodney S. Ruoff and Kai You Wang.

  1. 1 Wei Huang China 267k citations
  2. 2 Rodney S. Ruoff United States 231k citations
  3. 3 Kai You Wang China 224k citations
  4. 4 Jiaguo Yu China 207k citations
  5. 5 Guangming Zeng China 204k citations
  6. 6 Peter B. Reich United States 189k citations
  7. 7 Seeram Ramakrishna Singapore 186k citations
  8. 8 Markus Antonietti Germany 185k citations
  9. 9 Qiang Zhang China 184k 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 Clay minerals and soil interactions?

The most cited paper in Clay minerals and soil interactions is "A Chemical Classification of Volcanic Rocks Based on the Total Alkali-Silica Diagram" (M. J. Le Bas, R. W. Le Maitre, Albert Streckeisen et al., 1986), with 6,747 citations. Next come "Organic matter and water‐stable aggregates in soils" (6,297) and "Mehlich 3 soil test extractant: A modification of Mehlich 2 extractant" (5,643).

Most cited papers
#PaperReleasedCitations
1 A Chemical Classification of Volcanic Rocks Based on the Total Alkali-Silica Diagram M. J. Le Bas, R. W. Le Maitre, Albert Streckeisen et al. · Journal of Petrology Jun 1986 6,747
2 Organic matter and water‐stable aggregates in soils Judith M. Tisdall, JM Oades · Journal of Soil Science Jun 1982 6,297
3 Mehlich 3 soil test extractant: A modification of Mehlich 2 extractant Adolf Mehlich · Communications in Soil Science and Plant Analysis Dec 1984 5,643
4 Stabilization mechanisms of soil organic matter: Implications for C-saturation of soils Johan Six, Richard T. Conant, E. A. Paul et al. · Plant and Soil Apr 2002 4,578
5 Molecular Models of Hydroxide, Oxyhydroxide, and Clay Phases and the Development of a General Force Field Randall T. Cygan, Jian-Jie Liang, Andrey G. Kalinichev · The Journal of Physical Chemistry B 2004 3,219
All 99 most cited papers, with filters and sorting

Where is Clay minerals and soil interactions research done?

The largest centres of Clay minerals and soil interactions research in 2022-now are Beijing (China), Moscow (Russia), Nanjing (China) and Wuhan (China). Among places with at least 20 works in it, it is an unusually large share of all research in Xuzhou.

Largest cities, 2022-now

  1. 1 BeijingChina 270 works
  2. 2 MoscowRussia 76 works
  3. 3 NanjingChina 74 works
  4. 4 WuhanChina 68 works
  5. 5 GuangzhouChina 58 works
  6. 6 ParisFrance 54 works
  7. 7 ChangshaChina 52 works
  8. 8 TehranIran 46 works
  9. 9 ChengduChina 42 works
  10. 10 ShanghaiChina 35 works

Where it is the local speciality

  1. XuzhouCN · 30.7 works6.7×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Clay minerals and soil interactions than the world average.

See Clay minerals and soil interactions on the map

Where is the best place to study Clay minerals and soil interactions?

Among universities, judged by research, Central South University, China University of Mining and Technology and University of Palermo 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%20%40%mean 18.57%fractional works in this field (log) →share of work in the world top 10% →University of PalermoChina University of …Central South Univer…University of Chines…
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
1Central South UniversityChina 67.517.9%3.9×32 +53.2%
2China University of Mining and TechnologyChina 65.418.1%8.7×30 +78.8%
3University of PalermoItaly 62.129.6%8.3×12 -28.2%
4University of Chinese Academy of SciencesChina 58.917.3%3.6×25 -0.7%
5China University of Geosciences (Beijing)China 58.08.0%22.6×28 +76.6%
6Northeastern UniversityChina 56.630.8%3.2×13 +138.0%
7Zhejiang UniversityChina 55.823.6%1.4×16 +10.2%
8China University of GeosciencesChina 54.011.3%10.5×21 +41.9%
9China Agricultural UniversityChina 50.923.5%4.2×10 +11.5%
10Chengdu University of TechnologyChina 50.25.6%15.6×26 +555.0%

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 Clay minerals and soil interactions, country by country

Is Clay minerals and soil interactions research growing?

Output in 2022-2025 was 1% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Clay minerals and soil interactions.

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 Clay minerals and soil interactions as a percentage of every work published that year, 0.017% in 2024.

still counting0.025%0.050%0.075%Clay minerals and soil interactions0.019% in 202519801990200020102020

Fractional works of Clay minerals and soil interactions 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%Clay minerals and soil interactions10.2% 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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