Hefei Institutes of Physical Science, Chinese Academy of Sciences

Institute of Solid State Physics, Chinese Academy of Sciences

Are you a researcher?

Create a profile to get free access to personal recommendations for colleagues and new articles.

Institute of Solid State Physics, Chinese Academy of Sciences

Short name

ISSP CAS

Country, city

China, Hefei

04j3eks61

Organization website

Publications

5 406

Citations

176 137

h-index

161

Top-3 journals

Physical Review B (276 publications)

Journal of Alloys and Compounds (218 publications)

Applied Physics Letters (153 publications)

Top-3 organizations

University of Science and Technology of China (1722 publications)

Hefei Institutes of Physical Science, Chinese Academy of Sciences (979 publications)

Anhui University (394 publications)

Top-3 foreign organizations

Griffith University (162 publications)

Osipyan Institute of Solid State Physics of the Russian Academy of Sciences (114 publications)

University of Wollongong (55 publications)

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1980

Total publications

5406

Total citations

176137

Citations per publication

32.58

Average publications per year

115.02

Average authors per publication

6.73

h-index

161

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	200 400 600 800 1000 1200 1400 1600
Condensed Matter Physics	Condensed Matter Physics, 1557, 28.8% Condensed Matter Physics 1557 publications, 28.8%
General Materials Science	General Materials Science, 1414, 26.16% General Materials Science 1414 publications, 26.16%
General Chemistry	General Chemistry, 1071, 19.81% General Chemistry 1071 publications, 19.81%
Electronic, Optical and Magnetic Materials	Electronic, Optical and Magnetic Materials, 918, 16.98% Electronic, Optical and Magnetic Materials 918 publications, 16.98%
Materials Chemistry	Materials Chemistry, 909, 16.81% Materials Chemistry 909 publications, 16.81%
Mechanics of Materials	Mechanics of Materials, 717, 13.26% Mechanics of Materials 717 publications, 13.26%
Mechanical Engineering	Mechanical Engineering, 714, 13.21% Mechanical Engineering 714 publications, 13.21%
General Physics and Astronomy	General Physics and Astronomy, 683, 12.63% General Physics and Astronomy 683 publications, 12.63%
Surfaces, Coatings and Films	Surfaces, Coatings and Films, 466, 8.62% Surfaces, Coatings and Films 466 publications, 8.62%
Metals and Alloys	Metals and Alloys, 459, 8.49% Metals and Alloys 459 publications, 8.49%
Electrical and Electronic Engineering	Electrical and Electronic Engineering, 404, 7.47% Electrical and Electronic Engineering 404 publications, 7.47%
Physical and Theoretical Chemistry	Physical and Theoretical Chemistry, 359, 6.64% Physical and Theoretical Chemistry 359 publications, 6.64%
General Chemical Engineering	General Chemical Engineering, 270, 4.99% General Chemical Engineering 270 publications, 4.99%
Ceramics and Composites	Ceramics and Composites, 240, 4.44% Ceramics and Composites 240 publications, 4.44%
Atomic and Molecular Physics, and Optics	Atomic and Molecular Physics, and Optics, 191, 3.53% Atomic and Molecular Physics, and Optics 191 publications, 3.53%
Renewable Energy, Sustainability and the Environment	Renewable Energy, Sustainability and the Environment, 181, 3.35% Renewable Energy, Sustainability and the Environment 181 publications, 3.35%
Catalysis	Catalysis, 164, 3.03% Catalysis 164 publications, 3.03%
Physics and Astronomy (miscellaneous)	Physics and Astronomy (miscellaneous), 163, 3.02% Physics and Astronomy (miscellaneous) 163 publications, 3.02%
Electrochemistry	Electrochemistry, 151, 2.79% Electrochemistry 151 publications, 2.79%
Biomaterials	Biomaterials, 147, 2.72% Biomaterials 147 publications, 2.72%
Surfaces and Interfaces	Surfaces and Interfaces, 140, 2.59% Surfaces and Interfaces 140 publications, 2.59%
Energy Engineering and Power Technology	Energy Engineering and Power Technology, 140, 2.59% Energy Engineering and Power Technology 140 publications, 2.59%
Inorganic Chemistry	Inorganic Chemistry, 115, 2.13% Inorganic Chemistry 115 publications, 2.13%
Bioengineering	Bioengineering, 114, 2.11% Bioengineering 114 publications, 2.11%
Nuclear Energy and Engineering	Nuclear Energy and Engineering, 110, 2.03% Nuclear Energy and Engineering 110 publications, 2.03%
Polymers and Plastics	Polymers and Plastics, 109, 2.02% Polymers and Plastics 109 publications, 2.02%
Nuclear and High Energy Physics	Nuclear and High Energy Physics, 105, 1.94% Nuclear and High Energy Physics 105 publications, 1.94%
Environmental Chemistry	Environmental Chemistry, 98, 1.81% Environmental Chemistry 98 publications, 1.81%
Multidisciplinary	Multidisciplinary, 93, 1.72% Multidisciplinary 93 publications, 1.72%
General Engineering	General Engineering, 93, 1.72% General Engineering 93 publications, 1.72%
	200 400 600 800 1000 1200 1400 1600

Journals

	50 100 150 200 250 300
Physical Review B	Physical Review B, 276, 5.11% Physical Review B 276 publications, 5.11%
Journal of Alloys and Compounds	Journal of Alloys and Compounds, 218, 4.03% Journal of Alloys and Compounds 218 publications, 4.03%
Applied Physics Letters	Applied Physics Letters, 153, 2.83% Applied Physics Letters 153 publications, 2.83%
Journal of Applied Physics	Journal of Applied Physics, 147, 2.72% Journal of Applied Physics 147 publications, 2.72%
Journal of Materials Chemistry A	Journal of Materials Chemistry A, 102, 1.89% Journal of Materials Chemistry A 102 publications, 1.89%
ACS applied materials & interfaces	ACS applied materials & interfaces, 98, 1.81% ACS applied materials & interfaces 98 publications, 1.81%
RSC Advances	RSC Advances, 96, 1.78% RSC Advances 96 publications, 1.78%
Materials Letters	Materials Letters, 87, 1.61% Materials Letters 87 publications, 1.61%
Journal of Physical Chemistry C	Journal of Physical Chemistry C, 83, 1.54% Journal of Physical Chemistry C 83 publications, 1.54%
Chinese Physics Letters	Chinese Physics Letters, 79, 1.46% Chinese Physics Letters 79 publications, 1.46%
Journal of Physics Condensed Matter	Journal of Physics Condensed Matter, 76, 1.41% Journal of Physics Condensed Matter 76 publications, 1.41%
Journal of Nuclear Materials	Journal of Nuclear Materials, 76, 1.41% Journal of Nuclear Materials 76 publications, 1.41%
Solid State Communications	Solid State Communications, 70, 1.29% Solid State Communications 70 publications, 1.29%
Applied Surface Science	Applied Surface Science, 61, 1.13% Applied Surface Science 61 publications, 1.13%
Journal of Materials Chemistry C	Journal of Materials Chemistry C, 58, 1.07% Journal of Materials Chemistry C 58 publications, 1.07%
Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing	Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 58, 1.07% Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing 58 publications, 1.07%
Small	Small, 57, 1.05% Small 57 publications, 1.05%
Nanotechnology	Nanotechnology, 56, 1.04% Nanotechnology 56 publications, 1.04%
Physica B: Condensed Matter	Physica B: Condensed Matter, 56, 1.04% Physica B: Condensed Matter 56 publications, 1.04%
Ceramics International	Ceramics International, 55, 1.02% Ceramics International 55 publications, 1.02%
Chemical Engineering Journal	Chemical Engineering Journal, 55, 1.02% Chemical Engineering Journal 55 publications, 1.02%
Chemical Communications	Chemical Communications, 54, 1% Chemical Communications 54 publications, 1%
Journal of Magnetism and Magnetic Materials	Journal of Magnetism and Magnetic Materials, 54, 1% Journal of Magnetism and Magnetic Materials 54 publications, 1%
Physical Chemistry Chemical Physics	Physical Chemistry Chemical Physics, 53, 0.98% Physical Chemistry Chemical Physics 53 publications, 0.98%
Advanced Functional Materials	Advanced Functional Materials, 53, 0.98% Advanced Functional Materials 53 publications, 0.98%
Nanoscale	Nanoscale, 48, 0.89% Nanoscale 48 publications, 0.89%
Physica C: Superconductivity and its Applications	Physica C: Superconductivity and its Applications, 46, 0.85% Physica C: Superconductivity and its Applications 46 publications, 0.85%
Angewandte Chemie - International Edition	Angewandte Chemie - International Edition, 46, 0.85% Angewandte Chemie - International Edition 46 publications, 0.85%
Physics Letters, Section A: General, Atomic and Solid State Physics	Physics Letters, Section A: General, Atomic and Solid State Physics, 43, 0.8% Physics Letters, Section A: General, Atomic and Solid State Physics 43 publications, 0.8%
Scientific Reports	Scientific Reports, 42, 0.78% Scientific Reports 42 publications, 0.78%
	50 100 150 200 250 300

Publishers

	200 400 600 800 1000 1200 1400 1600 1800 2000
Elsevier	Elsevier, 1862, 34.44% Elsevier 1862 publications, 34.44%
Royal Society of Chemistry (RSC)	Royal Society of Chemistry (RSC), 557, 10.3% Royal Society of Chemistry (RSC) 557 publications, 10.3%
Wiley	Wiley, 538, 9.95% Wiley 538 publications, 9.95%
American Chemical Society (ACS)	American Chemical Society (ACS), 516, 9.54% American Chemical Society (ACS) 516 publications, 9.54%
Springer Nature	Springer Nature, 451, 8.34% Springer Nature 451 publications, 8.34%
AIP Publishing	AIP Publishing, 380, 7.03% AIP Publishing 380 publications, 7.03%
IOP Publishing	IOP Publishing, 377, 6.97% IOP Publishing 377 publications, 6.97%
American Physical Society (APS)	American Physical Society (APS), 315, 5.83% American Physical Society (APS) 315 publications, 5.83%
MDPI	MDPI, 61, 1.13% MDPI 61 publications, 1.13%
Taylor & Francis	Taylor & Francis, 46, 0.85% Taylor & Francis 46 publications, 0.85%
World Scientific	World Scientific, 36, 0.67% World Scientific 36 publications, 0.67%
Optica Publishing Group	Optica Publishing Group, 36, 0.67% Optica Publishing Group 36 publications, 0.67%
American Scientific Publishers	American Scientific Publishers, 20, 0.37% American Scientific Publishers 20 publications, 0.37%
The Electrochemical Society	The Electrochemical Society, 20, 0.37% The Electrochemical Society 20 publications, 0.37%
Hindawi Limited	Hindawi Limited, 15, 0.28% Hindawi Limited 15 publications, 0.28%
Institute of Electrical and Electronics Engineers (IEEE)	Institute of Electrical and Electronics Engineers (IEEE), 15, 0.28% Institute of Electrical and Electronics Engineers (IEEE) 15 publications, 0.28%
American Association for the Advancement of Science (AAAS)	American Association for the Advancement of Science (AAAS), 13, 0.24% American Association for the Advancement of Science (AAAS) 13 publications, 0.24%
Proceedings of the National Academy of Sciences (PNAS)	Proceedings of the National Academy of Sciences (PNAS), 12, 0.22% Proceedings of the National Academy of Sciences (PNAS) 12 publications, 0.22%
Walter de Gruyter	Walter de Gruyter, 10, 0.18% Walter de Gruyter 10 publications, 0.18%
Pleiades Publishing	Pleiades Publishing, 10, 0.18% Pleiades Publishing 10 publications, 0.18%
Higher Education Press	Higher Education Press, 10, 0.18% Higher Education Press 10 publications, 0.18%
Science in China Press	Science in China Press, 10, 0.18% Science in China Press 10 publications, 0.18%
Frontiers Media S.A.	Frontiers Media S.A., 7, 0.13% Frontiers Media S.A. 7 publications, 0.13%
SPIE-Intl Soc Optical Eng	SPIE-Intl Soc Optical Eng, 7, 0.13% SPIE-Intl Soc Optical Eng 7 publications, 0.13%
Oxford University Press	Oxford University Press, 6, 0.11% Oxford University Press 6 publications, 0.11%
EDP Sciences	EDP Sciences, 6, 0.11% EDP Sciences 6 publications, 0.11%
Institution of Engineering and Technology (IET)	Institution of Engineering and Technology (IET), 5, 0.09% Institution of Engineering and Technology (IET) 5 publications, 0.09%
SAGE	SAGE, 4, 0.07% SAGE 4 publications, 0.07%
Trans Tech Publications	Trans Tech Publications, 4, 0.07% Trans Tech Publications 4 publications, 0.07%
Nonferrous Metals Society of China	Nonferrous Metals Society of China, 4, 0.07% Nonferrous Metals Society of China 4 publications, 0.07%
	200 400 600 800 1000 1200 1400 1600 1800 2000

With other organizations

	200 400 600 800 1000 1200 1400 1600 1800
University of Science and Technology of China	University of Science and Technology of China, 1722, 31.85% University of Science and Technology of China 1722 publications, 31.85%
Hefei Institutes of Physical Science, Chinese Academy of Sciences	Hefei Institutes of Physical Science, Chinese Academy of Sciences, 979, 18.11% Hefei Institutes of Physical Science, Chinese Academy of Sciences 979 publications, 18.11%
Anhui University	Anhui University, 394, 7.29% Anhui University 394 publications, 7.29%
Nanjing University	Nanjing University, 309, 5.72% Nanjing University 309 publications, 5.72%
Collaborative Innovation Center of Advanced Microstructures	Collaborative Innovation Center of Advanced Microstructures, 207, 3.83% Collaborative Innovation Center of Advanced Microstructures 207 publications, 3.83%
Hefei University of Technology	Hefei University of Technology, 171, 3.16% Hefei University of Technology 171 publications, 3.16%
Griffith University	Griffith University, 162, 3% Griffith University 162 publications, 3%
Institute of Plasma Physics, Chinese Academy of Sciences	Institute of Plasma Physics, Chinese Academy of Sciences, 123, 2.28% Institute of Plasma Physics, Chinese Academy of Sciences 123 publications, 2.28%
Osipyan Institute of Solid State Physics of the Russian Academy of Sciences	Osipyan Institute of Solid State Physics of the Russian Academy of Sciences, 114, 2.11% Osipyan Institute of Solid State Physics of the Russian Academy of Sciences 114 publications, 2.11%
Huaibei Normal University	Huaibei Normal University, 110, 2.03% Huaibei Normal University 110 publications, 2.03%
Yunnan University	Yunnan University, 102, 1.89% Yunnan University 102 publications, 1.89%
University of Chinese Academy of Sciences	University of Chinese Academy of Sciences, 87, 1.61% University of Chinese Academy of Sciences 87 publications, 1.61%
Center for High Pressure Science & Technology Advanced Research	Center for High Pressure Science & Technology Advanced Research, 83, 1.54% Center for High Pressure Science & Technology Advanced Research 83 publications, 1.54%
Tsinghua University	Tsinghua University, 69, 1.28% Tsinghua University 69 publications, 1.28%
Chinese University of Hong Kong	Chinese University of Hong Kong, 68, 1.26% Chinese University of Hong Kong 68 publications, 1.26%
Hefei Normal University	Hefei Normal University, 66, 1.22% Hefei Normal University 66 publications, 1.22%
Fudan University	Fudan University, 59, 1.09% Fudan University 59 publications, 1.09%
Institute of Physics, Chinese Academy of Sciences	Institute of Physics, Chinese Academy of Sciences, 59, 1.09% Institute of Physics, Chinese Academy of Sciences 59 publications, 1.09%
University of Wollongong	University of Wollongong, 55, 1.02% University of Wollongong 55 publications, 1.02%
Nanjing University of Science and Technology	Nanjing University of Science and Technology, 54, 1% Nanjing University of Science and Technology 54 publications, 1%
Carnegie Institution for Science	Carnegie Institution for Science, 54, 1% Carnegie Institution for Science 54 publications, 1%
Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences	Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, 50, 0.92% Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences 50 publications, 0.92%
Anhui Institute of Innovation for Industrial Technology, Chinese Academy of Sciences	Anhui Institute of Innovation for Industrial Technology, Chinese Academy of Sciences, 49, 0.91% Anhui Institute of Innovation for Industrial Technology, Chinese Academy of Sciences 49 publications, 0.91%
Ningbo Institute of Industrial Technology, Chinese Academy of Sciences	Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, 49, 0.91% Ningbo Institute of Industrial Technology, Chinese Academy of Sciences 49 publications, 0.91%
Huazhong University of Science and Technology	Huazhong University of Science and Technology, 45, 0.83% Huazhong University of Science and Technology 45 publications, 0.83%
Nanyang Technological University	Nanyang Technological University, 43, 0.8% Nanyang Technological University 43 publications, 0.8%
University of Antwerp	University of Antwerp, 43, 0.8% University of Antwerp 43 publications, 0.8%
University of Edinburgh	University of Edinburgh, 42, 0.78% University of Edinburgh 42 publications, 0.78%
Anhui Jianzhu University	Anhui Jianzhu University, 39, 0.72% Anhui Jianzhu University 39 publications, 0.72%
Shandong University of Science and Technology	Shandong University of Science and Technology, 37, 0.68% Shandong University of Science and Technology 37 publications, 0.68%
	200 400 600 800 1000 1200 1400 1600 1800

With foreign organizations

	20 40 60 80 100 120 140 160 180
Griffith University	Griffith University, 162, 3% Griffith University 162 publications, 3%
Osipyan Institute of Solid State Physics of the Russian Academy of Sciences	Osipyan Institute of Solid State Physics of the Russian Academy of Sciences, 114, 2.11% Osipyan Institute of Solid State Physics of the Russian Academy of Sciences 114 publications, 2.11%
University of Wollongong	University of Wollongong, 55, 1.02% University of Wollongong 55 publications, 1.02%
Carnegie Institution for Science	Carnegie Institution for Science, 54, 1% Carnegie Institution for Science 54 publications, 1%
Nanyang Technological University	Nanyang Technological University, 43, 0.8% Nanyang Technological University 43 publications, 0.8%
University of Antwerp	University of Antwerp, 43, 0.8% University of Antwerp 43 publications, 0.8%
University of Edinburgh	University of Edinburgh, 42, 0.78% University of Edinburgh 42 publications, 0.78%
University College London	University College London, 26, 0.48% University College London 26 publications, 0.48%
Australian National University	Australian National University, 24, 0.44% Australian National University 24 publications, 0.44%
National Institute for Materials Science	National Institute for Materials Science, 24, 0.44% National Institute for Materials Science 24 publications, 0.44%
University of Queensland	University of Queensland, 21, 0.39% University of Queensland 21 publications, 0.39%
McGill University	McGill University, 21, 0.39% McGill University 21 publications, 0.39%
Carnegie Mellon University	Carnegie Mellon University, 20, 0.37% Carnegie Mellon University 20 publications, 0.37%
University of Chicago	University of Chicago, 18, 0.33% University of Chicago 18 publications, 0.33%
Tohoku University	Tohoku University, 18, 0.33% Tohoku University 18 publications, 0.33%
Moscow Institute of Physics and Technology	Moscow Institute of Physics and Technology, 17, 0.31% Moscow Institute of Physics and Technology 17 publications, 0.31%
Brookhaven National Laboratory	Brookhaven National Laboratory, 17, 0.31% Brookhaven National Laboratory 17 publications, 0.31%
University of Stuttgart	University of Stuttgart, 15, 0.28% University of Stuttgart 15 publications, 0.28%
University of Tokyo	University of Tokyo, 15, 0.28% University of Tokyo 15 publications, 0.28%
P.N. Lebedev Physical Institute of the Russian Academy of Sciences	P.N. Lebedev Physical Institute of the Russian Academy of Sciences, 14, 0.26% P.N. Lebedev Physical Institute of the Russian Academy of Sciences 14 publications, 0.26%
Technische Universität Dresden	Technische Universität Dresden, 14, 0.26% Technische Universität Dresden 14 publications, 0.26%
University of Cambridge	University of Cambridge, 14, 0.26% University of Cambridge 14 publications, 0.26%
National University of Singapore	National University of Singapore, 13, 0.24% National University of Singapore 13 publications, 0.24%
V.S. Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences	V.S. Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences, 12, 0.22% V.S. Sobolev Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences 12 publications, 0.22%
Northwestern University	Northwestern University, 12, 0.22% Northwestern University 12 publications, 0.22%
RWTH Aachen University	RWTH Aachen University, 12, 0.22% RWTH Aachen University 12 publications, 0.22%
Forschungszentrum Jülich	Forschungszentrum Jülich, 12, 0.22% Forschungszentrum Jülich 12 publications, 0.22%
Royal Melbourne Institute of Technology	Royal Melbourne Institute of Technology, 11, 0.2% Royal Melbourne Institute of Technology 11 publications, 0.2%
West Virginia University	West Virginia University, 11, 0.2% West Virginia University 11 publications, 0.2%
Rensselaer Polytechnic Institute	Rensselaer Polytechnic Institute, 11, 0.2% Rensselaer Polytechnic Institute 11 publications, 0.2%
	20 40 60 80 100 120 140 160 180

With other countries

	50 100 150 200 250 300
USA	USA, 281, 5.2% USA 281 publications, 5.2%
Australia	Australia, 265, 4.9% Australia 265 publications, 4.9%
Russia	Russia, 194, 3.59% Russia 194 publications, 3.59%
Germany	Germany, 146, 2.7% Germany 146 publications, 2.7%
United Kingdom	United Kingdom, 106, 1.96% United Kingdom 106 publications, 1.96%
Japan	Japan, 91, 1.68% Japan 91 publications, 1.68%
Belgium	Belgium, 52, 0.96% Belgium 52 publications, 0.96%
Singapore	Singapore, 52, 0.96% Singapore 52 publications, 0.96%
Republic of Korea	Republic of Korea, 49, 0.91% Republic of Korea 49 publications, 0.91%
Canada	Canada, 45, 0.83% Canada 45 publications, 0.83%
France	France, 22, 0.41% France 22 publications, 0.41%
Italy	Italy, 21, 0.39% Italy 21 publications, 0.39%
Austria	Austria, 18, 0.33% Austria 18 publications, 0.33%
Saudi Arabia	Saudi Arabia, 18, 0.33% Saudi Arabia 18 publications, 0.33%
Switzerland	Switzerland, 13, 0.24% Switzerland 13 publications, 0.24%
Pakistan	Pakistan, 12, 0.22% Pakistan 12 publications, 0.22%
Iran	Iran, 11, 0.2% Iran 11 publications, 0.2%
Sweden	Sweden, 11, 0.2% Sweden 11 publications, 0.2%
India	India, 9, 0.17% India 9 publications, 0.17%
Spain	Spain, 9, 0.17% Spain 9 publications, 0.17%
Algeria	Algeria, 8, 0.15% Algeria 8 publications, 0.15%
Bahrain	Bahrain, 8, 0.15% Bahrain 8 publications, 0.15%
Brazil	Brazil, 8, 0.15% Brazil 8 publications, 0.15%
Latvia	Latvia, 8, 0.15% Latvia 8 publications, 0.15%
Czech Republic	Czech Republic, 8, 0.15% Czech Republic 8 publications, 0.15%
Portugal	Portugal, 7, 0.13% Portugal 7 publications, 0.13%
Israel	Israel, 6, 0.11% Israel 6 publications, 0.11%
Oman	Oman, 6, 0.11% Oman 6 publications, 0.11%
Bulgaria	Bulgaria, 4, 0.07% Bulgaria 4 publications, 0.07%
	50 100 150 200 250 300

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1980 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.