A. J. Freeman

47.6k total citations · 12 hit papers
695 papers, 39.9k citations indexed

About

A. J. Freeman is a scholar working on Atomic and Molecular Physics, and Optics, Materials Chemistry and Condensed Matter Physics. According to data from OpenAlex, A. J. Freeman has authored 695 papers receiving a total of 39.9k indexed citations (citations by other indexed papers that have themselves been cited), including 364 papers in Atomic and Molecular Physics, and Optics, 270 papers in Materials Chemistry and 254 papers in Condensed Matter Physics. Recurrent topics in A. J. Freeman's work include Advanced Chemical Physics Studies (176 papers), Magnetic properties of thin films (139 papers) and Physics of Superconductivity and Magnetism (104 papers). A. J. Freeman is often cited by papers focused on Advanced Chemical Physics Studies (176 papers), Magnetic properties of thin films (139 papers) and Physics of Superconductivity and Magnetism (104 papers). A. J. Freeman collaborates with scholars based in United States, Japan and Switzerland. A. J. Freeman's co-authors include R. E. Watson, Ruqian Wu, M. Weinert, Mercouri G. Kanatzidis, E. Wimmer, Henry Krakauer, Jaejun Yu, H. J. F. Jansen, Jino Im and S. Massidda and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

A. J. Freeman

683 papers receiving 38.3k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Full-potential self-consistent linearized-augmented-plane-wave method for calculating the electronic structure of molecules and surfaces:O2molecule

1981 1.7k citations A. J. Freeman et al. profile →
Crystal Growth of the Perovskite Semiconductor CsPbBr₃: A New Material for High-Energy Radiation Detection

2013 1.3k citations Jino Im, Thomas C. Chasapis et al. profile →
CsSnI₃: Semiconductor or Metal? High Electrical Conductivity and Strong Near-Infrared Photoluminescence from a Single Material. High Hole Mobility and Phase-Transitions

2012 991 citations In Jae Chung, Jung‐Hwan Song et al. profile →
Theoretical Investigation of Some Magnetic and Spectroscopic Properties of Rare-Earth Ions

1962 904 citations A. J. Freeman et al. profile →
Hybrid Germanium Iodide Perovskite Semiconductors: Active Lone Pairs, Structural Distortions, Direct and Indirect Energy Gaps, and Strong Nonlinear Optical Properties

2015 808 citations S. H. Rhim, A. J. Freeman et al. profile →
Electronic and optical properties of anataseTiO2

2000 656 citations A. J. Freeman et al. profile →
Dirac-Fock studies of some electronic properties of rare-earth ions

1979 574 citations A. J. Freeman et al. profile →
Total-energy full-potential linearized augmented-plane-wave method for bulk solids: Electronic and structural properties of tungsten

1984 568 citations A. J. Freeman et al. profile →
Origin of Effective Fields in Magnetic Materials

1961 534 citations A. J. Freeman et al. profile →
Co2MnX(X=Si,Ge, Sn) Heusler compounds: Anab initiostudy of their structural, electronic, and magnetic properties at zero and elevated pressure

2002 514 citations A. J. Freeman et al. profile →
Electronically driven instabilities and superconductivity in the layeredLa2−xBaxCuO4perovskites

1987 473 citations A. J. Freeman et al. Physical Review Letters profile →
Hidden spin polarization in inversion-symmetric bulk crystals

2014 422 citations A. J. Freeman et al. profile →

Peers

Countries citing papers authored by A. J. Freeman

Since Specialization

Citations

This map shows the geographic impact of A. J. Freeman's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by A. J. Freeman with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites A. J. Freeman more than expected).

Fields of papers citing papers by A. J. Freeman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by A. J. Freeman. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by A. J. Freeman. The network helps show where A. J. Freeman may publish in the future.

Co-authorship network of co-authors of A. J. Freeman

This figure shows the co-authorship network connecting the top 25 collaborators of A. J. Freeman. A scholar is included among the top collaborators of A. J. Freeman based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with A. J. Freeman. A. J. Freeman is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Hybridization Gap and Dresselhaus Spin Splitting in EuIr₄In₂Ge₄ 2015 ·Angewandte Chemie International Edition ·Nicholas P. Calta, Jino Im, (unknown), (unknown), Daniel E. Bugaris, Thomas C. Chasapis, A. J. Freeman, Mercouri G. Kanatzidis	7
2	Topological Oxide Insulator in Cubic Perovskite Structure 2013 ·Scientific Reports ·Hosub Jin, S. H. Rhim, Jino Im, A. J. Freeman	39
3	First-principles study of $\gamma$-ray detectors: Cs-based compounds 2012 ·Bulletin of the American Physical Society ·Hosub Jin, Jino Im, A. J. Freeman, Bruce W. Wessels, Mercouri G. Kanatzidis	1
4	Rb₄Sn₅P₄Se₂₀: A Semimetallic Selenophosphate 2011 ·Angewandte Chemie International Edition ·In Jae Chung, Kanishka Biswas, Jung‐Hwan Song, John Androulakis, Konstantinos Chondroudis, Konstantinos Paraskevopoulos, A. J. Freeman, Mercouri G. Kanatzidis	19
5	Giant Modification of the Magnetocrystalline Anisotropy in Transition-Metal Monolayers by an External Electric Field 2009 ·Physical Review Letters ·Kohji Nakamura, Riki Shimabukuro, Yuji Fujiwara, Toru Akiyama, Tomonori Ito, A. J. Freeman	294
6	El tratamiento de las experiencias de crisis: una perspectiva cognitivo conductual 2007 ·Psicología conductual = behavioral psychology: Revista internacional de psicología clínica y de la salud ·A. J. Freeman, Frank M. Dattilio	1
7	Half-Metallic Exchange Bias Ferromagnetic/Antiferromagnetic Interfaces in Transition-Metal Chalcogenides 2006 ·Physical Review Letters ·Kohji Nakamura, Yoshinori Katō, Toru Akiyama, Tomonori Ito, A. J. Freeman	22
8	H-induced decohesion across the grain boundary and H-enhanced vacancy activity in metals 2005 ·W. T. Geng, A. J. Freeman, Gregory B. Olson, Yoshitaka Tateyama, Takahisa Ohno	1
9	Half-Metallicity and Efficient Spin Injection inAlN/GaN∶Cr(0001) Heterostructure 2005 ·Physical Review Letters ·Julia E. Medvedeva, A. J. Freeman, Xiangyuan Cui, Catherine Stampfl, N. Newman	38
10	Half-metallic ferromagnetism in Cu doped ZnO? 2004 ·APS March Meeting Abstracts ·(unknown), A. J. Freeman	1
11	Ruderman-Kittel-Kasuya-Yosida-like ferromagnetism in Mn_xGe_1-x 2003 ·APS March Meeting Abstracts ·Yu‐Jun Zhao, A. J. Freeman	2
12	Materials by design and the exciting role of quantum computation/simulation 2002 ·Journal of Computational and Applied Mathematics ·A. J. Freeman	18
13	Room-Temperature Ferromagnetism in(Zn1−xMnx)GeP2Semiconductors 2002 ·Physical Review Letters ·Sunglae Cho, Sungyoul Choi, (unknown), Soon Cheol Hong, Yun-Ki Kim, Yu‐Jun Zhao, A. J. Freeman, J. B. Ketterson, (unknown), Y. C. Kim, Byung‐Chun Choi	143
14	Electronic structure and electric field gradient in MgB$_2$ and related $s-$, $p-$ and $d-$metal diborides: possible correlation with superconductivity 2001 ·arXiv (Cornell University) ·Н. И. Медведева, A. L. Ivanovskiĭ, Julia E. Medvedeva, A. J. Freeman, D. L. Novikov	1
15	Personality disorders among depressed outpatients as identified by the MCMI 1990 ·Journal of Clinical Psychology ·J. Wesley Libb, Srdjan Stankovic, A. J. Freeman, (unknown), (unknown), (unknown)	13
16	Proceedings of the International Conference on Magnetic Alloys and Oxides, 15-18 August 1977, Haifa, Israel 1978 ·(unknown), A. J. Freeman, (unknown), (unknown)	1
17	Remote measurement of water vapor concentration in the atmosphere by fluorescence adsorption and backscattering from a tunable laser radar 1976 ·Defense Technical Information Center (DTIC) ·A. J. Freeman, M LEWIS, Gilbert D. Stein	0
18	Palladis Tamia : wits treasury 1973 ·Garland Pub. eBooks ·(unknown), A. J. Freeman	8
19	The Ephemerides of Phialo 1973 ·Garland Pub. eBooks ·(unknown), A. J. Freeman	1
20	Visits from the shades 1972 ·Garland Pub. eBooks ·A. J. Freeman	1

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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