John M. Longo

6.2k total citations · 1 hit paper
90 papers, 4.9k citations indexed

About

John M. Longo is a scholar working on Materials Chemistry, Electronic, Optical and Magnetic Materials and Condensed Matter Physics. According to data from OpenAlex, John M. Longo has authored 90 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Materials Chemistry, 31 papers in Electronic, Optical and Magnetic Materials and 29 papers in Condensed Matter Physics. Recurrent topics in John M. Longo's work include Advanced Condensed Matter Physics (29 papers), Magnetic and transport properties of perovskites and related materials (19 papers) and Hydrocarbon exploration and reservoir analysis (15 papers). John M. Longo is often cited by papers focused on Advanced Condensed Matter Physics (29 papers), Magnetic and transport properties of perovskites and related materials (19 papers) and Hydrocarbon exploration and reservoir analysis (15 papers). John M. Longo collaborates with scholars based in United States, Canada and Germany. John M. Longo's co-authors include P. M. Raccah, J. A. Kafalas, John B. Goodenough, Roland Ward, M. E. Leonowicz, H.S. Horowitz, Wuu-Liang Huang, Jamie A. Clouse, Kenneth R. Poeppelmeier and R. J. Arnott and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Journal of Applied Physics.

In The Last Decade

John M. Longo

89 papers receiving 4.7k citations

Hit 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.

Magnetic Properties of SrRuO3 and CaRuO3

1968 374 citations John M. Longo, P. M. Raccah et al. Journal of Applied Physics profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
John M. Longo United States	34	2.4k	2.1k	2.0k	572	546	90	4.9k
M. S. Seehra United States	53	3.7k 1.5×	2.1k 1.0×	5.2k 2.7×	1.5k 2.7×	727 1.3×	290	9.4k
P.K. Gallagher United States	46	2.2k 0.9×	2.7k 1.3×	3.7k 1.9×	1.2k 2.1×	567 1.0×	189	7.2k
R. J. Hill Australia	34	1.2k 0.5×	526 0.3×	3.3k 1.7×	938 1.6×	706 1.3×	80	5.1k
Gregory J. McCarthy United States	33	723 0.3×	391 0.2×	3.7k 1.9×	967 1.7×	650 1.2×	125	6.0k
Joe Wong United States	39	691 0.3×	622 0.3×	4.2k 2.2×	1.2k 2.1×	965 1.8×	138	7.0k
R.B. Greegor United States	32	1.3k 0.6×	311 0.1×	1.8k 0.9×	488 0.9×	250 0.5×	90	4.3k
Steve M. Heald United States	48	1.5k 0.6×	908 0.4×	3.4k 1.7×	2.0k 3.5×	422 0.8×	250	8.1k
C. R. Hubbard United States	38	871 0.4×	610 0.3×	4.1k 2.1×	1.1k 1.9×	2.2k 4.0×	195	7.1k
Neal T. Skipper United Kingdom	44	578 0.2×	312 0.1×	2.7k 1.4×	998 1.7×	412 0.8×	119	7.6k
F. W. Lytle United States	38	549 0.2×	475 0.2×	3.4k 1.7×	698 1.2×	496 0.9×	96	5.6k

Countries citing papers authored by John M. Longo

Since Specialization

Citations

This map shows the geographic impact of John M. Longo'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 John M. Longo with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John M. Longo more than expected).

Fields of papers citing papers by John M. Longo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John M. Longo. 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 John M. Longo. The network helps show where John M. Longo may publish in the future.

Co-authorship network of co-authors of John M. Longo

This figure shows the co-authorship network connecting the top 25 collaborators of John M. Longo. A scholar is included among the top collaborators of John M. Longo 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 John M. Longo. John M. Longo 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

SenthilKumar, Gopika, Lindsay L. Peterson, Christopher R. Chitambar, et al.. (2024). Stay on Track: A Pilot Randomized Control Trial on the Feasibility of a Diet and Exercise Intervention in Patients with Breast Cancer Receiving Radiotherapy. Cancer Research Communications. 4(5). 1211–1226. 4 indexed citations

Zhang, Qiong, et al.. (2015). Monte Carlo Model Development for Elemental Analysis Using a Natural Gamma Ray Spectroscopy Tool. 1 indexed citations

Jacobi, David, et al.. (2009). Effective Geochemical and Geomechanical Characterization of Shale Gas Reservoirs from the Wellbore Environment: Caney and the Woodford Shale. SPE Annual Technical Conference and Exhibition. 46 indexed citations

Jacobi, David, et al.. (2008). Defining Clay Type Using Nmr And Geochemical Logging Measurements. 2 indexed citations

Guo, Pingjun, et al.. (2006). A New Pulsed Neutron Sonde for Derivation of Formation Lithology andMineralogy. Proceedings of SPE Annual Technical Conference and Exhibition. 9 indexed citations

Beyerlein, R. A., H.S. Horowitz, John M. Longo, J. D. Jorgensen, & F. J. Rotella. (1982). Neutron diffraction investigation of ordered oxygen vacancies in Pb2Ru2O6.5. AIP conference proceedings. 89. 78–80. 1 indexed citations

Horowitz, H.S., John M. Longo, & J. T. Lewandowski. (1981). New oxide pyrochlores: A2[B2−xAx]O7−y (A = Pb, Bi; B = Ru, Ir). Materials Research Bulletin. 16(5). 489–496. 72 indexed citations

Astarita, Giuseppe, David W. Savage, & John M. Longo. (1981). Promotion of CO2 mass transfer in carbonate solutions. Chemical Engineering Science. 36(3). 581–588. 130 indexed citations

Glaunsinger, W.S., H.S. Horowitz, & John M. Longo. (1979). Preparation and magnetic properties of manganite. Journal of Solid State Chemistry. 29(1). 117–120. 8 indexed citations

10.

Horowitz, H.S. & John M. Longo. (1978). Phase relations in the CaMnO system. Materials Research Bulletin. 13(12). 1359–1369. 79 indexed citations

11.

Longo, John M., J. A. Kafalas, N. Menyuk, & K. Dwight. (1971). High-Pressure RbFeCl3-A Transparent Ferrimagnet. Journal of Applied Physics. 42(4). 1561–1562. 3 indexed citations

12.

Kierkegaard, Peder, John M. Longo, C. J. Ballhausen, et al.. (1970). A Refinement of the Crystal Structure of MoOPO4.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 24. 427–432. 30 indexed citations

13.

Kafalas, J. A. & John M. Longo. (1970). Pressure-induced pyrochlore to perovskite transformations in the Sr1−xPbxRuO3 system. Materials Research Bulletin. 5(3). 193–198. 24 indexed citations

14.

Kafalas, J. A. & John M. Longo. (1968). Effect of pressure on the structure and magnetic properties of RbNiF3. Materials Research Bulletin. 3(6). 501–506. 25 indexed citations

15.

Longo, John M. & J. A. Kafalas. (1968). Pressure-induced structural changes in the system Ba1−xSrxRuO3. Materials Research Bulletin. 3(8). 687–692. 118 indexed citations

16.

Longo, John M. & P. M. Raccah. (1967). Magnetic and structural study of the spinel MnYb2S4. Materials Research Bulletin. 2(5). 541–547. 8 indexed citations

17.

Kierkegaard, Peder, John M. Longo, Bengt‐Olov Marinder, et al.. (1965). Note on the Crystal Structure of VOSO4.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 19. 763–764. 8 indexed citations

18.

Longo, John M., Lewis Katz, & Roland Ward. (1965). Rhenium-Containing Complex Metal Oxides of the Formula Type A^II₄Re^VII₂M^IIO₁₂. Inorganic Chemistry. 4(2). 235–241. 55 indexed citations

19.

Longo, John M., et al.. (1962). Irradiation Control of Oxidation State in Fluorite Crystals containing Samarium. Nature. 193(4811). 157–158. 2 indexed citations

20.

Ward, Roland & John M. Longo. (1960). MAGNETIC PHASES OF THE PEROVSKITE TYPE. Journal of the American Chemical Society. 82(22). 5958–5958. 5 indexed citations

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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