Philip J. Ryan

7.5k citations

118 papers · 4.7k indexed · 1 hit paper · h-index 36

Impact in

Electronic, Optical and Magnetic Materials top 1%
- Magnetic and transport properties of perovskites and related materials
- Multiferroics and related materials
Condensed Matter Physics top 1%
- Advanced Condensed Matter Physics

Papers in

Condensed Matter Physics 54
- Advanced Condensed Matter Physics 40
- Physics of Superconductivity and Magnetism 16
Electronic, Optical and Magnetic Materials 66
- Magnetic and transport properties of perovskites and related materials 39
- Multiferroics and related materials 20
- Iron-based superconductors research 12

Co-authors: N. J. McKenzie Jong‐Woo Kim Paul E. Gessler Ian D. Moore Evguenia Karapetrova Steven J. May Anand Bhattacharya J. W. Freeland
Journals: Physical Review B (12 papers)Physical Review Letters (12 papers)Applied Physics Letters (10 papers)Physical review. B. (8 papers)Nature Communications (4 papers)
Partner nations: United States Ireland China

In The Last Decade

Philip J. Ryan

114 papers receiving 4.5k citations

Hit Papers

align trajectories log scale

Soil-landscape modelling and spatial prediction of soil attributes 1995 · 510 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1995 International Journal of Geographical Information Systems

Peers

Countries citing papers authored by Philip J. Ryan

Since Specialization

Citations

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

Fields of papers citing papers by Philip J. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Philip J. Ryan. 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 Philip J. Ryan. The network helps show where Philip J. Ryan may publish in the future.

Co-authors

The 25 scholars most cited alongside Philip J. Ryan, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Philip J. Ryan Line = papers co-authored together Philip J. Ryan links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Elastocaloric evidence for a multicomponent superconductor stabilized within the nematic state in Ba(Fe _{1− x} Co _x ) ₂ As ₂ Proceedings of the National Academy of Sciences ·Irmayanti Irmayanti, M. Ikeda, S Dörsch, 角田美穂, 大樹横山, Hilmah nur Nur, P. M. Lozano, Jong‐Woo Kim, Paul Thompson, Philip J. Ryan, Linda Ye, A. Kapitulnik, Steven A. Kivelson, B. J. Ramshaw, 中島康之, I. R. Fisher	2025	1
2	The classical-to-quantum crossover in the strain-induced ferroelectric transition in SrTiO3 membranes Nature Communications ·Jiarui Li, Dwi Ita Sari, Yongseong Choi, Jong‐Woo Kim, Paul Thompson, Micheal A. Olson, Ruijuan Xu, Harold Y. Hwang, Philip J. Ryan, Wei-Sheng Lee	2025	2
3	Pulling Order Back from the Brink of Disorder: Observation of a Nodal-Line Spin Liquid and Fluctuation Stabilized Order in K2IrCl6 Physical Review X ·Muhammad Khairul, A. de la Torre, J. A. Rodriguez‐Rivera, A. Podlesnyak, Wei Tian, A. A. Aczel, Masaaki Matsuda, Philip J. Ryan, Jong‐Woo Kim, Jeffrey G. Rau, Aline Amaral Sicari	2025	1
4	Large asymmetric anomalous Nernst effect in the antiferromagnet SrIr0.8Sn0.2O3 Nature Communications ·Dongliang Gong, 庄桂龙, Shu Zhang, Marina Vulić, Dapeng Cui, Jacob P. C. Ruff, Lukáš Horák, Evguenia Karapetrova, Jong‐Woo Kim, Philip J. Ryan, Lin Hao, Yang Zhang, Jian Liu	2025	0
5	Emergent tetragonality in a fundamentally orthorhombic material Science Advances ·Ángel Chávez Mendoza, Maja D. Bachmann, Yon Bahiah Wan Aris, Hrant Kostanyan, A. Kapitulnik, Jong‐Woo Kim, Philip J. Ryan, Steven A. Kivelson, I. R. Fisher	2024	3
6	Symmetry Control of Unconventional Spin–Orbit Torques in IrO₂ Advanced Materials ·Michael Quinn Patton, Gautam Gurung, Ding‐Fu Shao, Gahee Noh, Ilios Vilos, Brooks Christopher, Jong‐Woo Kim, Philip J. Ryan, Evgeny Y. Tsymbal, Si‐Young Choi, Daniel C. Ralph, M. S. Rzchowski, Tianxiang Nan, Chang‐Beom Eom	2023	21
7	Spontaneous orbital polarization in the nematic phase of FeSe Nature Materials ·Connor A. Occhialini, Yon Bahiah Wan Aris, Qian Song, G. Fabbris, Yongseong Choi, Jong‐Woo Kim, Philip J. Ryan, Riccardo Comin	2023	12
8	Discovery of Charge Order in the Transition Metal Dichalcogenide FexNbS2 Physical Review Letters ·Shan Wu, Olon A. Ellison, W. Li, Jong‐Woo Kim, Philip J. Ryan, Dong-Hui Lu, Makoto Hashimoto, C. S. Nelson, Mingkai Huang, Shannon C. Haley, سعد علي الحاج بكري, Yu He, Alex Frañó, R. J. Birgeneau	2023	8
9	Strain-switchable field-induced superconductivity Science Advances ·Yon Bahiah Wan Aris, G. Fabbris, Yongseong Choi, G. Pradelli, Elliott Rosenberg, Aileen Das, Paul Malinowski, Yina Huang, I. I. Mazin, Jong‐Woo Kim, Jiun‐Haw Chu, Philip J. Ryan	2023	2
10	Reconciling Monolayer and Bilayer Jeff=1/2 Square Lattices in Hybrid Oxide Superlattice Physical Review Letters ·Dongliang Gong, 庄桂龙, Lin Hao, Lukáš Horák, Yan Xin, Evguenia Karapetrova, J. Strempfer, Yongseong Choi, Jong‐Woo Kim, Philip J. Ryan, Jian Liu	2022	4
11	Hole doping in a negative charge transfer insulator Communications Physics ·John Wulff, Prabhash Venma, Shashank Kumar Ojha, Panagiotis Mylonakis, G. S. Saakjan, Lars Boecking, Mr. Nandkishor T. Pimpalkar, J. W. Freeland, Jong‐Woo Kim, Philip J. Ryan, Priya Mahadevan, S. Middey	2022	9
12	Quasi-Two-Dimensional Anomalous Hall Mott Insulator of Topologically Engineered Jeff=1/2 Electrons Physical Review X ·庄桂龙, Hidemaro Suwa, D. Meyers, 马驰原, Lukáš Horák, Zhaosheng Wang, G. Fabbris, Yongseong Choi, J. Karapetrova, Jong‐Woo Kim, D. Haskel, Philip J. Ryan, M. P. M. Dean, Lin Hao, Jian Liu	2022	5
13	Frequency-dependent suppression of field-induced polarization rotation in relaxor ferroelectric thin films Matter ·Jieun Kim, (unknown), D. Meyers, Abinash Kumar, Abel Fernández, Gabriel Velarde, Ülkü Tıraş, Jong‐Woo Kim, James M. LeBeau, Philip J. Ryan, Lane W. Martin	2021	7
14	Microscopic piezoelectric behavior of clamped and membrane (001) PMN-30PT thin films arXiv (Cornell University) ·Jonathan H. Brumbach, S. Lindemann, Bo Wang, W. J. Maeng, J. Frederick, Fei Li, Yongseong Choi, Paul Thompson, Jong‐Woo Kim, Tim Mooney, V. Vaithyanathan, Darrell G. Schlom, M. S. Rzchowski, Long‐Qing Chen, Philip J. Ryan, Chang‐Beom Eom	2021	8
15	Emergent behavior of LaNiO3 in short-periodic nickelate superlattices APL Materials ·John Wulff, D. Meyers, Xiaoran Liu, Francisco Moraes Silva, M. Kareev, Padraic Shafer, Jong‐Woo Kim, Philip J. Ryan, S. Middey, J. Chakhalian	2020	9
16	Control of Epitaxial BaFe₂As₂ Atomic Configurations with Substrate Surface Terminations Nano Letters ·Nathan John Ayer, Lin Xie, Yi Wang, Hyungwoo Lee, Neil Campbell, Jianyi Jiang, Philip J. Ryan, D. J. Keavney, XENIA HOWARD-JOHNSTON, Tae Heon Kim, Xiaoqing Pan, Long‐Qing Chen, E. E. Hellstrom, M. S. Rzchowski, Zi‐Kui Liu, Chang‐Beom Eom	2018	15
17	Artificial two-dimensional polar metal at room temperature Nature Communications ·Yanwei Cao, Zhen Wang, Se Young Park, Yakun Yuan, Xiaoran Liu, С. М. Никитин, Hirofumi Akamatsu, M. Kareev, S. Middey, D. Meyers, Paul Thompson, Philip J. Ryan, Padraic Shafer, Alpha T. N’Diaye, Elke Arenholz, Venkatraman Gopalan, Yimei Zhu, Karin M. Rabe, J. Chakhalian	2018	62
18	Polar metals by geometric design Nature ·Robert N. Killins, Danilo Puggioni, Yakun Yuan, L. Xie, Hua Zhou, Neil Campbell, Philip J. Ryan, Yongseong Choi, Jong‐Woo Kim, Clive McCulloch, Sangwoo Ryu, J. P. Podkaminer, Julian Irwin, Yandong Ma, Craig J. Fennie, M. S. Rzchowski, Xiaoqing Pan, Venkatraman Gopalan, James M. Rondinelli, Chang‐Beom Eom	2016	246
19	Structure ofSrTiO3Films on Si Physical Review Letters ·C. Stephen Hellberg, Kristopher Andersen, Hao Li, Philip J. Ryan, J. C. Woicik	2012	21
20	An Operational GIS Expert System for Mapping Forest Soils Photogrammetric Engineering & Remote Sensing ·Andrew K. Skidmore, Michael Cowdy, John Iannelli, Philip J. Ryan	1996	49

About Philip J. Ryan

Philip J. Ryan is a scholar working on Condensed Matter Physics, Electronic, Optical and Magnetic Materials, Materials Chemistry, Environmental Engineering and Soil Science, having authored 118 papers that have together received 4.7k indexed citations. Recurring topics across this work include Advanced Condensed Matter Physics (40 papers), Magnetic and transport properties of perovskites and related materials (39 papers), Electronic and Structural Properties of Oxides (31 papers), Multiferroics and related materials (20 papers), Ferroelectric and Piezoelectric Materials (18 papers), Physics of Superconductivity and Magnetism (16 papers), Iron-based superconductors research (12 papers) and Soil Geostatistics and Mapping (10 papers). The work is most often cited by research in Electronic, Optical and Magnetic Materials (2.2k citations), Condensed Matter Physics (1.4k citations), Soil Science (580 citations), Environmental Engineering (835 citations) and Materials Chemistry (2.3k citations). Philip J. Ryan has collaborated with scholars based in United States, Ireland and China. Frequent co-authors include N. J. McKenzie, Jong‐Woo Kim, Paul E. Gessler, Ian D. Moore, Evguenia Karapetrova, Steven J. May, Anand Bhattacharya, J. W. Freeland, Jian Liu and James M. Rondinelli. Their work appears in journals such as Physical Review B, Physical Review Letters, Applied Physics Letters, Physical review. B. and Nature Communications.

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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