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Researcher · University of Arizona · United States

Roger A. Hajjar

Roger A. Hajjar publishes mostly in Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Electronic, Optical and Magnetic Materials, on topics such as Magneto-Optical Properties and Applications, Magnetic properties of thin films and Magnetic Properties and Applications.

OpenAlex
World rank
#6,878,996
of 7,710,434 ranked researchers
Rank in United States
#1,563,980
of 1,627,098
Works
18
Citations
153
Citations per work
8.5
h-index
8
i10-index 6Top 72% in Atomic and Molecular Physics, and Optics
Roger A. Hajjar

What does Roger A. Hajjar research?

Roger A. Hajjar's work is mostly in Physics and Astronomy (33%), Engineering (31%), Materials Science (26%).

Physical Sciences: 16 works · 89.8% of their workPhysics and Astronomy: 6 works · 32.7% of their workAtomic and Molecular Physics, and Optics: 5 works · 28.6% of their workCondensed Matter Physics: 1 works · 4.1% of their workEngineering: 6 works · 30.6% of their workElectrical and Electronic Engineering: 5 works · 26.5% of their workMedia Technology: 1 works · 4.1% of their workMaterials Science: 5 works · 26.5% of their workElectronic, Optical and Magnetic Materials: 4 works · 20.4% of their workMaterials Chemistry: 1 works · 6.1% of their workEverything else: 2 works · 10.2% of their workTHEIR WORKRoger A. Hajjar18works
Physical Sciences90%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Physics and Astronomy632.7%
    2. Engineering630.6%
    3. Materials Science526.5%
  2. Everything else210.2%
  1. 1Atomic and Molecular Physics, and Optics29% of their works
  2. 2Electrical and Electronic Engineering26% of their works
  3. 3Electronic, Optical and Magnetic Materials20% of their works
  4. 4Materials Chemistry6% of their works
  5. 5Media Technology4% of their works
  6. 6Condensed Matter Physics4% of their works

Research topics

Which keywords describe Roger A. Hajjar's research?

The keywords of their largest research topics: Magneto-Optical, Skyrmions, Spintronics, Waveguide Isolators, Magnetic Materials, Magnetostriction, Non-Volatile Memory and Phase Change Materials.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 16 words, with their numbers
  1. Magneto-Optical111 topic
  2. Skyrmions111 topic
  3. Spintronics111 topic
  4. Waveguide Isolators111 topic
  5. Magnetic Materials81 topic
  6. Magnetostriction81 topic
  7. Non-Volatile Memory31 topic
  8. Phase Change Materials31 topic
  9. Critical Phenomena21 topic
  10. Holographic Displays21 topic
  11. Phase Transitions21 topic
  12. Stereoscopic Displays21 topic
  13. Interaction Techniques11 topic
  14. Near-Field Optical Microscopy11 topic
  15. Photonic Nanojets11 topic
  16. Tangible User Interfaces11 topic

Where does Roger A. Hajjar work?

Roger A. Hajjar's main affiliation in the publication record is University of Arizona, United States.

How many publications and citations does Roger A. Hajjar have?

OpenAlex counts 18 works and 153 citations for Roger A. Hajjar, an h-index of 8, ranking #6,878,996 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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