Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers

Aims & Scope

The Japanese Journal of Applied Physics (JJAP) is an international journal for the advancement and dissemination of knowledge in all fields of applied physics.

JJAP is a sister journal of the Applied Physics Express (APEX) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).

JJAP publishes articles that significantly contribute to the advancements in the applications of physical principles as well as in the understanding of physics in view of particular applications in mind.

Subjects covered by JJAP include the following fields: Semiconductors, dielectrics, and organic materials Photonics, quantum electronics, optics, and spectroscopy Spintronics, superconductivity, and strongly correlated materials Device physics including quantum information processing Physics-based circuits and systems Nanoscale science and technology Crystal growth, surfaces, interfaces, thin films, and bulk materials Plasmas, applied atomic and molecular physics, and applied nuclear physics Device processing, fabrication and measurement technologies, and instrumentation Cross-disciplinary areas such as bioelectronics/photonics, biosensing, environmental/energy technologies, and MEMS

View Aims & Scope

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Metrics & Ranking

Impact Factor

Year	Value
2025	1.8
2024	1.50

Journal Rank

Year	Value
2024	16964

Journal Citation Indicator

Year	Value
2024	3289

SJR (SCImago Journal Rank)

Year	Value
2024	0.290

Quartile

Year	Value
2024	Q3

h-index

Year	Value
2024	183

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Abstracting & Indexing

Journal is indexed in leading academic databases, ensuring global visibility and accessibility of our peer-reviewed research.

• Scopus
• Google Scholar
• Web of Science

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Subjects & Keywords

Journal’s research areas, covering key disciplines and specialized sub-topics in Engineering and Physics and Astronomy, designed to support cutting-edge academic discovery.

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Most Cited Articles

The Most Cited Articles section features the journal's most impactful research, based on citation counts. These articles have been referenced frequently by other researchers, indicating their significant contribution to their respective fields.

• A New High-T_c Oxide Superconductor without a Rare Earth Element

  Citation: 3040

  Authors: Hiroshi, Yoshiaki, Masao, Toshihisa

• TiO₂ Photocatalysis: A Historical Overview and Future Prospects

  Citation: 2977

  Authors: Kazuhito, Hiroshi, Akira

• InGaN-Based Multi-Quantum-Well-Structure Laser Diodes

  Citation: 2229

  Authors: Shuji, Masayuki, Shin-ichi, Naruhito, Takao, Toshio, Hiroyuki Kiyoku, Yasunobu Sugimoto

• (Bi_1/2Na_1/2)TiO₃-BaTiO₃ System for Lead-Free Piezoelectric Ceramics

  Citation: 1975

  Authors: Tadashi, Kei-ichi Maruyama, Koichiro Sakata

• Dye-Sensitized Solar Cells with Conversion Efficiency of 11.1%

  Citation: 1741

  Authors: Yasuo, Ashraful, Yuki, Ryoichi, Naoki, Liyuan

• The Piezoelectricity of Poly (vinylidene Fluoride)

  Citation: 1726

  Authors: Heiji

• P-Type Conduction in Mg-Doped GaN Treated with Low-Energy Electron Beam Irradiation (LEEBI)

  Citation: 1655

  Authors: Hiroshi, Masahiro, Kazumasa, Isamu

• High-Brightness InGaN Blue, Green and Yellow Light-Emitting Diodes with Quantum Well Structures

  Citation: 1343

  Authors: Shuji, Masayuki, Naruhito, Shin-ichi Nagahama

• GaInNAs: A Novel Material for Long-Wavelength-Range Laser Diodes with Excellent High-Temperature Performance

  Citation: 1229

  Authors: Masahiko, Kazuhisa, Atsuko, Takeshi, Seiji, Yoshiaki

• GaN Growth Using GaN Buffer Layer

  Citation: 1178

  Authors: Shuji Nakamura

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