Hitoshi Morioka

2.5k total citations · 1 hit paper
76 papers, 2.1k citations indexed

About

Hitoshi Morioka is a scholar working on Materials Chemistry, Biomedical Engineering and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, Hitoshi Morioka has authored 76 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 54 papers in Materials Chemistry, 34 papers in Biomedical Engineering and 31 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in Hitoshi Morioka's work include Ferroelectric and Piezoelectric Materials (50 papers), Acoustic Wave Resonator Technologies (32 papers) and Multiferroics and related materials (29 papers). Hitoshi Morioka is often cited by papers focused on Ferroelectric and Piezoelectric Materials (50 papers), Acoustic Wave Resonator Technologies (32 papers) and Multiferroics and related materials (29 papers). Hitoshi Morioka collaborates with scholars based in Japan, United States and Switzerland. Hitoshi Morioka's co-authors include Hiroshi Funakubo, Hiroshi Kato, T Torigoe, Keisuke Saito, Akihisa Takasaki, Katsunori Shimamura, Hiroshi Tamura, Shintaro Yokoyama, Toshiaki Taketani and Norihiro Sugino and has published in prestigious journals such as ACS Nano, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

Hitoshi Morioka

74 papers receiving 2.0k 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.

Oxidative stress impairs oocyte quality and melatonin protects oocytes from free radical damage and improves fertilization rate

2007 555 citations Hiroshi Tamura, Akihisa Takasaki et al. Journal of Pineal Research profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Hitoshi Morioka Japan	24	839	470	461	440	381	76	2.1k
Shen Yan China	12	225 0.3×	80 0.2×	108 0.2×	353 0.8×	640 1.7×	23	1.3k
David F. Albertini United States	37	413 0.5×	181 0.4×	236 0.5×	1.3k 2.9×	2.3k 6.1×	93	4.1k
Xiaojin He China	25	141 0.2×	55 0.1×	97 0.2×	882 2.0×	659 1.7×	118	1.9k
Ryo Yamaguchi Japan	18	124 0.1×	54 0.1×	124 0.3×	355 0.8×	311 0.8×	157	1.5k
Toshitaka Horiuchi Japan	25	265 0.3×	43 0.1×	47 0.1×	890 2.0×	1.2k 3.1×	80	1.8k
Yoshihiro Morita Japan	23	298 0.4×	24 0.1×	134 0.3×	186 0.4×	106 0.3×	95	1.7k
Zhiyuan Li China	24	451 0.5×	645 1.4×	455 1.0×	8 0.0×	72 0.2×	70	2.1k
Wenzhi Li China	21	480 0.6×	37 0.1×	123 0.3×	58 0.1×	80 0.2×	127	1.5k
Shangfeng Liu China	23	151 0.2×	149 0.3×	161 0.3×	58 0.1×	46 0.1×	107	1.8k
Todd C. Pappas United States	16	193 0.2×	28 0.1×	281 0.6×	160 0.4×	45 0.1×	39	2.0k

Countries citing papers authored by Hitoshi Morioka

Since Specialization

Citations

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

Fields of papers citing papers by Hitoshi Morioka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Hitoshi Morioka. 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 Hitoshi Morioka. The network helps show where Hitoshi Morioka may publish in the future.

Co-authorship network of co-authors of Hitoshi Morioka

This figure shows the co-authorship network connecting the top 25 collaborators of Hitoshi Morioka. A scholar is included among the top collaborators of Hitoshi Morioka 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 Hitoshi Morioka. Hitoshi Morioka 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

Ehara, Yoshitaka, et al.. (2025). Direct observation of pulse poling effect on reversible 90° domain wall motion in tetragonal Pb(Zr,Ti)O<sub>3</sub> thin films. Journal of the Ceramic Society of Japan. 133(9). 542–547.

Yudin, P. V., Osami Sakata, Hitoshi Morioka, et al.. (2024). Novel Route for Enhancing Piezoelectricity of Ferroelectric Films: Controlling Nontrivial Polarization States in Pb(Zr, Ti)O₃ Monodomain Superlattice Structure. ACS Applied Materials & Interfaces. 16(13). 16145–16151. 1 indexed citations

Ehara, Yoshitaka, Hitoshi Morioka, Takeshi Kobayashi, et al.. (2022). In-situ observation of reversible 90°-domain switching in Pb(Zr, Ti)O ₃ films for microcantilever structure. Japanese Journal of Applied Physics. 61(SN). SN1025–SN1025. 1 indexed citations

Naganuma, Hiroshi, Masahiko Nishijima, Shintaro Yasui, et al.. (2022). Unveiling a Chemisorbed Crystallographically Heterogeneous Graphene/L1₀-FePd Interface with a Robust and Perpendicular Orbital Moment. ACS Nano. 16(3). 4139–4151. 13 indexed citations

Kadoya, Yutaka, et al.. (2016). Effect of thermal annealing on the crystallization of low-temperature-grown In_0.42Ga_0.58As on InP substrate. Japanese Journal of Applied Physics. 55(11). 110313–110313. 1 indexed citations

Morioka, Hitoshi, et al.. (2015). Suppressed polar distortion with enhanced Curie temperature in in-plane 90°-domain structure of a-axis oriented PbTiO3 Film. Applied Physics Letters. 106(4). 31 indexed citations

Ehara, Yoshitaka, Mutsuo Ishikawa, Hitoshi Morioka, et al.. (2013). Small-strain (100)/(001)-oriented epitaxial PbTiO₃ films with film thickness ranging from nano- to micrometer order grown on (100)CaF₂ substrates by metal organic chemical vapor deposition. Journal of materials research/Pratt's guide to venture capital sources. 28(5). 696–701. 7 indexed citations

Takasaki, Akihisa, Hiroshi Tamura, Toshiaki Taketani, et al.. (2013). A pilot study to prevent a thin endometrium in patients undergoing clomiphene citrate treatment. Journal of Ovarian Research. 6(1). 94–94. 16 indexed citations

Takasaki, Akihisa, Isao Tamura, Fumie Kizuka, et al.. (2011). Luteal blood flow in patients undergoing GnRH agonist long protocol. Journal of Ovarian Research. 4(1). 2–2. 3 indexed citations

10.

Sakamoto, Wataru, Hiroshi Maiwa, Hitoshi Morioka, et al.. (2010). Growth and properties of highly oriented lead-free Mn-doped NaNbO3–BaTiO3 piezoelectric thin films prepared by chemical solution deposition. Journal of Crystal Growth. 318(1). 879–883. 9 indexed citations

11.

Takasaki, Akihisa, Hiroshi Tamura, Ken Taniguchi, et al.. (2009). Luteal blood flow and luteal function. Journal of Ovarian Research. 2(1). 1–1. 53 indexed citations

12.

Morioka, Hitoshi, et al.. (2009). Impact of 90°-Domain Wall Motion in Pb(Zr_0.43Ti_0.57)O₃Film on the Ferroelectricity Induced by an Applied Electric Field. Applied Physics Express. 2. 41401–41401. 9 indexed citations

13.

Morioka, Hitoshi, et al.. (2009). Effect of film thickness on ferroelectric domain structure and properties of Pb(Zr0.35Ti0.65)O3/SrRuO3/SrTiO3 heterostructures. Journal of Materials Science. 44(19). 5318–5324. 8 indexed citations

14.

Tamura, Hiroshi, Akihisa Takasaki, Ichiro Miwa, et al.. (2007). Oxidative stress impairs oocyte quality and melatonin protects oocytes from free radical damage and improves fertilization rate. Journal of Pineal Research. 44(3). 280–287. 555 indexed citations breakdown →

15.

Kawauchi, Shigeto, Hitoshi Morioka, Yasuyo Chochi, et al.. (2005). Large cell neuroendocrine carcinoma of the uterine cervix with cytogenetic analysis by comparative genomic hybridization: a case study. Human Pathology. 36(10). 1096–1100. 8 indexed citations

16.

Kim, Yong Kwan, Hitoshi Morioka, Risako Ueno, Shintaro Yokoyama, & Hiroshi Funakubo. (2005). Domain structure control of (001)∕(100)-oriented epitaxial Pb(Zr,Ti)O3 films grown on (100)cSrRuO3∕(100)SrTiO3 substrates. Applied Physics Letters. 86(21). 24 indexed citations

17.

Takasaki, Akihisa, Yasuhiko Nakamura, Hiroshi Tamura, Katsunori Shimamura, & Hitoshi Morioka. (2003). Melatonin as a new drug for improving oocyte quality. Reproductive Medicine and Biology. 2(4). 139–144. 39 indexed citations

18.

Yokoyama, Shintaro, Hitoshi Morioka, Takahiro Oikawa, et al.. (2003). Compositional Dependence of Electrical Properties of Highly (100)-/(001)-Oriented Pb(Zr,Ti)O₃Thick Films Prepared on Si Substrates by Metalorganic Chemical Vapor Deposition. Japanese Journal of Applied Physics. 42(Part 1, No. 9B). 5922–5926. 18 indexed citations

19.

Suehiro, Yutaka, et al.. (2000). Genetic aberrations detected by comparative genomic hybridization predict outcome in patients with endometrioid carcinoma. Genes Chromosomes and Cancer. 29(1). 75–82. 45 indexed citations

20.

Morioka, Hitoshi. (1980). Tumor‐Antigen (TA‐4) of Squamous Cell Carcinomaits Tissue Distribution and its Relationship to Serum TA‐4 Concentrations. Asia-Oceania Journal of Obstetrics and Gynaecology. 6(1). 91–97. 32 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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