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  • 1 Similar Profiles
Transmission electron microscopy Engineering & Materials Science
Phase transitions Engineering & Materials Science
Perovskite Engineering & Materials Science
Ferroelectric materials Engineering & Materials Science
transmission electron microscopy Physics & Astronomy
Electron diffraction Engineering & Materials Science
Temperature Engineering & Materials Science
electron diffraction Physics & Astronomy

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Research Output 1978 2019

  • 1145 Citations
  • 15 h-Index
  • 130 Article
  • 22 Conference contribution
  • 6 Chapter

Effect of Ca doping on modulated structures in multiferroic Bi1−xCaxFeO3

Hiroyama, T., Hirata, A., Inoue, Y., Horibe, Y. & Koyama, Y., 2019 Jan 1, In : journal of the physical society of japan. 88, 5, 054601.

Research output: Contribution to journalArticle

antiphase boundaries
room temperature
diffraction patterns
electron diffraction
modulation

Crystallographic features of the approximant H (Mn7Si2V) phase in the Mn–Si–V alloy system

Nakayama, K., Komatsuzaki, T. & Koyama, Y., 2018 Jul 13, In : Philosophical Magazine. 98, 20, p. 1823-1847 25 p.

Research output: Contribution to journalArticle

plane waves
disorders
intermetallics
transmission electron microscopy
matrices

Crystallographic relationship between the ¯ (Mn82Si18) and H (Mn7Si2V) phases in the Mn-Si-V alloy system

Nakayama, K., Kurihara, D. & Koyama, Y., 2018 Jan 1, In : Materials Transactions. 59, 7, p. 1051-1056 6 p.

Research output: Contribution to journalArticle

Quasicrystals
Phase shift
Intermetallics
Crystal structure
Transmission electron microscopy
1 Citation (Scopus)

Features of the ferroelectric tetragonal state in the simple-perovskite mixed-oxide system (1-x)Pb(Sc1/2Nb1/2)O3-xPbTiO3

Tsukasaki, H., Tateishi, A. & Koyama, Y., 2018 Mar 1, In : Journal of the Ceramic Society of Japan. 126, 3, p. 170-177 8 p.

Research output: Contribution to journalArticle

mixed oxides
Perovskite
Oxides
Ferroelectric materials
transmission electron microscopy

Possible nucleus of the Bergman cluster in the Zn–Mg–Y alloy system

Nakayama, K., Nakagawa, M. & Koyama, Y., 2018 Jan 22, In : Philosophical Magazine. 98, 3, p. 219-236 18 p.

Research output: Contribution to journalArticle

nuclei
intermetallics
assembly
transmission electron microscopy