Bevel-edge epitaxy of ferroelectric rhombohedral boron nitride …
2024年5月1日 · Here we report a facile methodology using bevel-edge epitaxy to prepare centimetre-sized single-crystal rBN layers with exact interlayer ABC stacking on a vicinal …
Raman diffusion spectra of rBN (blue line) and hBN (black line ...
Download scientific diagram | Raman diffusion spectra of rBN (blue line) and hBN (black line) samples, where the phonon modes are labelled according to the irreducible representations of …
Growth and characterizations of rBN crystalline films. a) Schematic …
The FWHM of the Raman E2g mode is measured to be ≈9.0 cm⁻¹. from publication: Stacking-Controlled Growth of rBN Crystalline Films with High Nonlinear Optical Conversion Efficiency …
Controlled stacking of boron nitride layers for ferroelectric …
2024年6月26日 · Our study combined theoretical design, experimental implementation and modelling. Through theoretical calculations and subsequent analyses, we determined that a …
Raman Spectra of boron nitride. | Download Scientific Diagram
Raman peaks are associated with the lattice vibration and hence are affected by atomic bond and chemical structure of the mate- rial. Thus, stress present in the ...
Transformation of boron nitride from cubic to hexagonal under …
2020年11月1日 · Rietveld refinements show that the as-received powders contain trace amounts of rhombohedral BN (rBN), distinguished by peaks at 41.7, 44.0 and 71.7°2θ, while the …
人造铁电氮化硼晶体* - iphy.ac.cn
为 全面评估所生长rBN 薄膜的质量，采用了低能电 子衍射(LEED)、紫外—可见吸收光谱(UV-vis)、 拉曼光谱(Raman)以及X 射线光电子能谱(XPS)等 多种技术进行综合表征。
中科院物理所，今日重磅Nature！ - 知乎 - 知乎专栏
2024年5月2日 · 在二维介质家族中，菱形氮化硼(rBN)不仅具有六方氮化硼的优越性能，包括低介电常数和耗散，强电绝缘性，良好的化学稳定性，高导热性和无悬空键的原子平直性，而且还 …
Cubic-to-rhombohedral transformation in boron nitride induced …
1995年4月1日 · In both cases, cBN was shown to transform to the rhombohedral phase (rBN) above 1795±80 K with characteristic Raman peaks at 790 and 1366 cm − 1 at ambient …
中科院物理所，今日重磅Nature！|边缘|单晶|晶格|层间|铁电|斜面
2024年5月2日 · 在二维介质家族中，菱形氮化硼(rBN)不仅具有六方氮化硼的优越性能，包括低介电常数和耗散，强电绝缘性，良好的化学稳定性，高导热性和无悬空键的原子平直性，而且还 …