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您的检索式：作者名="Ashraful Azam"
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| 1 | Study on the Abundance and Infestation of Blowfly During Drying of Fish in the Coastal Area of Bangladesh显示文摘 | Mohammed Ashraful Azam Khan Yusuf Sharif Ahmed Khan | 2002 | Journal of Biological Sciences2002，2，7： | 1 |
| 2 | Insight into the growth behaviors of MoS_(2)nanograins influenced by step edges and atomic structure of the substrate显示文摘The step edges and intrinsic atomic structure of single-crystal substrate play a critical role in determining the growth pathways of transition metal dichalcogenide(TMD)grains,particularly whether the TMDs will grow into wafer-scale single-crystal or anisotropic nanoribbons.Hereby,we investigate the growth behaviours of the MoS_(2)nanograins on(0001)and()sapphire substrates.On one hand,the step edges formed on the(0001)surface after thermal treatment are found to promote the macroscopic aggregation of MoS_(2)nanograins and to form unidirectional large triangular islands along with the<>steps in the annealing process,while on the pristine(0001)surface,the MoS_(2)nanograins grow into a random network-like pattern.Moreover,oxygen treatment on the substrate can further enhance the growth of MoS_(2)nanograins.Transmission electron microscopy and fast Fourier transform patterns reveal that the substrate could modulate the orientation of MoS_(2)nanograins during their growing process.On the other hand,the MoS_(2)nanograins on the surface could self-assemble into one-dimensional nanoribbons due to the strong structural anisotropy of the substrate.In addition,the ratio of Raman intensities for peaks that correspond to the and A1g phonon modes shows a linear relationship with the grain size due to the change of the“phonon confinement”.Moreover,new peaks located at 226 and 280 cm−1 can be observed in the off-resonant and resonant Raman spectra for the MoS_(2)nanograin samples,respectively,which can be attributed to the scatterings from the edges of as-fabricated MoS_(2)nanostructures. | Shuangyue Wang Ni Yang Mengyao Li Ji Zhang Ashraful Azam Yin Yao Xiaotao Zu Liang Qiao Peter Reece John Stride Jack Yang Sean Li | 2022 | Nano Research2022，15，8： | 0 |
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