Ankit Raj, Ph.D. Postdoctoral Researcher

Education and Professional Experience

Invited talks

1. Ankit Raj, Henryk A. Witek, Hiro-o Hamaguchi, "Accurate wavenumber and intensity calibration for standardization of Raman Spectroscopy", 7th Asian Spectroscopy Conference (Online), NTU, Singapore 2020.
   
2. Ankit Raj, Henryk A. Witek, Hiro-o Hamaguchi, "Determination of accurate Raman cross-sections of fundamental organic molecules for absolutely quantitative Raman spectroscopy", 7th ICOPVS, BARC, Mumbai 2019.
   

Academic visits

1. Discussion on research collaboration and experiments on novel compounds (March, 2022) BHU, Varanasi, India.
   
2. Experiments on rotational Raman spectroscopy of hydrogen (June, 2015) University of Tsukuba, Japan

Publications

1. Raj, A., Chao, Y.-B., & Witek, H. A. (2022). Testing the limitations of harmonic approximation in the determination of raman intensities. Molecular Physics, e206961.
2. Raj, A., Chen, Y.-J., Wang, C.-L., & Hamaguchi, H. (2022). Raman spectra and structure of hydrogen-bonded water oligomers in tetrahydrofuran: H2O binary solutions. Journal of Raman Spectroscopy.
3. Chang, H.-Y., Wu, K.-Y., Chen, W.-C., Weng, J.-T., Chen, C.-Y., Raj, A., Hamaguchi, H., Chuang, W.T., Wang, X. & Wang, C.-L. (2021). Water-Induced Self-Assembly of Amphiphilic Discotic Molecules for Adaptive Artificial Water Channels. ACS Nano, 15, 14885-14890.
4. Raj, A., Witek, H. A., & Hamaguchi, H. (2021). Accurate intensity calibration of multichannel spectrometers using Raman intensity ratios. Journal of Raman Spectroscopy, 52, 1032-1047.
5. Raj, A., Witek, H. A., & Hamaguchi, H. (2021). Determination of accurate absolute Raman cross-sections of benzene and cyclohexane in the gas phase. Asian Journal of Physics, 30, 321–335.
6. Raj, A., Witek, H. A., & Hamaguchi, H. (2021). Evaluating stability of a Raman spectrometer for long-time experiments. Journal of Raman Spectroscopy.
7. Tiwari, M. K., Verma, A., Monika, Raj, A., & Saha, S. (2021). Synthesis, structural, thermal, photophysical and vibrational spectroscopic studies of potassium-polynitrile based 3D coordination polymer. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy.
8. Chang, W.-C., Raj, A., Hiramatsu, H., Li, H.-J., Ziegler, M. S., Lin, Y., ... Liu, H.-J. (2020). Linear, mixed-valent homocatenated tri-tin complexes featuring sn–sn bonds. Chemical Communications.
9. Raj, A., Kato, C., Witek, H. A., & Hamaguchi, H. (2020). Toward standardization of raman spectroscopy: Accurate wavenumber and intensity calibration using rotational raman spectra of H2, HD, D2, and vibration–rotation spectrum of O2. Journal of Raman Spectroscopy.
10. Yang, Y., Chen, C. Y., Liu, D. P., Raj, A., Hamaguchi, H., Qiu, H. B., ... Wang, X. S. (2020). Vesicular membrane with structured interstitial water. The Journal of Physical Chemistry B, 124(41), 9239–9245.
11. Yang, Y., Zhang, H., Chen, C.-Y., Liu, D. P., Raj, A., Hamaguchi, H., ... Wang, X. S. (2020). Water-mediated through-space-conjugation of aromatic groups for stimuli-responsive photoluminescence. Giant, 3, 100028.
12. Raj, A., Witek, H. A., & Hamaguchi, H. (2019). Vibration–rotation interactions in H2, HD and D2 : Centrifugal distortion factors and the derivatives of polarisability invariants. Molecular Physics, 118(5), e1632950.
13. Raj, A., H.Hamaguchi, & Witek, H. A. (2018). Polarizability tensor invariants of H2, HD and D2. The Journal of Chemical Physics, 148(10), 104308.