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  • Ashish Atma Chainani

A model for doping-dependent magnetic frustration and ordering in a triangular lattice

Sheshadri, K. & Chainani, A. A., 2013 Oct 1, In : EPL. 104, 2, 27007.

Research output: Contribution to journalArticle

Angle-resolved photoemission study on the superconducting iron-pnictides of BaFe 2(As,P) 2 with low energy photons

Shimojima, T., Sakaguchi, F., Ishizaka, K., Ishida, Y., Malaeb, W., Yoshida, T., Ideta, S., Fujimori, A., Kiss, T., Okawa, M., Togashi, T., Chen, C. T., Watanabe, S., Nakashima, Y., Ino, A., Anzai, H., Arita, M., Shimada, K., Namatame, H., Taniguchi, M. & 12 others, Kasahara, S., Terashima, T., Shibauchi, T., Matsuda, Y., Nakajima, M., Uchida, S., Kihou, K., Lee, C. H., Iyo, A., Eisaki, H., Chainani, A. & Shin, S., 2012 Apr 1, In : Solid State Communications. 152, 8, p. 695-700 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

A submicron soft x-ray active grating monochromator beamline for ultra-high resolution angle-resolved photoemission spectroscopy

Tsai, H. M., Fu, H. W., Kuo, C. Y., Huang, L. J., Lee, C. S., Hua, C. Y., Kao, K. Y., Lin, H. J., Fung, H. S., Chung, S. C., Chang, C. F., Chainani, A., Tjeng, L. H. & Chen, C. T., 2019 Jan 15, Proceedings of the 13th International Conference on Synchrotron Radiation Instrumentation, SRI 2018. Gwo, S., Chuang, T-H., Lee, Y-C., Chainani, A. A., Chuang, Y-C., Wang, C-C., Huang, D-J., Wei, D-H., Luo, G-H., Lee, J-F., Lin, H-J., Ying, G-C., Cheng, C-M., Lin, J-M., Chen, J-M., Chou, P-J., Huang, C-S., Yang, Y-W., Jeng, U-S., Kuo, C-C., Sheu, H-S., Chung, S-C., Lau, W-K., Lee, H-Y. & Tang, M-T. (eds.). American Institute of Physics Inc., 060047. (AIP Conference Proceedings; vol. 2054).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
2 Citations (Scopus)

Band structure and Fermi surfaces of the reentrant ferromagnetic superconductor Eu(Fe0.86Ir0.14)2As2

Xing, S., Mansart, J., Brouet, V., Sicot, M., Fagot-Revurat, Y., Kierren, B., Le Fèvre, P., Bertran, F., Rault, J. E., Paramanik, U. B., Hossain, Z., Chainani, A. & Malterre, D., 2017 Nov 16, In : Physical Review B. 96, 17, 174513.

Research output: Contribution to journalArticle

Correlation effects, circular dichroism, and Fermi surfaces of bulk nickel from soft x-ray angle-resolved photoemission

Braun, J., Minár, J., Ebert, H., Chainani, A. A., Miyawaki, J., Takata, Y., Taguchi, M., Oura, M. & Shin, S., 2012 Apr 5, In : Physical Review B - Condensed Matter and Materials Physics. 85, 16, 165105.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Coulomb Correlations Intertwined with Spin and Orbital Excitations in LaCoO3

Tomiyasu, K., Okamoto, J., Huang, H. Y., Chen, Z. Y., Sinaga, E. P., Wu, W. B., Chu, Y. Y., Singh, A., Wang, R. P., De Groot, F. M. F., Chainani, A., Ishihara, S., Chen, C. T. & Huang, D. J., 2017 Nov 7, In : Physical review letters. 119, 19, 196402.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Development of a single-shot CCD-based data acquisition system for time-resolved X-ray photoelectron spectroscopy at an X-ray free-electron laser facility

Oura, M., Wagai, T., Chainani, A., Miyawaki, J., Sato, H., Matsunami, M., Eguchi, R., Kiss, T., Yamaguchi, T., Nakatani, Y., Togashi, T., Katayama, T., Ogawa, K., Yabashi, M., Tanaka, Y., Kohmura, Y., Tamasaku, K., Shin, S. & Ishikawa, T., 2014 Jan 1, In : Journal of Synchrotron Radiation. 21, 1, p. 183-192 10 p.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Dimensionality reduction and band quantization induced by potassium intercalation in 1T-HfTe2

Nakata, Y., Sugawara, K., Chainani, A., Yamauchi, K., Nakayama, K., Souma, S., Chuang, P. Y., Cheng, C. M., Oguchi, T., Ueno, K., Takahashi, T. & Sato, T., 2019 Jul 10, In : Physical Review Materials. 3, 7, 071001.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Electronic structure evolution across the peierls metal-insulator transition in a correlated ferromagnet

Bhobe, P. A., Kumar, A., Taguchi, M., Eguchi, R., Matsunami, M., Takata, Y., Nandy, A. K., Mahadevan, P., Sarma, D. D., Neroni, A., Şaşioğlu, E., Ležaić, M., Oura, M., Senba, Y., Ohashi, H., Ishizaka, K., Okawa, M., Shin, S., Tamasaku, K., Kohmura, Y. & 6 others, Yabashi, M., Ishikawa, T., Hasegawa, K., Isobe, M., Ueda, Y. & Chainani, A., 2015 Jan 1, In : Physical Review X. 5, 4, 041004.

Research output: Contribution to journalArticle

Open Access
7 Citations (Scopus)

Electronic structure investigation of a charge density wave coupled to a metal-to-metal transition in Ce3Co4Sn13

Singh, A., Huang, H. Y., Chin, Y. Y., Liao, Y. F., Huang, T. C., Okamoto, J., Wu, W. B., Lin, H. J., Tsuei, K. D., Wang, R. P., De Groot, F. M. F., Kuo, C. N., Liu, H. F., Lue, C. S., Chen, C. T., Huang, D. J. & Chainani, A., 2018 Dec 18, In : Physical Review B. 98, 23, 235136.

Research output: Contribution to journalArticle

Electronic structure of an antiferromagnetic metal: CaCrO3

Bhobe, P. A., Chainani, A., Taguchi, M., Eguchi, R., Matsunami, M., Ohtsuki, T., Ishizaka, K., Okawa, M., Oura, M., Senba, Y., Ohashi, H., Isobe, M., Ueda, Y. & Shin, S., 2011 Apr 29, In : Physical Review B - Condensed Matter and Materials Physics. 83, 16, 165132.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Electronic structure of CeCuAs2

Chainani, A. A., Matsunami, M., Taguchi, M., Eguchi, R., Takata, Y., Oura, M., Shin, S., Sengupta, K., Sampathkumaran, E. V., Doert, T., Senba, Y., Ohashi, H., Tamasaku, K., Kohmura, Y., Yabashi, M. & Ishikawa, T., 2014 Jun 17, In : Physical Review B - Condensed Matter and Materials Physics. 89, 23, 235117.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Electronic structure of FeO, γ-Fe2 O3, and Fe3 O4 epitaxial films using high-energy spectroscopies

Rubio-Zuazo, J., Chainani, A., Taguchi, M., Malterre, D., Serrano, A. & Castro, G. R., 2018 Jun 27, In : Physical Review B. 97, 23, 235148.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Electronic structure of LaTe and CeTe

Chainani, A. A., Oura, M., Matsunami, M., Ochiai, A., Takahashi, T., Tanaka, Y., Tamasaku, K., Kohmura, Y. & Ishikawa, T., 2016 Apr 1, In : Journal of Electron Spectroscopy and Related Phenomena. 208, p. 116-120 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Erratum: Existence of orbital order and its fluctuation in superconducting Ba (Fe1-xCox) 2 As 2 single crystals revealed by X-ray absorption spectroscopy (Physical Review Letters (2013) 111 (217001))

Kim, Y. K., Jung, W. S., Han, G. R., Choi, K. Y., Chen, C. C., Devereaux, T. P., Chainani, A., Miyawaki, J., Takata, Y., Tanaka, Y., Oura, M., Shin, S., Singh, A. P., Lee, H. G., Kim, J. Y. & Kim, C., 2014 Jan 7, In : Physical review letters. 112, 1, 019903.

Research output: Contribution to journalComment/debate

Erratum: Right handed or left handed? Forbidden X-ray diffraction reveals chirality (Physical Review Letters (2008) 100 (145502))

Tanaka, Y., Takeuchi, T., Lovesey, S. W., Knight, K. S., Chainani, A. A., Takata, Y., Oura, M., Senba, Y., Ohashi, H. & Shin, S., 2012 Jan 3, In : Physical review letters. 108, 1, 019901.

Research output: Contribution to journalComment/debate

5 Citations (Scopus)

Erratum: Determination of structural chirality of berlinite and quartz using resonant x-ray diffraction with circularly polarized x-rays (Physical Review B - Condensed Matter and Materials Physics (2010) 81 (144104))

Tanaka, Y., Kojima, T., Takata, Y., Chainani, A. A., Lovesey, S. W., Knight, K. S., Takeuchi, T., Oura, M., Senba, Y., Ohashi, H. & Shin, S., 2011 Dec 16, In : Physical Review B - Condensed Matter and Materials Physics. 84, 21, 219905.

Research output: Contribution to journalComment/debate

4 Citations (Scopus)

Evidence for a cos (4φ) modulation of the superconducting energy gap of optimally doped FeTe0.6Se0.4 single crystals using laser angle-resolved photoemission spectroscopy

Okazaki, K., Ito, Y., Ota, Y., Kotani, Y., Shimojima, T., Kiss, T., Watanabe, S., Chen, C. T., Niitaka, S., Hanaguri, T., Takagi, H., Chainani, A. & Shin, S., 2012 Dec 6, In : Physical review letters. 109, 23, 237011.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Evidence for Weakly Correlated Oxygen Holes in the Highest- Tc Cuprate Superconductor HgBa2Ca2Cu3 O8+δ

Chainani, A., Sicot, M., Fagot-Revurat, Y., Vasseur, G., Granet, J., Kierren, B., Moreau, L., Oura, M., Yamamoto, A., Tokura, Y. & Malterre, D., 2017 Jul 31, In : Physical review letters. 119, 5, 057001.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Existence of orbital order and its fluctuation in superconducting Ba(Fe1-xCox)2As2 single crystals revealed by x-ray absorption spectroscopy

Kim, Y. K., Jung, W. S., Han, G. R., Choi, K. Y., Kim, K. H., Chen, C. C., Devereaux, T. P., Chainani, A., Miyawaki, J., Takata, Y., Tanaka, Y., Oura, M., Shin, S., Singh, A. P., Lee, H. G., Kim, J. Y. & Kim, C., 2013 Nov 19, In : Physical review letters. 111, 21, 217001.

Research output: Contribution to journalArticle

35 Citations (Scopus)

Femtosecond time-resolved HAXPES

Oloff, L. P., Oura, M., Chainani, A. & Rossnagel, K., 2016 Jan 1, Springer Series in Surface Sciences. Springer Verlag, p. 555-568 14 p. (Springer Series in Surface Sciences; vol. 59).

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Hard X-ray photoelectron spectroscopy: A few recent applications

Taguchi, M., Takata, Y. & Chainani, A., 2013 Oct 1, In : Journal of Electron Spectroscopy and Related Phenomena. 190, PART B, p. 242-248 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Jahn-Teller distortion driven magnetic polarons in magnetite

Huang, H. Y., Chen, Z. Y., Wang, R. P., De Groot, F. M. F., Wu, W. B., Okamoto, J., Chainani, A., Singh, A., Li, Z. Y., Zhou, J. S., Jeng, H. T., Guo, G. Y., Park, J. G., Tjeng, L. H., Chen, C. T. & Huang, D. J., 2017 Jun 29, In : Nature communications. 8, 15929.

Research output: Contribution to journalArticle

Open Access
27 Citations (Scopus)

Journal of Electron Spectroscopy and Related Phenomena: Preface

Chainani, A. A., Karis, O., Maiti, K. & Barman, S. R., 2016 Apr 1, In : Journal of Electron Spectroscopy and Related Phenomena. 208, 1 p.

Research output: Contribution to journalEditorial

Kondo resonance in PrTi2Al20: Photoemission spectroscopy and single-impurity Anderson model calculations

Matsunami, M., Taguchi, M., Chainani, A. A., Eguchi, R., Oura, M., Sakai, A., Nakatsuji, S. & Shin, S., 2011 Nov 7, In : Physical Review B - Condensed Matter and Materials Physics. 84, 19, 193101.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Local spin moments, valency, and long-range magnetic order in monocrystalline and ultrathin films of Y3Fe5 O12 garnet

Chin, Y. Y., Lin, H. J., Liao, Y. F., Wang, W. C., Wang, P., Wu, D., Singh, A., Huang, H. Y., Chu, Y. Y., Huang, D. J., Tsuei, K. D., Chen, C. T., Tanaka, A. & Chainani, A., 2019 May 9, In : Physical Review B. 99, 18, 184407.

Research output: Contribution to journalArticle

Observation of quadrupole helix chirality and its domain structure in DyFe3(BO3)4

Usui, T., Tanaka, Y., Nakajima, H., Taguchi, M., Chainani, A., Oura, M., Shin, S., Katayama, N., Sawa, H., Wakabayashi, Y. & Kimura, T., 2014 Jun, In : Nature Materials. 13, 6, p. 611-618 8 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Octet-line node structure of superconducting order parameter in KFe 2As2

Okazaki, K., Ota, Y., Kotani, Y., Malaeb, W., Ishida, Y., Shimojima, T., Kiss, T., Watanabe, S., Chen, C. T., Kihou, K., Lee, C. H., Iyo, A., Eisaki, H., Saito, T., Fukazawa, H., Kohori, Y., Hashimoto, K., Shibauchi, T., Matsuda, Y., Ikeda, H. & 4 others, Miyahara, H., Arita, R., Chainani, A. A. & Shin, S., 2012 Sep 14, In : Science. 337, 6100, p. 1314-1317 4 p.

Research output: Contribution to journalArticle

167 Citations (Scopus)

Orbital characters of three-dimensional Fermi surfaces in Eu 2-xSr xNiO 4 as probed by soft-x-ray angle-resolved photoemission spectroscopy

Uchida, M., Ishizaka, K., Hansmann, P., Yang, X., Sakano, M., Miyawaki, J., Arita, R., Kaneko, Y., Takata, Y., Oura, M., Toschi, A., Held, K., Chainani, A., Andersen, O. K., Shin, S. & Tokura, Y., 2011 Dec 19, In : Physical Review B - Condensed Matter and Materials Physics. 84, 24, 241109.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Orbital-independent superconducting gaps in iron pnictides

Shimojima, T., Sakaguchi, F., Ishizaka, K., Ishida, Y., Kiss, T., Okawa, M., Togashi, T., Chen, C. T., Watanabe, S., Arita, M., Shimada, K., Namatame, H., Taniguchi, M., Ohgushi, K., Kasahara, S., Terashima, T., Shibauchi, T., Matsuda, Y., Chainani, A. & Shin, S., 2011 Apr 29, In : Science. 332, 6029, p. 564-567 4 p.

Research output: Contribution to journalArticle

111 Citations (Scopus)

Photoemission evidence for valence fluctuations and Kondo resonance in YbAl 2

Matsunami, M., Chainani, A., Taguchi, M., Eguchi, R., Takata, Y., Oura, M., Yabashi, M., Tamasaku, K., Nishino, Y., Ishikawa, T., Kosaka, M. & Shin, S., 2012 Jul 1, In : Journal of the Physical Society of Japan. 81, 7, 073702.

Research output: Contribution to journalReview article

6 Citations (Scopus)

Pseudogap formation above the superconducting dome in iron pnictides

Shimojima, T., Sonobe, T., Malaeb, W., Shinada, K., Chainani, A., Shin, S., Yoshida, T., Ideta, S., Fujimori, A., Kumigashira, H., Ono, K., Nakashima, Y., Anzai, H., Arita, M., Ino, A., Namatame, H., Taniguchi, M., Nakajima, M., Uchida, S., Tomioka, Y. & 12 others, Ito, T., Kihou, K., Lee, C. H., Iyo, A., Eisaki, H., Ohgushi, K., Kasahara, S., Terashima, T., Ikeda, H., Shibauchi, T., Matsuda, Y. & Ishizaka, K., 2014 Jan 3, In : Physical Review B - Condensed Matter and Materials Physics. 89, 4, 045101.

Research output: Contribution to journalArticle

58 Citations (Scopus)

Quantifying covalency and metallicity in correlated compounds undergoing metal-insulator transitions

Chainani, A., Yamamoto, A., Matsunami, M., Eguchi, R., Taguchi, M., Takata, Y., Takagi, H., Shin, S., Nishino, Y., Yabashi, M., Tamasaku, K. & Ishikawa, T., 2013 Jan 9, In : Physical Review B - Condensed Matter and Materials Physics. 87, 4, 045108.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Quantum valence criticality in a correlated metal

Kuga, K., Matsumoto, Y., Okawa, M., Suzuki, S., Tomita, T., Sone, K., Shimura, Y., Sakakibara, T., Nishio-Hamane, D., Karaki, Y., Takata, Y., Matsunami, M., Eguchi, R., Taguchi, M., Chainani, A., Shin, S., Tamasaku, K., Nishino, Y., Yabashi, M., Ishikawa, T. & 1 others, Nakatsuji, S., 2018 Feb 23, In : Science Advances. 4, 2, eaao3547.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Quasiparticles and Fermi liquid behaviour in an organic metal

Kiss, T., Chainani, A., Yamamoto, H. M., Miyazaki, T., Akimoto, T., Shimojima, T., Ishizaka, K., Watanabe, S., Chen, C. T., Fukaya, A., Kato, R. & Shin, S., 2012 Oct 8, In : Nature communications. 3, 1089.

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Role of antisite disorder, electron-electron correlations, and a surface valence transition in the electronic structure of CeMnNi4

Sadhukhan, P., D′souza, S. W., Singh, V. K., Dhaka, R. S., Gloskovskii, A., Dhar, S. K., Raychaudhuri, P., Chainani, A., Chakrabarti, A. & Roy Barman, S., 2019 Jan 2, In : Physical Review B. 99, 3, 035102.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Role of Ti 3d carriers in mediating the ferromagnetism of CoTiO2 anatase thin films

Ohtsuki, T., Chainani, A., Eguchi, R., Matsunami, M., Takata, Y., Taguchi, M., Nishino, Y., Tamasaku, K., Yabashi, M., Ishikawa, T., Oura, M., Senba, Y., Ohashi, H. & Shin, S., 2011 Jan 25, In : Physical review letters. 106, 4, 047602.

Research output: Contribution to journalArticle

31 Citations (Scopus)

Superconductivity in an electron band just above the Fermi level: Possible route to BCS-BEC superconductivity

Okazaki, K., Ito, Y., Ota, Y., Kotani, Y., Shimojima, T., Kiss, T., Watanabe, S., Chen, C. T., Niitaka, S., Hanaguri, T., Takagi, H., Chainani, A. & Shin, S., 2014 Feb 28, In : Scientific reports. 4, 4109.

Research output: Contribution to journalArticle

Open Access
54 Citations (Scopus)

Temperature Dependence of Magnetically Active Charge Excitations in Magnetite across the Verwey Transition

Taguchi, M., Chainani, A., Ueda, S., Matsunami, M., Ishida, Y., Eguchi, R., Tsuda, S., Takata, Y., Yabashi, M., Tamasaku, K., Nishino, Y., Ishikawa, T., Daimon, H., Todo, S., Tanaka, H., Oura, M., Senba, Y., Ohashi, H. & Shin, S., 2015 Dec 17, In : Physical review letters. 115, 25, 256405.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Three-dimensional bulk band dispersion in polar BiTeI with giant Rashba-type spin splitting

Sakano, M., Miyawaki, J., Chainani, A., Takata, Y., Sonobe, T., Shimojima, T., Oura, M., Shin, S., Bahramy, M. S., Arita, R., Nagaosa, N., Murakawa, H., Kaneko, Y., Tokura, Y. & Ishizaka, K., 2012 Aug 16, In : Physical Review B - Condensed Matter and Materials Physics. 86, 8, 085204.

Research output: Contribution to journalArticle

30 Citations (Scopus)

Time-resolved HAXPES at SACLA: Probe and pump pulse-induced space-charge effects

Oloff, L. P., Oura, M., Rossnagel, K., Chainani, A. A., Matsunami, M., Eguchi, R., Kiss, T., Nakatani, Y., Yamaguchi, T., Miyawaki, J., Taguchi, M., Yamagami, K., Togashi, T., Katayama, T., Ogawa, K., Yabashi, M. & Ishikawa, T., 2014 Dec 17, In : New Journal of Physics. 16, 123045.

Research output: Contribution to journalArticle

Open Access
29 Citations (Scopus)

Time-resolved HAXPES using a microfocused XFEL beam: From vacuum space-charge effects to intrinsic charge-carrier recombination dynamics

Oloff, L. P., Chainani, A., Matsunami, M., Takahashi, K., Togashi, T., Osawa, H., Hanff, K., Quer, A., Matsushita, R., Shiraishi, R., Nagashima, M., Kimura, A., Matsuishi, K., Yabashi, M., Tanaka, Y., Rossi, G., Ishikawa, T., Rossnagel, K. & Oura, M., 2016 Oct 12, In : Scientific reports. 6, 35087.

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)