Veröffentlichungen "Ramakrishnan, Sitaram"

2024

Shi, Chenfei ; Liu, Yi ; Maity, Bishal Baran ; Wang, Qi ; Kotla, Surya Rohith ; Ramakrishnan, Sitaram ; Eisele, Claudio ; Agarwal, Harshit ; Noohinejad, Leila ; Tao, Qian ; Kang, Baojuan ; Lou, Zhefeng ; Yang, Xiaohui ; Qi, Yanpeng ; Lin, Xiao ; Xu, Zhu-An ; Thamizhavel, Arumugam ; Cao, Guang-Han ; van Smaalen, Sander ; Cao, Shixun ; Bao, Jin-Ke:
Annealing-induced long-range charge density wave order in magnetic kagome FeGe : Fluctuations and disordered structure.
In: Science China Physics, Mechanics & Astronomy. Bd. 67 (2024) . - 117012.
ISSN 1869-1927
DOI: https://doi.org/10.1007/s11433-024-2457-7

Ramakrishnan, Sitaram ; Kotla, Surya Rohith ; Pi, Hanqi ; Maity, Bishal Baran ; Chen, Jia ; Bao, Jin-Ke ; Guo, Zhaopeng ; Kado, Masaki ; Agarwal, Harshit ; Eisele, Claudio ; Nohara, Minoru ; Noohinejad, Leila ; Weng, Hongming ; Ramakrishnan, Srinivasan ; Thamizhavel, Arumugam ; van Smaalen, Sander:
Noncentrosymmetric, transverse structural modulation in SrAl₄, and elucidation of its origin in the BaAl₄ family of compounds.
In: Physical Review Research. Bd. 6 (2024) . - 023277.
ISSN 2643-1564
DOI: https://doi.org/10.1103/PhysRevResearch.6.023277

2023

Ramakrishnan, Sitaram ; Bao, Jinke ; Eisele, Claudio ; Patra, Bikash ; Nohara, Minoru ; Bag, Biplab ; Noohinejad, Leila ; Tolkiehn, Martin ; Paulmann, Carsten ; Schaller, Achim ; Rekis, Toms ; Kotla, Surya Rohith ; Schönleber, Andreas ; Thamizhavel, Arumugam ; Singh, Bahadur ; Ramakrishnan, Srinivasan ; van Smaalen, Sander:
Coupling between Charge Density Wave Ordering and Magnetism in Ho₂Ir₃Si₅.
In: Chemistry of Materials. Bd. 35 (2023) Heft 5 . - S. 1980-1990.
ISSN 1520-5002
DOI: https://doi.org/10.1021/acs.chemmater.2c03297

Ramakrishnan, Sitaram ; Matteppanavar, Shidaling ; Schönleber, Andreas ; Patra, Bikash ; Singh, Birender ; Thamizhavel, Arumugam ; Singh, Bahadur ; Ramakrishnan, Srinivasan ; van Smaalen, Sander:
Realization of Z₂ Topological Metal in Single-Crystalline Nickel Deficient NiV₂Se₄.
In: Annalen der Physik. Bd. 535 (2023) Heft 6 . - 2200611.
ISSN 1521-3889
DOI: https://doi.org/10.1002/andp.202200611

2022

Sasmal, Souvik ; Saini, Vikas ; Ramakrishnan, Sitaram ; Dwari, Gourav ; Maity, Bishal Baran ; Bao, Jin-Ke ; Mondal, Rajib ; Tripathi, Vikram ; van Smaalen, Sander ; Singh, Bahadur ; Thamizhavel, Arumugam:
Observation of multilayer quantum Hall effect in the charge density wave material CaCu₄As₂.
In: Physical Review Research. Bd. 4 (2022) Heft 1 . - L012011.
ISSN 2643-1564
DOI: https://doi.org/10.1103/PhysRevResearch.4.L012011

Ramakrishnan, Sitaram ; Kotla, Surya Rohith ; Rekis, Toms ; Bao, Jin-Ke ; Eisele, Claudio ; Noohinejad, Leila ; Tolkiehn, Martin ; Paulmann, Carsten ; Singh, Birender ; Verma, Rahul ; Bag, Biplab ; Kulkarni, Ruta ; Thamizhavel, Arumugam ; Singh, Bahadur ; Ramakrishnan, Srinivasan ; van Smaalen, Sander:
Orthorhombic charge density wave on the tetragonal lattice of EuAl₄.
In: IUCrJ. Bd. 9 (2022) Heft 3 . - S. 378-385.
ISSN 2052-2525
DOI: https://doi.org/10.1107/S2052252522003888

Rekis, Toms ; Ramakrishnan, Sitaram ; Kotla, Surya Rohith ; Bao, Jin-Ke ; Eisele, Claudio ; Schönleber, Andreas ; Noohinejad, Leila ; Paulmann, Carsten ; Tolkiehn, Martin ; van Smaalen, Sander:
Une étude cristallographique : superspace description of a commensurate composite cocrystal of 4,4′-dinitrobiphenyl and biphenyl.
In: CrystEngComm. Bd. 24 (2022) Heft 3 . - S. 512-517.
ISSN 1466-8033
DOI: https://doi.org/10.1039/D1CE01223A

2021

Ramakrishnan, Sitaram ; Schönleber, Andreas ; Bao, Jin-Ke ; Rekis, Toms ; Kotla, Surya Rohith ; Schaller, Achim ; van Smaalen, Sander ; Noohinejad, Leila ; Tolkiehn, Martin ; Paulmann, Carsten ; Sangeetha, N. S. ; Pal, Dilip ; Thamizhavel, Arumugam ; Ramakrishnan, Srinivasan:
Modulated crystal structure of the atypical charge density wave state of single-crystal Lu₂Ir₃Si₅.
In: Physical Review B. Bd. 104 (2021) Heft 5 . - 054116.
ISSN 0163-1829
DOI: https://doi.org/10.1103/PhysRevB.104.054116

Bao, Jin-Ke ; Zheng, Huihuo ; Wen, Jianguo ; Ramakrishnan, Sitaram ; Zheng, Hao ; Jiang, Jidong Samuel ; Bugaris, Daniel ; Cao, Gang ; Chung, Duck Young ; van Smaalen, Sander ; Kanatzidis, Mercouri G.:
Superconductivity in Y₄RuGe₈ with a Vacancy-Ordered CeNiSi₂-Type Superstructure.
In: Chemistry of Materials. Bd. 33 (2021) Heft 19 . - S. 7839-7847.
ISSN 1520-5002
DOI: https://doi.org/10.1021/acs.chemmater.1c02488

2020

Ramakrishnan, Sitaram:
Charge-density-wave ordering in three-dimensional metallic compounds.
Bayreuth , 2020 . - 168 S.
( Dissertation, 2020 , Universität Bayreuth, Fakultät für Mathematik, Physik und Informatik)
DOI: https://doi.org/10.15495/EPub_UBT_00004900

van Well, Natalija ; Ramakrishnan, Sitaram ; Beauvois, Ketty ; Qureshi, Navid ; Ressouche, Eric ; Skoulatos, Markos ; Georgii, Robert ; Zaharko, Oksana ; van Smaalen, Sander:
Magnetic‐Field‐Controlled Quantum Critical Points in the Triangular Antiferromagnetic Cs₂CuCl₄₋ₓBrₓ Mixed System.
In: Annalen der Physik. Bd. 532 (2020) Heft 7 . - 2000147.
ISSN 1521-3889
DOI: https://doi.org/10.1002/andp.202000147

Ramakrishnan, Sitaram ; Schönleber, Andreas ; Rekis, Toms ; van Well, Natalija ; Noohinejad, Leila ; van Smaalen, Sander ; Tolkiehn, Martin ; Paulmann, Carsten ; Bag, Biplab ; Thamizhavel, Arumugam ; Pal, Dilip ; Ramakrishnan, Srinivasan:
Unusual charge density wave transition and absence of magnetic ordering in Er₂Ir₃Si₅.
In: Physical Review B. Bd. 101 (2020) Heft 6 . - 060101(R).
ISSN 0163-1829
DOI: https://doi.org/10.1103/PhysRevB.101.060101

2019

Ramakrishnan, Sitaram ; Schönleber, Andreas ; Hübschle, Christian B. ; Eisele, Claudio ; Schaller, Achim ; Rekis, Toms ; Bui, Nguyen Hai An ; Feulner, Florian ; van Smaalen, Sander ; Bag, Biplab ; Ramakrishnan, Srinivasan ; Tolkiehn, Martin ; Paulmann, Carsten:
Charge density wave and lock-in transitions of CuV₂S₄.
In: Physical Review B. Bd. 99 (2019) Heft 19 . - 195140.
ISSN 0163-1829
DOI: https://doi.org/10.1103/PhysRevB.99.195140

Welsch, Johannes ; Ramakrishnan, Sitaram ; Eisele, Claudio ; van Well, Natalija ; Schönleber, Andreas ; van Smaalen, Sander ; Matteppanavar, Shidaling ; Thamizhavel, Arumugam ; Tolkiehn, Martin ; Paulmann, Carsten ; Ramakrishnan, Srinivasan:
Second-order charge-density-wave transition in single crystals of La₃Co₄Sn₁₃.
In: Physical Review Materials. Bd. 3 (2019) Heft 12 . - 125003.
ISSN 2475-9953
DOI: https://doi.org/10.1103/PhysRevMaterials.3.125003

van Well, Natalija ; Eisele, Claudio ; Ramakrishnan, Sitaram ; Shang, Tian ; Medarde, Marisa ; Cervellino, Antonio ; Skoulatos, Markos ; Georgii, Robert ; van Smaalen, Sander:
Tetragonal Mixed System Cs₂CuCl₄₋ₓBrₓ Complemented by the Tetragonal Phase Realization of Cs₂CuCl₄.
In: Crystal Growth & Design. Bd. 19 (2019) Heft 11 . - S. 6627-6635.
ISSN 1528-7505
DOI: https://doi.org/10.1021/acs.cgd.9b01035