S. J. Sebastian

activity

20212026

most citedQuasi-one-dimensional magnetism in the spin-

\frac{1}{2}

antiferromagnet BaNa

_{2}

Cu(VO

_{4}

)

_{2}

27 citations · 63 across the 11 of their papers we have counts for

collaborators

11 papers

cond-mat.mtrl-sci2026

Ground-state properties of the $S = 3/2$ anisotropic triangular lattice antiferromagnet Na $_{3}$ Cr(PO $_{4}$ ) $_{2}$

A. Magar, Sebin J. Sebastian, Q. -P. Ding +4

We report the crystal structure and magnetic properties of a $S = 3/2$ anisotropic triangular lattice compound Na $_{3}$ Cr(PO $_{4}$ ) $_{2}$ employing single-crystal and powder x-ray diffract…

cond-mat.mtrl-sci2025

Static and dynamic properties of the frustrated spin-1/2 depleted-kagome antiferromagnet Cu $_{7}$ (TeO $_{3}$ ) $_{2}$ (SO $_{4}$ ) $_{2}$ (OH) $_{6}$

K. U. Akshay, Sebin J. Sebastian, Q. -P. Ding +2

The structural and magnetic properties of the two-dimensional spin- $1/2$ depleted-kagome compound Cu $_{7}$ (TeO $_{3}$ ) $_{2}$ (SO $_{4}$ ) $_{2}$ (OH) $_{6}$ are investigated using x-ray diffraction,…

cond-mat.mtrl-sci2025

Frustration driven magnetic correlations in the spin- $5/2$ triangular lattice antiferromagnet RbFe(HPO $_{3}$ ) $_{2}$

V. Nagpal, Sebin J. Sebastian, Surya P. Patra +4

A detailed study of the structural and magnetic properties of a spin- $5/2$ triangular lattice antiferromagnet RbFe(HPO $_{3}$ ) $_{2}$ is presented using x-ray diffraction, magnetizat…

cond-mat.mtrl-sci2025

Inhomogeneous dynamic state in the double trillium lattice antiferromagnet KBaFe $_{2}$ (PO $_{4}$ ) $_{3}$

S. J. Sebastian, S. S. Islam, R. Kolay +11

The three-dimensional (3D) magnet KBaFe $_{2}$ (PO $_{4}$ ) $_{3}$ hosts a double-trillium lattice of Fe $^{3 +}$ (spin, $S = 5/2$ ) ions offering a prototypical platform to study the frustration…

cond-mat.str-el2025★ 5 cited

Short-range Spin Freezing State in the Double Trillium Lattice Spin-Liquid Candidate KSrFe $_{2}$ (PO $_{4}$ ) $_{3}$ Revealed via $^{31}$ P NMR

Sebin J. Sebastian, Q. -P. Ding, A. A. Tsirlin +2

A comprehensive $^{31}$ P nuclear magnetic resonance (NMR) study, combined with thermodynamic measurements and first-principle band-structure calculations, has been conducted to exp…

cond-mat.mtrl-sci2025

Spin fluctuations, absence of magnetic order, and crystal electric field studies in the Yb $^{3 +}$ -based triangular lattice antiferromagnet Rb $_{3}$ Yb(VO $_{4}$ ) $_{2}$

Sebin J. Sebastian, R. Kolay, Abhidev. B +3

We report a comprehensive experimental investigation of the structural, thermodynamic, static, and dynamic properties of a triangular lattice antiferromagnet Rb $_{3}$ Yb(VO $_{4}$ ) $_{2}$ .…

cond-mat.str-el2023

Disordered ground state in the spin-orbit coupled $J_{eff} = 1/2$ cobalt-based metal-organic framework magnet with orthogonal spin dimers

Sebin J. Sebastian, S. Mohanty, A. Nath +4

We present the magnetic properties of a strongly spin-orbit coupled quantum dimer magnet based on Co $^{2 +}$ . The metal-organic framework compound Co $_{2}$ (BDC) $_{2}$ (DPTTZ) $_{2}$ $\cdot$ D…

cond-mat.str-el2023★ 20 cited

Double magnetic transitions and exotic field induced phase in the triangular lattice antiferromagnets Sr $_{3}$ Co(Nb,Ta) $_{2}$ O $_{9}$

Surender Lal, Sebin J Sebastian, S. S. Islam +4

Two triangular lattice antiferromagnets Sr $_{3}$ Co(Nb,Ta) $_{2}$ O $_{9}$ with an effective $j_{eff} = 1/2$ of Co $^{2 +}$ are synthesized and their magnetic properties are investigated via…

cond-mat.str-el2022★ 10 cited

Static and dynamic magnetic properties of the spin-5/2 triangle lattice antiferromagnet Na3Fe(PO4)2 studied by 31P NMR

Devi V. Ambika, Qing-Ping Ding, Sebin J. Sebastian +2

$^{31}$ P nuclear magnetic resonance (NMR) measurements have been carried out to investigate the magnetic properties and spin dynamics of Fe $^{3 +}$ ( $S$ = 5/2) spins in the two-dime…

cond-mat.mtrl-sci2022★ 1 cited

Collinear antiferromagnetic order in spin- $\frac{5}{2}$ triangle lattice antiferromagnet Na $_{3}$ Fe(PO $_{4}$ ) $_{2}$

Sebin J. Sebastian, A. Jain, S. M. Yusuf +2

We set forth the structural and magnetic properties of the frustrated spin- $5/2$ triangle lattice antiferromagnet Na $_{3}$ Fe(PO $_{4}$ ) $_{2}$ examined via x-ray diffraction, magnetization…

cond-mat.mtrl-sci2021★ 27 cited

Quasi-one-dimensional magnetism in the spin- $\frac{1}{2}$ antiferromagnet BaNa $_{2}$ Cu(VO $_{4}$ ) $_{2}$

Sebin J. Sebastian, K. Somesh, M. Nandi +8

We report synthesis and magnetic properties of quasi-one-dimensional spin- $\frac{1}{2}$ Heisenberg antiferromagnetic chain compound BaNa $_{2}$ Cu(VO $_{4}$ ) $_{2}$ . This orthovanadate has a…

Ground-state properties of the S=3/2 anisotropic triangular lattice antiferromagnet Na3​Cr(PO4​)2​

Static and dynamic properties of the frustrated spin-1/2 depleted-kagome antiferromagnet Cu7​(TeO3​)2​(SO4​)2​(OH)6​

Frustration driven magnetic correlations in the spin-5/2 triangular lattice antiferromagnet RbFe(HPO3​)2​

Inhomogeneous dynamic state in the double trillium lattice antiferromagnet KBaFe2​(PO4​)3​

Short-range Spin Freezing State in the Double Trillium Lattice Spin-Liquid Candidate KSrFe2​(PO4​)3​ Revealed via 31P NMR

Spin fluctuations, absence of magnetic order, and crystal electric field studies in the Yb3+-based triangular lattice antiferromagnet Rb3​Yb(VO4​)2​

Disordered ground state in the spin-orbit coupled Jeff​=1/2 cobalt-based metal-organic framework magnet with orthogonal spin dimers

Double magnetic transitions and exotic field induced phase in the triangular lattice antiferromagnets Sr3​Co(Nb,Ta)2​O9​

Static and dynamic magnetic properties of the spin-5/2 triangle lattice antiferromagnet Na3Fe(PO4)2 studied by 31P NMR

Collinear antiferromagnetic order in spin-25​ triangle lattice antiferromagnet Na3​Fe(PO4​)2​

Quasi-one-dimensional magnetism in the spin-21​ antiferromagnet BaNa2​Cu(VO4​)2​

Ground-state properties of the $S = 3/2$ anisotropic triangular lattice antiferromagnet Na $_{3}$ Cr(PO $_{4}$ ) $_{2}$

Static and dynamic properties of the frustrated spin-1/2 depleted-kagome antiferromagnet Cu $_{7}$ (TeO $_{3}$ ) $_{2}$ (SO $_{4}$ ) $_{2}$ (OH) $_{6}$

Frustration driven magnetic correlations in the spin- $5/2$ triangular lattice antiferromagnet RbFe(HPO $_{3}$ ) $_{2}$

Inhomogeneous dynamic state in the double trillium lattice antiferromagnet KBaFe $_{2}$ (PO $_{4}$ ) $_{3}$

Short-range Spin Freezing State in the Double Trillium Lattice Spin-Liquid Candidate KSrFe $_{2}$ (PO $_{4}$ ) $_{3}$ Revealed via $^{31}$ P NMR

Spin fluctuations, absence of magnetic order, and crystal electric field studies in the Yb $^{3 +}$ -based triangular lattice antiferromagnet Rb $_{3}$ Yb(VO $_{4}$ ) $_{2}$

Disordered ground state in the spin-orbit coupled $J_{eff} = 1/2$ cobalt-based metal-organic framework magnet with orthogonal spin dimers

Double magnetic transitions and exotic field induced phase in the triangular lattice antiferromagnets Sr $_{3}$ Co(Nb,Ta) $_{2}$ O $_{9}$

Collinear antiferromagnetic order in spin- $\frac{5}{2}$ triangle lattice antiferromagnet Na $_{3}$ Fe(PO $_{4}$ ) $_{2}$

Quasi-one-dimensional magnetism in the spin- $\frac{1}{2}$ antiferromagnet BaNa $_{2}$ Cu(VO $_{4}$ ) $_{2}$