Search Results - "Shi, D.N."

Structure and magnetostriction in (Tb0.2Pr0.8) Dy1Fe1.93 Laves compounds synthesised by high-pressure annealing by Zhang, G.B., Liu, Y.D., Kan, C.X., Shi, Y.G., Shi, D.N.

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Effects of Co substitution for Fe on the structural and magnetostrictive properties of melt-spun Tb 0.2 Nd 0.8 Fe 1.9 ribbons by Shi, Y.G., Wang, L., Zheng, W.G., Chen, Z.Y., Shi, D.N.

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Variation of magnetism by defects and impurities in two-dimensional magnetic materials based on spin spiral method: A case of δ-(Ga, Mn)As by Liu, B.J., Huang, C., Jiang, L.Z., Pan, Y.F., Fan, J.Y., Shi, D.N., Ma, C.L., Zhu, Y.

“…There is still no effective solution of first-principles calculations to the critical question of how defects and impurities affect magnetism, especially when…”
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Structure and magnetostriction in (Tb0.2Pr0.8)xDy1-xFe1.93 Laves compounds synthesised by high-pressure annealing by Zhang, G.B., Liu, Y.D., Kan, C.X., Shi, Y.G., Shi, D.N.

“…[Display omitted] •A series of new high-Pr content Laves compounds was synthesised.•Structural transition from tetragonal to rhombohedral was observed.•Large…”
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Magnetocaloric effect in Nd(Co0.8Fe0.2)2 Laves compound with wide operating temperature by Zheng, W.G., Cui, Y., Chen, F.H., Shi, Y.G., Shi, D.N.

“…•The TC of NdCo2 was tuned to 263 K with 20 at % of Fe substitution for Co.•The hysteresis loss in Nd(Co0.8Fe0.2)2 can almost be negligible.•The operating…”
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Large low-field magnetostriction in Tb0.15Ho0.85−xNdxFe2 Laves compounds by Cui, Y., Liu, Y.D., Ji, Y.D., Shi, Y.G., Shi, D.N.

“…[Display omitted] •The solubility limitation of Nd in rare-earth sublattice is up to 30 at. %.•Large linear magnetostriction 278 ppm at 1 kOe was obtained at…”
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Structure and magnetic properties of melt-spun Tb 0.2 Nd 0.8 (Fe 0.8 Co 0.2 ) 1.9 compound by Chen, Z.Y., Shi, Y.G., Wang, L., Pan, Q., Li, H.F., Shi, D.N.

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Effects of Co substitution for Fe on the structural and magnetostrictive properties of melt-spun Tb0.2Nd0.8Fe1.9 ribbons by Shi, Y.G., Wang, L., Zheng, W.G., Chen, Z.Y., Shi, D.N.

“…•High-Nd content Tb0.2Nd0.8(Fe1−xCox)1.9 Laves ribbons were fabricated.•Tb0.2Nd0.8Fe1.9 ribbons consists of Laves phase and a minor of rare-earth.•Almost…”
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Complex magnetism of Mn-based Pnma ternary alloys: Three exchange interactions induced by the position of Mn atoms by Zhou, X.G., Shi, Y.G., Zhu, Y., Shi, D.N.

“…Density functional theory was used to study the relationship between magnetism and structure of Mn-based Pnma ternary alloys (MMnX). The magnetic states in…”
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Structure and magnetic properties of melt-spun Tb0.2Nd0.8(Fe0.8Co0.2)1.9 compound by Chen, Z.Y., Shi, Y.G., Wang, L., Pan, Q., Li, H.F., Shi, D.N.

“…High-Nd content Tb0.2Nd0.8(Fe0.8Co0.2)1.9 cubic Laves compound which could not be prepared by annealing its as-cast ingot was successfully fabricated by…”
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Enhancement of ferromagnetism in δ-(Zn,Mn,Li)Se by shape deformation: Based on Zener’s double exchange by Pan, Y., Zhu, Y., Shi, D.N., Wei, X.Y., Ma, C.L., Zhang, K.C.

“…•This paper offers one method to modulate the electronic structure of DMS.•The shape deformation do enhance the exchange energy in δ-(Zn,Mn,Li)Se.•The…”
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Long range ferromagnetism in (Zn, Mn, Li)Se with competition between double exchange and p–d exchange by Zhu, Y., Liu, T., Zhang, X.Y., Pan, Y.F., Wei, X.Y., Ma, C.L., Shi, D.N., Fan, J.Y.

“…In this paper, we elucidate the mechanism for Li co-dopant induced enhancement of the ferromagnetism in 2×2×2 and 3×3×3 cubic (Zn, Mn)Se using density…”
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Magnetostrictive properties of Tb (Pr0.5Nd0.5)1−Fe1.93 cubic Laves alloys by Shi, Y.G., Zhou, X.G., Hu, C.C., Shi, D.N., Lv, L.Y., Tang, S.L.

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Shape deformation induced enhancement of ferromagnetism in δ-(Ga, Mn)As by Zhu, Y., Ma, C.L., Shi, D.N., Zhang, K.C.

“…•Shape deformation do enhance the exchange energy of δ-(Ga,Mn)As•We pay attention to the way increasing exchange energy•Tc is gotten comparing to experimental…”
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Competition between Zener's double exchange and p–d exchange in δ-(Zn, Mn, Li)Se with shape deformation: LDA+U calculations by Pan, Y., Liu, T., Wei, X.Y., Zhu, Y., Shi, D.N., Ma, C.L., Zhang, K.C., Yang, Z.Q.

“…By local-density approximation plus U (LDA+U) calculations, diluted magnetic semiconductors (DMS) δ-(Zn, Mn, Li)Se are dominated by Zener's p–d exchange, which…”
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Microstructure and magnetostriction of PrFe1.93Zr0.02 nanocrystalline synthesized under high pressure by Hu, C.C., Shi, Y.G., Chen, Z.Y., Shi, D.N., Chen, L.Q., Kan, C.X.

“…•PrFe1.93Zr0.02 bulk nanocrystallines were synthesized under different pressures.•Grain refinement was realized in PrFe1.93Zr0.02 alloy.•A large linear…”
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Strong ferromagnetism of two-dimensional δ–(Zn,Cr)S with shape deformation in both PBE and LDA+U calculations by Li, X.Y., Zhu, Y., Pan, Y.F., Li, J.B., Wang, C.S., Shi, D.N., Wei, X.Y., Zhang, K.C., Ma, C.L.

“…With density functional calculations, the enhancement of magnetic exchange energy (MEE) of two-dimensional (2-d) diluted magnetic semiconductor (DMS)…”
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Structure and magnetostriction of Ho 1 − x Pr x Fe 1.9 alloys by Shi, Y.G., Zhai, L., Wang, Y., Fan, J.Y., Shi, D.N., Tang, S.L., Du, Y.W.

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SU(4) Theory for Spin Systems with Orbital Degeneracy by Li, Y. Q., Ma, Michael, Shi, D. N., Zhang, F. C.

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Synthesis, magnetic properties and magnetostriction of Pr0.5Nd0.5(Fe1-xCox)1.9 cubic Laves alloys by Hu, C.C., Shi, Y.G., Chen, Z.Y., Shi, D.N., Tang, S.L., Du, Y.W.

“…•Pr0.5Nd0.5(Fe1−xCox)1.9 cubic Laves alloys were synthesized by high pressure annealing.•The saturation magnetization increases to a maximum of 103emu/g at…”
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