Search Results - "Nayak, Ajaya K"

Magnetic antiskyrmions above room temperature in tetragonal Heusler materials by Nayak, Ajaya K., Kumar, Vivek, Ma, Tianping, Werner, Peter, Pippel, Eckhard, Sahoo, Roshnee, Damay, Franoise, Rößler, Ulrich K., Felser, Claudia, Parkin, Stuart S. P.

“…Antiskyrmions, in which the magnetization rotates both as a transverse helix and as a cycloid, are found in acentric tetragonal Heusler compounds over a wide…”
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Extremely large magnetoresistance and ultrahigh mobility in the topological Weyl semimetal candidate NbP by Shekhar, Chandra, Nayak, Ajaya K., Sun, Yan, Schmidt, Marcus, Nicklas, Michael, Leermakers, Inge, Zeitler, Uli, Skourski, Yurii, Wosnitza, Jochen, Liu, Zhongkai, Chen, Yulin, Schnelle, Walter, Borrmann, Horst, Grin, Yuri, Felser, Claudia, Yan, Binghai

“…Weyl semimetals are predicted to exhibit a host of unusual transport properties. NbP, a system predicted to share characteristics of both normal and Weyl…”
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Heusler 4.0: Tunable Materials by Wollmann, Lukas, Nayak, Ajaya K, Parkin, Stuart S.P, Felser, Claudia

“…Heusler compounds are a large family of binary, ternary, and quaternary compounds that exhibit a wide range of properties of both fundamental and potential…”
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Large anomalous Hall effect driven by a nonvanishing Berry curvature in the noncolinear antiferromagnet Mn3Ge by Nayak, Ajaya K, Fischer, Julia Erika, Sun, Yan, Yan, Binghai, Karel, Julie, Komarek, Alexander C, Shekhar, Chandra, Kumar, Nitesh, Schnelle, Walter, Kübler, Jürgen, Felser, Claudia, Parkin, Stuart S P

“…It is well established that the anomalous Hall effect displayed by a ferromagnet scales with its magnetization. Therefore, an antiferromagnet that has no net…”
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Robust Antiskyrmion Phase in Bulk Tetragonal Mn–Pt(Pd)–Sn Heusler System Probed by Magnetic Entropy Change and AC‐Susceptibility Measurements by Jamaluddin, Sk, Manna, Subhendu K., Giri, Bimalesh, Madduri, P. V. Prakash, Parkin, Stuart S. P., Nayak, Ajaya K.

“…Magnetic skyrmions, topologically protected chiral spin textures having potential applications in data storage, are stabilized in certain magnetic materials…”
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Compensated Ferrimagnetic Tetragonal Heusler Thin Films for Antiferromagnetic Spintronics by Sahoo, Roshnee, Wollmann, Lukas, Selle, Susanne, Höche, Thomas, Ernst, Benedikt, Kalache, Adel, Shekhar, Chandra, Kumar, Nitesh, Chadov, Stanislav, Felser, Claudia, Parkin, Stuart S. P., Nayak, Ajaya K.

“…Fully compensated ferrimagnets with tetragonal crystal structure have the potential for large spin‐polarization and strong out‐of‐plane magnetic anisotropy;…”
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Tunable room temperature magnetic skyrmions in centrosymmetric kagome magnet Mn4Ga2Sn by Chakrabartty, Dola, Jamaluddin, Sk, Manna, Subhendu K., Nayak, Ajaya K.

“…The successful realization of skyrmion-based spintronic devices depends on the easy manipulation of underlying magnetic interactions in the skyrmion-hosting…”
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Ultrahigh mobility and nonsaturating magnetoresistance in Heusler topological insulators by Shekhar, Chandra, Ouardi, Siham, Nayak, Ajaya K., Fecher, Gerhard H., Schnelle, Walter, Felser, Claudia

“…We report the transport properties of the proposed Heusler topological insulators YPtSb, LaPtBi, and LuPdSb. All compounds show ultrahigh hole mobility with…”
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Higher order exchange driven noncoplanar magnetic state and large anomalous Hall effects in electron doped kagome magnet Mn3Sn by Singh, Charanpreet, Jamaluddin, Sk, Pradhan, Subhadip, Nandy, Ashis K., Tokunaga, Masashi, Avdeev, Maxim, Nayak, Ajaya K.

“…Owing to geometrical frustration in the kagome lattice, Mn 3 Sn displays a 120° in-plane triangular antiferromagnetic order, a manifestation of exchange…”
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Half-metallic compensated ferrimagnetism with a tunable compensation point over a wide temperature range in the Mn-Fe-V-Al Heusler system by Stinshoff, Rolf, Fecher, Gerhard H., Chadov, Stanislav, Nayak, Ajaya K., Balke, Benjamin, Ouardi, Siham, Nakamura, Tetsuya, Felser, Claudia

“…The cubic Heusler compound Mn1.5FeV0.5Al with the L21 Heusler structure is the first fully compensated half-metallic ferrimagnet with 24 valence electrons. The…”
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Design of compensated ferrimagnetic Heusler alloys for giant tunable exchange bias by Nayak, Ajaya K., Nicklas, Michael, Chadov, Stanislav, Khuntia, Panchanana, Shekhar, Chandra, Kalache, Adel, Baenitz, Michael, Skourski, Yurii, Guduru, Veerendra K., Puri, Alessandro, Zeitler, Uli, Coey, J. M. D., Felser, Claudia

“…An approach to design compensated ferrimagnetic Heusler alloys is established. A small lack of compensation produces giant exchange bias and large coercivity…”
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Magnetic compensation-induced sign reversal of exchange bias in a multi-glass perovskite SmFeO3 by De, Chandan, Nayak, Ajaya K., Nicklas, Michael, Sundaresan, A.

“…We report an unusual sign reversal of exchange bias (EB) across a magnetic compensation point in an orthorhombic perovskite SmFeO3. A conventional negative EB…”
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Current-induced nucleation, manipulation, and reversible switching of antiskyrmioniums by Panigrahy, Sujit Kumar, Singh, Charanpreet, Nayak, Ajaya K.

“…Magnetic skyrmioniums are unique spin structures that can be viewed as two skyrmions with an opposite skyrmion number providing a zero topological charge…”
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Preface for the special issue on ICMAGMA-2018 of the virtual issue consisting of articles from J. Magn. Magn. Mater. and Physica B by Arout Chelvane, J., Saravanan, P., Nayak, Ajaya K., Kleemann, Wolfgang

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Large entropy change associated with the elastocaloric effect in polycrystalline Ni-Mn-Sb-Co magnetic shape memory alloys by Millán-Solsona, Rubén, Stern-Taulats, Enric, Vives, Eduard, Planes, Antoni, Sharma, Jyoti, Nayak, Ajaya K., Suresh, K. G., Mañosa, Lluís

“…We report on compressive strain measurements in polycrystalline magnetic shape memory alloys aimed at determining the entropy change associated with their…”
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Tetragonal Heusler Compounds for Spintronics by Felser, Claudia, Alijani, Vajiheh, Winterlik, Jürgen, Chadov, Stanislav, Nayak, Ajaya K.

“…With respect to the requirements of spin torque transfer (STT) materials, one the most promising materials families are the tunable tetragonal Heusler…”
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Design of compensated ferrimagnetic Heusler alloys for giant tunable exchange bias by Nayak, Ajaya K., Nicklas, Michael, Chadov, Stanislav, Khuntia, Panchanana, Shekhar, Chandra, Kalache, Adel, Baenitz, Michael, Skourski, Yurii, Guduru, Veerendra K., Puri, Alessandro, Zeitler, Uli, Coey, J. M. D., Felser, Claudia

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Structural, magnetic, magnetocaloric and magnetotransport properties in Ge doped Ni–Mn–Sb Heusler alloys by Sahoo, Roshnee, Nayak, Ajaya K., Suresh, K.G., Nigam, A.K.

“…The effect of Ge substitution on the magnetic, magnetocaloric and transport properties of Ni45Co5Mn38Sb12−xGex (x=0–3) has been investigated. The decrease in…”
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Irreversibility of field-induced magnetostructural transition in NiCoMnSb shape memory alloy revealed by magnetization, transport and heat capacity studies by Nayak, Ajaya K., Suresh, K. G., Nigam, A. K.

“…The effects of magnetic field on the martensitic transition have been studied in Ni 45 Co 5 Mn 38 Sb 12 . We find a large field-induced irreversibility in this…”
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Decoupling topological antiskyrmion and non-topological magnetic phases in D 2 d symmetric Mn–Ni–Ga single crystalline device by Jamaluddin, Sk, Sen, Subir, Chakrabartty, Dola, Nayak, Ajaya K.

“…Here, we present the finding of two types of distinct Hall signals in the single crystalline Hall devices of a D 2 d symmetric antiskyrmion host Mn–Ni–Ga…”
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