X-Ray and Magnetization Studies of Cr-Modified<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Mn</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>Sb

Darnell, F. J.; Cloud, W. H.; Jarrett, H. S.

doi:10.1103/physrev.130.647

Cited by 108 publications

(37 citation statements)

References 18 publications

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“…The data obtained are listed in Tables 3 and 4, which show lattice constants, magnetic moments, and ¦E tot = E tot (FR) ¹ E tot (AF). The change in lattice constants a and c is consistent with experimental trends; 4,15) i.e., a increases (c decreases) in transitioning from FR to AF. However, note that the total energy of the FR state is less than that of the AF state for Mn 1.75 Co 0.25 Sb and Mn 1.75 Cr 0.25 Sb, respectively.…”

Section: Site Preference For M Atomssupporting

confidence: 74%

“…For M = Cr or Co, the change of lattice constants (a and c) is consistent with the experimental trends; 4,15) i.e., a increases (c decreases) in transitioning from FR to AF. The magnetic moments obtained and the estimates for ¦E tot = E tot (FR) ¹ E tot (AF) are listed in Table 2.…”

Section: Site Preference For M Atomssupporting

confidence: 72%

“…15,16) Although using the coherent potential approximation (CPA) 17) may be appropriate to calculate the atomic disorder, it is not available to us. Therefore, we considered several superlattice models to resolve the problem of atomic disorder.…”

Section: Atomic Disorder In Mn 175 Co 025 Sbmentioning

confidence: 99%

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Site Preference and Stabilization of Antiferromagnetism in M-Substituted Mn2−xMxSb (M = Ti, Cr, Co, or Cu)

et al. 2015

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We applied first-principles total-energy calculations to several compounds Mn 2¹x M x Sb (M = Ti, Cr, Co, or Cu) to calculate the total energy. The results indicate that the Ti and Cu (Cr and Co) atoms prefer the Mn(II) site to the Mn(I) site [Mn(I) to Mn(II)]. These results are consistent with experimental observations. The antiferromagnetism (AF) [ferrimagnetism (FR)] is more stable than FR (AF) upon decreasing (increasing) the distance between the Mn(II) and Sb atoms in the z direction in all Mn 2¹x M x Sb systems. This result indicates that the environment around the Mn atom plays a very important role in the stabilization of the AF state, as is the case with Mn 2 Sb 1¹x As x systems. For Mn 2¹x Co x Sb systems, the atomic disorder between the Mn and Co atoms is insensitive to the relative stability of two magnetic phases AF and FR.

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Section: Site Preference For M Atomssupporting

confidence: 74%

Section: Site Preference For M Atomssupporting

confidence: 72%

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Site Preference and Stabilization of Antiferromagnetism in M-Substituted Mn2−xMxSb (M = Ti, Cr, Co, or Cu)

et al. 2015

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“…At the phase transition there is a discontinuous decrease of the axis and increase of axis. The transition takes place at the critical value of 6.53 Å corresponding to the axis, for every Cr content [11]. Kittel has shown that Fig.…”

Section: Magnetic Measurementsmentioning

confidence: 99%

Magnetic cluster developement in In1−x MnxSb semiconductor alloys

et al. 2010

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Abstract:X-ray Diffraction (XRD), X-ray Photoelectron Spectroscopy (XPS), Transmission Electron Microscopy (TEM) and magnetic measurements as a function of applied magnetic field and temperature for In 1− Mn Sb (0.05 0.2) system are reported. Magnetic measurements performed at high and small magnetic field in ZFC and FC indicate the coexistence of ferromagnetic In 1− Mn Sb solid solution and two types of magnetic cluster: ferromagnetic MnSb and ferrimagnetic Mn 2 Sb. XPS valence band and Mn 2p core level spectra have confirmed the presence of MnSb and Mn 2 Sb phases. TEM images show some manganese antimonide phase microinclusions with dimension between (30-40) nm.

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“…Since the discovery of ferromagnetic iron-free manganese alloys by Heusler [1] these phases were frequently investigated by various authors, [1][2][3][4][5][6][7][8] especially for their superior ferromagnetic and magneto-optical properties. Although several studies on phase composition, crystal structure, and magnetic properties of MnSb and Mn 2 Sb can be found in the literature, both at normal [9][10][11][12][13] as well as at high pressures, [14][15][16][17] only a few experimental studies were published on the whole binary Mn-Sb system since the first investigation by Williams.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Binary Mn-Sb Phase Diagram

Kainzbauer

Richter

Ipser

2016

J. Phase Equilib. Diffus.

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The binary manganese-antimony (Mn-Sb) phase diagram was reinvestigated in the whole composition range using powder-XRD, DTA and SEM-EDX. The phase boundaries and melting temperatures of the ferromagnetic phases MnSb and Mn 2 Sb were modified by taking into account the new experimental data. Most of the reaction temperatures could be verified within a range of ±10°C. Nevertheless, a few temperatures had to be revised, such as the eutectic reaction L fi b-Mn + Mn 2 Sb at 893°C and the eutectoid reaction b-Mn fi a-Mn + Mn 2 Sb at 718°C. The previously reported peritectic melting behavior of MnSb could be confirmed. The variation of the lattice parameters of the NiAs-(B8 1 ) type MnSb phase with composition was determined. A revised version of the of the Mn-Sb phase diagram is presented.

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X-Ray and Magnetization Studies of Cr-ModifiedMn2Sb

Cited by 108 publications

References 18 publications

Site Preference and Stabilization of Antiferromagnetism in M-Substituted Mn<sub>2−</sub><i><sub>x</sub></i>M<i><sub>x</sub></i>Sb (M = Ti, Cr, Co, or Cu)

Site Preference and Stabilization of Antiferromagnetism in M-Substituted Mn<sub>2−</sub><i><sub>x</sub></i>M<i><sub>x</sub></i>Sb (M = Ti, Cr, Co, or Cu)

Magnetic cluster developement in In1−x MnxSb semiconductor alloys

Experimental Investigation of the Binary Mn-Sb Phase Diagram

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X-Ray and Magnetization Studies of Cr-ModifiedMn2Sb

Cited by 108 publications

References 18 publications

Site Preference and Stabilization of Antiferromagnetism in M-Substituted Mn<sub>2&minus;</sub><i><sub>x</sub></i>M<i><sub>x</sub></i>Sb (M = Ti, Cr, Co, or Cu)

Site Preference and Stabilization of Antiferromagnetism in M-Substituted Mn<sub>2&minus;</sub><i><sub>x</sub></i>M<i><sub>x</sub></i>Sb (M = Ti, Cr, Co, or Cu)

Magnetic cluster developement in In1−x MnxSb semiconductor alloys

Experimental Investigation of the Binary Mn-Sb Phase Diagram

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Site Preference and Stabilization of Antiferromagnetism in M-Substituted Mn<sub>2−</sub><i><sub>x</sub></i>M<i><sub>x</sub></i>Sb (M = Ti, Cr, Co, or Cu)

Site Preference and Stabilization of Antiferromagnetism in M-Substituted Mn<sub>2−</sub><i><sub>x</sub></i>M<i><sub>x</sub></i>Sb (M = Ti, Cr, Co, or Cu)