Abstract
A β titanium alloy of Ti–15Mo–5Zr–3Al (KS15-5-3) is presented as a new material for experimental apparatus to be used at extreme conditions of high pressure, low temperature, and high magnetic field. The material has a tensile strength of 1760 MPa at room temperature and is found to be a Pauli paramagnet with nearly temperature-independent magnetization M/B∼3×10−2 (mJ/T g)/T, except for T<TC∼2.5 K. Using this material, we developed a high-pressure clamp cell for measuring the magnetization in a commercial superconducting quantum interference device magnetometer (Quantum Design MPMS2). This pressure cell can be used in the pressure range 0<P<1.0 GPa and temperatures T>TC. To illustrate the performance of this cell, we present experimental results on a one-dimensional alternating bond antiferromagnet with S=1:Ni(333-tet)(μ-NO2)(ClO4) [333-tet denotes N,N′-bis(3-aminopropyl)-1,3-propanediamine].
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